diff --git a/.github/actions/build-apple-slices-hermes/action.yml b/.github/actions/build-apple-slices-hermes/action.yml
deleted file mode 100644
index bc66de6a21b2..000000000000
--- a/.github/actions/build-apple-slices-hermes/action.yml
+++ /dev/null
@@ -1,103 +0,0 @@
-name: build-apple-slices-hermes
-description: This action builds hermesc for Apple platforms
-inputs:
-  hermes-version:
-    required: true
-    description: The version of Hermes
-  react-native-version:
-    required: true
-    description: The version of Hermes
-  slice:
-    required: true
-    description: The slice of hermes you want to build. It could be iphone, iphonesimulator, macos, catalyst, appletvos, appletvsimulator, xros, or xrossimulator
-  flavor:
-    required: true
-    description: The flavor we want to build. It can be Debug or Release
-runs:
-  using: composite
-  steps:
-    - name: Setup xcode
-      uses: ./.github/actions/setup-xcode
-    - name: Restore Hermes workspace
-      uses: ./.github/actions/restore-hermes-workspace
-    - name: Restore HermesC Artifact
-      uses: actions/download-artifact@v4
-      with:
-        name: hermesc-apple
-        path: ./packages/react-native/sdks/hermes/build_host_hermesc
-    - name: Restore Slice From Cache
-      id: restore-slice-cache
-      uses: actions/cache/restore@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/build_${{ inputs.slice }}_${{ inputs.flavor }}
-        key: v6-hermes-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashfiles('packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}-${{ inputs.slice }}-${{ inputs.flavor }}
-    - name: Build the Hermes ${{ inputs.slice }} frameworks
-      shell: bash
-      run: |
-        cd ./packages/react-native/sdks/hermes || exit 1
-        SLICE=${{ inputs.slice }}
-        FLAVOR=${{ inputs.flavor }}
-        FINAL_PATH=build_"$SLICE"_"$FLAVOR"
-        echo "Final path for this slice is: $FINAL_PATH"
-
-        if [[ -d "$FINAL_PATH" ]]; then
-          echo "[HERMES] Skipping! Found the requested slice at $FINAL_PATH".
-          exit 0
-        fi
-
-        if [[ "$ARTIFACTS_EXIST" ]]; then
-          echo "[HERMES] Skipping! Artifacts exists already."
-          exit 0
-        fi
-
-        export RELEASE_VERSION=${{ inputs.react-native-version }}
-
-        # HermesC is used to build hermes, so it has to be executable
-        chmod +x ./build_host_hermesc/bin/hermesc
-
-        if [[ "$SLICE" == "macosx" ]]; then
-          echo "[HERMES] Building Hermes for MacOS"
-
-          chmod +x ./utils/build-mac-framework.sh
-          BUILD_TYPE="${{ inputs.flavor }}" ./utils/build-mac-framework.sh
-        else
-          echo "[HERMES] Building Hermes for iOS: $SLICE"
-
-          chmod +x ./utils/build-ios-framework.sh
-          BUILD_TYPE="${{ inputs.flavor }}" ./utils/build-ios-framework.sh "$SLICE"
-        fi
-
-        echo "Moving from build_$SLICE to $FINAL_PATH"
-        mv build_"$SLICE" "$FINAL_PATH"
-
-        # check whether everything is there
-        if [[ -d "$FINAL_PATH/lib/hermesvm.framework" ]]; then
-          echo "Successfully built hermesvm.framework for $SLICE in $FLAVOR"
-        else
-          echo "Failed to built hermesvm.framework for $SLICE in $FLAVOR"
-          exit 1
-        fi
-
-        if [[ -d "$FINAL_PATH/lib/hermesvm.framework.dSYM" ]]; then
-          echo "Successfully built hermesvm.framework.dSYM for $SLICE in $FLAVOR"
-        else
-          echo "Failed to built hermesvm.framework.dSYM for $SLICE in $FLAVOR"
-          echo "Please try again"
-          exit 1
-        fi
-    - name: Compress slices to preserve Symlinks
-      shell: bash
-      run: |
-        cd ./packages/react-native/sdks/hermes
-        tar -czv -f build_${{ matrix.slice }}_${{ matrix.flavor }}.tar.gz build_${{ matrix.slice }}_${{ matrix.flavor }}
-    - name: Upload Artifact for Slice (${{ inputs.slice }}, ${{ inputs.flavor }}}
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: slice-${{ inputs.slice }}-${{ inputs.flavor }}
-        path: ./packages/react-native/sdks/hermes/build_${{ inputs.slice }}_${{ inputs.flavor }}.tar.gz
-    - name: Save slice cache
-      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }} # To avoid that the cache explode.
-      uses: actions/cache/save@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/build_${{ inputs.slice }}_${{ inputs.flavor }}
-        key: v6-hermes-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashfiles('packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}-${{ inputs.SLICE }}-${{ inputs.FLAVOR }}
diff --git a/.github/actions/build-hermes-macos/action.yml b/.github/actions/build-hermes-macos/action.yml
deleted file mode 100644
index 0f3a42a367f7..000000000000
--- a/.github/actions/build-hermes-macos/action.yml
+++ /dev/null
@@ -1,227 +0,0 @@
-name: build-hermes-macos
-description: This action builds hermesc for Apple platforms
-inputs:
-  hermes-version:
-    required: true
-    description: The version of Hermes
-  react-native-version:
-    required: true
-    description: The version of React Native
-  flavor:
-    required: true
-    description: The flavor we want to build. It can be Debug or Release
-runs:
-  using: composite
-  steps:
-    - name: Setup xcode
-      uses: ./.github/actions/setup-xcode
-    - name: Restore Hermes workspace
-      uses: ./.github/actions/restore-hermes-workspace
-    - name: Restore Cached Artifacts
-      uses: actions/cache/restore@v4
-      with:
-        key: v4-hermes-artifacts-${{ inputs.flavor }}-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashFiles('./packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}
-        path: |
-          /tmp/hermes/osx-bin/${{ inputs.flavor }}
-          /tmp/hermes/dSYM/${{ inputs.flavor }}
-          /tmp/hermes/hermes-runtime-darwin/hermes-ios-${{ inputs.flavor }}.tar.gz
-    - name: Check if the required artifacts already exist
-      id: check_if_apple_artifacts_are_there
-      shell: bash
-      run: |
-        FLAVOR="${{ inputs.flavor }}"
-        echo "Flavor is $FLAVOR"
-        OSX_BIN="/tmp/hermes/osx-bin/$FLAVOR"
-        DSYM="/tmp/hermes/dSYM/$FLAVOR"
-        HERMES="/tmp/hermes/hermes-runtime-darwin/hermes-ios-$FLAVOR.tar.gz"
-
-        if [[ -d "$OSX_BIN" ]] && \
-            [[ -d "$DSYM" ]] && \
-            [[ -f "$HERMES" ]]; then
-
-          echo "Artifacts are there!"
-          echo "ARTIFACTS_EXIST=true" >> $GITHUB_ENV
-          echo "ARTIFACTS_EXIST=true" >> $GITHUB_OUTPUT
-        fi
-    - name: Setup node.js
-      uses: ./.github/actions/setup-node
-    - name: Yarn- Install Dependencies
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: ./.github/actions/yarn-install
-    - name: Slice cache macosx
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-macosx-${{ inputs.flavor }}
-    - name: Slice cache iphoneos
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-iphoneos-${{ inputs.flavor }}
-    - name: Slice cache iphonesimulator
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-iphonesimulator-${{ inputs.flavor }}
-    - name: Slice cache appletvos
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-appletvos-${{ inputs.flavor }}
-    - name: Slice cache appletvsimulator
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-appletvsimulator-${{ inputs.flavor }}
-    - name: Slice cache catalyst
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-catalyst-${{ inputs.flavor }}
-    - name: Slice cache xros
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-xros-${{ inputs.flavor }}
-    - name: Slice cache xrsimulator
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      uses: actions/download-artifact@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/
-        name: slice-xrsimulator-${{ inputs.flavor }}
-    - name: Unzip slices
-      shell: bash
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      run: |
-        cd ./packages/react-native/sdks/hermes
-        ls -l .
-        tar -xzv -f build_catalyst_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_iphoneos_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_iphonesimulator_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_appletvos_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_appletvsimulator_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_macosx_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_xros_${{ matrix.flavor }}.tar.gz
-        tar -xzv -f build_xrsimulator_${{ matrix.flavor }}.tar.gz
-    - name: Move back build folders
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      shell: bash
-      run: |
-        ls -l ./packages/react-native/sdks/hermes
-        cd ./packages/react-native/sdks/hermes || exit 1
-        mv build_macosx_${{ inputs.flavor }} build_macosx
-        mv build_iphoneos_${{ inputs.flavor }} build_iphoneos
-        mv build_iphonesimulator_${{ inputs.flavor }} build_iphonesimulator
-        mv build_appletvos_${{ inputs.flavor }} build_appletvos
-        mv build_appletvsimulator_${{ inputs.flavor }} build_appletvsimulator
-        mv build_catalyst_${{ inputs.flavor }} build_catalyst
-        mv build_xros_${{ inputs.flavor }} build_xros
-        mv build_xrsimulator_${{ inputs.flavor }} build_xrsimulator
-    - name: Prepare destroot folder
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      shell: bash
-      run: |
-        cd ./packages/react-native/sdks/hermes || exit 1
-        chmod +x ./utils/build-apple-framework.sh
-        . ./utils/build-apple-framework.sh
-        prepare_dest_root_for_ci
-    - name: Create fat framework for iOS
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      shell: bash
-      run: |
-        cd ./packages/react-native/sdks/hermes || exit 1
-        echo "[HERMES] Creating the universal framework"
-        chmod +x ./utils/build-ios-framework.sh
-        ./utils/build-ios-framework.sh build_framework
-
-        chmod +x ./destroot/bin/hermesc
-    - name: Package the Hermes Apple frameworks
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      shell: bash
-      run: |
-        BUILD_TYPE="${{ inputs.flavor }}"
-        echo "Packaging Hermes Apple frameworks for $BUILD_TYPE build type"
-
-        TARBALL_OUTPUT_DIR=$(mktemp -d /tmp/hermes-tarball-output-XXXXXXXX)
-
-        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
-
-        echo "Packaging Hermes Apple frameworks for $BUILD_TYPE build type"
-
-        TARBALL_OUTPUT_PATH=$(node ./packages/react-native/scripts/hermes/create-tarball.js \
-          --inputDir ./packages/react-native/sdks/hermes \
-          --buildType "$BUILD_TYPE" \
-          --outputDir $TARBALL_OUTPUT_DIR)
-
-        echo "Hermes tarball saved to $TARBALL_OUTPUT_PATH"
-
-        mkdir -p $HERMES_TARBALL_ARTIFACTS_DIR
-        cp $TARBALL_OUTPUT_PATH $HERMES_TARBALL_ARTIFACTS_DIR/.
-
-        mkdir -p /tmp/hermes/osx-bin/${{ inputs.flavor }}
-        cp ./packages/react-native/sdks/hermes/build_macosx/bin/* /tmp/hermes/osx-bin/${{ inputs.flavor }}
-        ls -lR /tmp/hermes/osx-bin/
-    - name: Create dSYM archive
-      if: ${{ steps.check_if_apple_artifacts_are_there.outputs.ARTIFACTS_EXIST != 'true' }}
-      shell: bash
-      run: |
-        FLAVOR=${{ inputs.flavor }}
-        WORKING_DIR="/tmp/hermes_tmp/dSYM/$FLAVOR"
-
-        mkdir -p "$WORKING_DIR/macosx"
-        mkdir -p "$WORKING_DIR/catalyst"
-        mkdir -p "$WORKING_DIR/iphoneos"
-        mkdir -p "$WORKING_DIR/iphonesimulator"
-        mkdir -p "$WORKING_DIR/appletvos"
-        mkdir -p "$WORKING_DIR/appletvsimulator"
-        mkdir -p "$WORKING_DIR/xros"
-        mkdir -p "$WORKING_DIR/xrsimulator"
-
-        cd ./packages/react-native/sdks/hermes || exit 1
-
-        DSYM_FILE_PATH=lib/hermesvm.framework.dSYM
-        cp -r build_macosx/$DSYM_FILE_PATH "$WORKING_DIR/macosx/"
-        cp -r build_catalyst/$DSYM_FILE_PATH "$WORKING_DIR/catalyst/"
-        cp -r build_iphoneos/$DSYM_FILE_PATH "$WORKING_DIR/iphoneos/"
-        cp -r build_iphonesimulator/$DSYM_FILE_PATH "$WORKING_DIR/iphonesimulator/"
-        cp -r build_appletvos/$DSYM_FILE_PATH "$WORKING_DIR/appletvos/"
-        cp -r build_appletvsimulator/$DSYM_FILE_PATH "$WORKING_DIR/appletvsimulator/"
-        cp -r build_xros/$DSYM_FILE_PATH "$WORKING_DIR/xros/"
-        cp -r build_xrsimulator/$DSYM_FILE_PATH "$WORKING_DIR/xrsimulator/"
-
-        DEST_DIR="/tmp/hermes/dSYM/$FLAVOR"
-        tar -C "$WORKING_DIR" -czvf "hermesvm.framework.dSYM" .
-
-        mkdir -p "$DEST_DIR"
-        mv "hermesvm.framework.dSYM" "$DEST_DIR"
-    - name: Upload hermes dSYM artifacts
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermes-dSYM-${{ inputs.flavor }}
-        path: /tmp/hermes/dSYM/${{ inputs.flavor }}
-    - name: Upload hermes Runtime artifacts
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermes-darwin-bin-${{ inputs.flavor }}
-        path: /tmp/hermes/hermes-runtime-darwin/hermes-ios-${{ inputs.flavor }}.tar.gz
-    - name: Upload hermes osx artifacts
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermes-osx-bin-${{ inputs.flavor }}
-        path: /tmp/hermes/osx-bin/${{ inputs.flavor }}
-    - name: Upload Hermes Artifacts
-      uses: actions/cache/save@v4
-      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }} # To avoid that the cache explode.
-      with:
-        key: v4-hermes-artifacts-${{ inputs.flavor }}-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}-${{ hashFiles('./packages/react-native/sdks/hermes-engine/utils/build-apple-framework.sh') }}
-        path: |
-          /tmp/hermes/osx-bin/${{ inputs.flavor }}
-          /tmp/hermes/dSYM/${{ inputs.flavor }}
-          /tmp/hermes/hermes-runtime-darwin/hermes-ios-${{ inputs.flavor }}.tar.gz
diff --git a/.github/actions/build-hermesc-apple/action.yml b/.github/actions/build-hermesc-apple/action.yml
deleted file mode 100644
index c4fefdce9e17..000000000000
--- a/.github/actions/build-hermesc-apple/action.yml
+++ /dev/null
@@ -1,39 +0,0 @@
-name: build-hermesc-apple
-description: This action builds hermesc for Apple platforms
-inputs:
-  hermes-version:
-    required: true
-    description: The version of Hermes
-  react-native-version:
-    required: true
-    description: The version of React Native
-runs:
-  using: composite
-  steps:
-    - name: Setup xcode
-      uses: ./.github/actions/setup-xcode
-    - name: Restore Hermes workspace
-      uses: ./.github/actions/restore-hermes-workspace
-    - name: Hermes apple cache
-      uses: actions/cache/restore@v4
-      with:
-        path: ./packages/react-native/sdks/hermes/build_host_hermesc
-        key: v2-hermesc-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
-    - name: Build HermesC Apple
-      shell: bash
-      run: |
-        cd ./packages/react-native/sdks/hermes || exit 1
-        . ./utils/build-apple-framework.sh
-        build_host_hermesc_if_needed
-    - name: Upload HermesC Artifact
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermesc-apple
-        path: ./packages/react-native/sdks/hermes/build_host_hermesc
-    - name: Cache hermesc apple
-      uses: actions/cache/save@v4
-      if: ${{ github.ref == 'refs/heads/main' || contains(github.ref, '-stable') }} # To avoid that the cache explode.
-      with:
-        path: ./packages/react-native/sdks/hermes/build_host_hermesc
-        key: v2-hermesc-apple-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
-        enableCrossOsArchive: true
diff --git a/.github/actions/build-hermesc-linux/action.yml b/.github/actions/build-hermesc-linux/action.yml
deleted file mode 100644
index 0c90739d0a72..000000000000
--- a/.github/actions/build-hermesc-linux/action.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-name: build-hermesc-linux
-description: This action builds hermesc for linux platforms
-inputs:
-  hermes-version:
-    required: True
-    description: The version of Hermes
-  react-native-version:
-    required: True
-    description: The version of React Native
-runs:
-  using: composite
-  steps:
-    - name: Install dependencies
-      shell: bash
-      run: |
-        sudo apt update
-        sudo apt install -y git openssh-client build-essential \
-            libreadline-dev libicu-dev jq zip python3
-
-        # Install cmake 3.28.3-1build7
-        sudo apt-get install cmake=3.28.3-1build7
-        sudo ln -sf /usr/bin/cmake /usr/local/bin/cmake
-    - name: Restore Hermes workspace
-      uses: ./.github/actions/restore-hermes-workspace
-    - name: Linux cache
-      uses: actions/cache@v4
-      with:
-        key: v1-hermes-${{ github.job }}-linux-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
-        path: |
-          /tmp/hermes/linux64-bin/
-          /tmp/hermes/hermes/destroot/
-    - name: Set up workspace
-      shell: bash
-      run: |
-        mkdir -p /tmp/hermes/linux64-bin
-    - name: Build HermesC for Linux
-      shell: bash
-      run: |
-        if [ -f /tmp/hermes/linux64-bin/hermesc ]; then
-          echo 'Skipping; Clean "/tmp/hermes/linux64-bin" to rebuild.'
-        else
-          cd /tmp/hermes
-          cmake -S hermes -B build -DHERMES_STATIC_LINK=ON -DCMAKE_BUILD_TYPE=Release -DHERMES_ENABLE_TEST_SUITE=OFF \
-            -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DCMAKE_CXX_FLAGS=-s -DCMAKE_C_FLAGS=-s \
-            -DCMAKE_EXE_LINKER_FLAGS="-Wl,--whole-archive -lpthread -Wl,--no-whole-archive"
-          cmake --build build --target hermesc -j 4
-          cp /tmp/hermes/build/bin/hermesc /tmp/hermes/linux64-bin/.
-        fi
-    - name: Upload linux artifacts
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermes-linux-bin
-        path: /tmp/hermes/linux64-bin
diff --git a/.github/actions/build-hermesc-windows/action.yml b/.github/actions/build-hermesc-windows/action.yml
deleted file mode 100644
index 1dcaebb2fb93..000000000000
--- a/.github/actions/build-hermesc-windows/action.yml
+++ /dev/null
@@ -1,86 +0,0 @@
-name: build-hermesc-windows
-description: This action builds hermesc for Windows platforms
-inputs:
-  hermes-version:
-    required: True
-    description: The version of Hermes
-  react-native-version:
-    required: True
-    description: The version of React Native
-runs:
-  using: composite
-  steps:
-    - name: Download Previous Artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-workspace
-        path: 'C:\tmp\hermes'
-    - name: Set up workspace
-      shell: powershell
-      run: |
-        mkdir -p C:\tmp\hermes\osx-bin
-        mkdir -p .\packages\react-native\sdks\hermes
-        cp -r -Force C:\tmp\hermes\hermes\* .\packages\react-native\sdks\hermes\.
-        cp -r -Force .\packages\react-native\sdks\hermes-engine\utils\* .\packages\react-native\sdks\hermes\.
-    - name: Windows cache
-      uses: actions/cache@v4
-      with:
-        key: v3-hermes-${{ github.job }}-windows-${{ inputs.hermes-version }}-${{ inputs.react-native-version }}
-        path: |
-          C:\tmp\hermes\win64-bin\
-          C:\tmp\hermes\hermes\icu\
-          C:\tmp\hermes\hermes\deps\
-          C:\tmp\hermes\hermes\build_release\
-    - name: setup-msbuild
-      uses: microsoft/setup-msbuild@v1.3.2
-    - name: Set up workspace
-      shell: powershell
-      run: |
-        New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\icu
-        New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\deps
-        New-Item -ItemType Directory -ErrorAction SilentlyContinue $Env:HERMES_WS_DIR\win64-bin
-    - name: Downgrade CMake
-      shell: powershell
-      run: choco install cmake --version 3.31.6 --force
-    - name: Build HermesC for Windows
-      shell: powershell
-      run: |
-        if (-not(Test-Path -Path $Env:HERMES_WS_DIR\win64-bin\hermesc.exe)) {
-          cd $Env:HERMES_WS_DIR\icu
-          # If Invoke-WebRequest shows a progress bar, it will fail with
-          #   Win32 internal error "Access is denied" 0x5 occurred [...]
-          $progressPreference = 'silentlyContinue'
-          Invoke-WebRequest -Uri "$Env:ICU_URL" -OutFile "icu.zip"
-          Expand-Archive -Path "icu.zip" -DestinationPath "."
-
-          cd $Env:HERMES_WS_DIR
-          Copy-Item -Path "icu\bin64\icu*.dll" -Destination "deps"
-          # Include MSVC++ 2015 redistributables
-          Copy-Item -Path "c:\windows\system32\msvcp140.dll" -Destination "deps"
-          Copy-Item -Path "c:\windows\system32\vcruntime140.dll" -Destination "deps"
-          Copy-Item -Path "c:\windows\system32\vcruntime140_1.dll" -Destination "deps"
-
-          $Env:PATH += ";$Env:CMAKE_DIR;$Env:MSBUILD_DIR"
-          $Env:ICU_ROOT = "$Env:HERMES_WS_DIR\icu"
-
-          cmake -S hermes -B build_release -G 'Visual Studio 17 2022' -Ax64 -DCMAKE_BUILD_TYPE=Release -DCMAKE_INTERPROCEDURAL_OPTIMIZATION=True -DHERMES_ENABLE_WIN10_ICU_FALLBACK=OFF
-          if (-not $?) { throw "Failed to configure Hermes" }
-          echo "Running windows build..."
-          cd build_release
-          cmake --build . --target hermesc --config Release
-          if (-not $?) { throw "Failed to build Hermes" }
-
-          echo "Copying hermesc.exe to win64-bin"
-          cd $Env:HERMES_WS_DIR
-          Copy-Item -Path "build_release\bin\Release\hermesc.exe" -Destination "win64-bin"
-          # Include Windows runtime dependencies
-          Copy-Item -Path "deps\*" -Destination "win64-bin"
-        }
-        else {
-            Write-Host "Skipping; Clean c:\tmp\hermes\win64-bin to rebuild."
-        }
-    - name: Upload windows artifacts
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermes-win64-bin
-        path: C:\tmp\hermes\win64-bin\
diff --git a/.github/actions/build-npm-package/action.yml b/.github/actions/build-npm-package/action.yml
index 8b894e906395..808916f8b29c 100644
--- a/.github/actions/build-npm-package/action.yml
+++ b/.github/actions/build-npm-package/action.yml
@@ -4,9 +4,6 @@ inputs:
   release-type:
     required: true
     description: The type of release we are building. It could be nightly, release or dry-run
-  hermes-ws-dir:
-    required: 'true'
-    description: The workspace for hermes
   gha-npm-token:
     required: false
     description: The GHA npm token, required only to publish to npm
@@ -20,87 +17,6 @@ runs:
     - name: Setup git safe folders
       shell: bash
       run: git config --global --add safe.directory '*'
-    - name: Create /tmp/hermes/osx-bin directory
-      shell: bash
-      run: mkdir -p /tmp/hermes/osx-bin
-    - name: Download osx-bin release artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-osx-bin-Release
-        path: /tmp/hermes/osx-bin/Release
-    - name: Download osx-bin debug artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-osx-bin-Debug
-        path: /tmp/hermes/osx-bin/Debug
-    - name: Download darwin-bin release artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-darwin-bin-Release
-        path: /tmp/hermes/hermes-runtime-darwin
-    - name: Download darwin-bin debug artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-darwin-bin-Debug
-        path: /tmp/hermes/hermes-runtime-darwin
-    - name: Download hermes dSYM debug artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-dSYM-Debug
-        path: /tmp/hermes/dSYM/Debug
-    - name: Download hermes dSYM release vartifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-dSYM-Release
-        path: /tmp/hermes/dSYM/Release
-    - name: Download windows-bin artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-win64-bin
-        path: /tmp/hermes/win64-bin
-    - name: Download linux-bin artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-linux-bin
-        path: /tmp/hermes/linux64-bin
-    - name: Show /tmp/hermes directory
-      shell: bash
-      run: ls -lR /tmp/hermes
-    - name: Copy Hermes binaries
-      shell: bash
-      run: |
-        mkdir -p ./packages/react-native/sdks/hermesc ./packages/react-native/sdks/hermesc/osx-bin ./packages/react-native/sdks/hermesc/win64-bin ./packages/react-native/sdks/hermesc/linux64-bin
-
-        # When build_hermes_macos runs as a matrix, it outputs
-        if [[ -d ${{ inputs.hermes-ws-dir }}/osx-bin/Release ]]; then
-          cp -r ${{ inputs.hermes-ws-dir }}/osx-bin/Release/* ./packages/react-native/sdks/hermesc/osx-bin/.
-        elif [[ -d ${{ inputs.hermes-ws-dir }}/osx-bin/Debug ]]; then
-          cp -r ${{ inputs.hermes-ws-dir }}/osx-bin/Debug/* ./packages/react-native/sdks/hermesc/osx-bin/.
-        else
-          ls ${{ inputs.hermes-ws-dir }}/osx-bin || echo "hermesc macOS artifacts directory missing."
-          echo "Could not locate macOS hermesc binary."; exit 1;
-        fi
-
-        # Sometimes, GHA creates artifacts with lowercase Debug/Release. Make sure that if it happen, we uppercase them.
-        if [[ -f "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-debug.tar.gz" ]]; then
-          mv "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-debug.tar.gz" "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Debug.tar.gz"
-        fi
-
-        if [[ -f "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-release.tar.gz" ]]; then
-          mv "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-release.tar.gz" "${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Release.tar.gz"
-        fi
-
-        cp -r ${{ inputs.hermes-ws-dir }}/win64-bin/* ./packages/react-native/sdks/hermesc/win64-bin/.
-        cp -r ${{ inputs.hermes-ws-dir }}/linux64-bin/* ./packages/react-native/sdks/hermesc/linux64-bin/.
-
-        # Make sure the hermesc files are actually executable.
-        chmod -R +x packages/react-native/sdks/hermesc/*
-
-        mkdir -p ./packages/react-native/ReactAndroid/external-artifacts/artifacts/
-        cp ${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Debug.tar.gz ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-ios-debug.tar.gz
-        cp ${{ inputs.hermes-ws-dir }}/hermes-runtime-darwin/hermes-ios-Release.tar.gz ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-ios-release.tar.gz
-        cp ${{ inputs.hermes-ws-dir }}/dSYM/Debug/hermesvm.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-debug.tar.gz
-        cp ${{ inputs.hermes-ws-dir }}/dSYM/Release/hermesvm.framework.dSYM  ./packages/react-native/ReactAndroid/external-artifacts/artifacts/hermes-framework-dSYM-release.tar.gz
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
diff --git a/.github/actions/prepare-hermes-workspace/action.yml b/.github/actions/prepare-hermes-workspace/action.yml
deleted file mode 100644
index 47953b676007..000000000000
--- a/.github/actions/prepare-hermes-workspace/action.yml
+++ /dev/null
@@ -1,99 +0,0 @@
-name: prepare-hermes-workspace
-description: This action prepares the hermes workspace with the right hermes and react-native versions.
-inputs:
-  hermes-ws-dir:
-    required: true
-    description: The hermes dir we need to use to setup the workspace
-  hermes-version-file:
-    required: true
-    description: the path to the file that will contain the hermes version
-outputs:
-  hermes-version:
-    description: the version of Hermes tied to this run
-    value: ${{ steps.hermes-version.outputs.VERSION }}
-  react-native-version:
-    description: the version of React Native tied to this run
-    value: ${{ steps.react-native-version.outputs.VERSION }}
-runs:
-  using: composite
-  steps:
-    - name: Setup hermes version
-      shell: bash
-      id: hermes-version
-      run: |
-        mkdir -p "/tmp/hermes" "/tmp/hermes/download" "/tmp/hermes/hermes"
-
-        if [ -f "${{ inputs.hermes-version-file }}" ]; then
-          echo "Hermes Version file found! Using this version for the build:"
-          echo "VERSION=$(cat ${{ inputs.hermes-version-file }})" >> "$GITHUB_OUTPUT"
-        else
-          echo "Hermes Version file not found!!!"
-          echo "Using the last commit from main for the build:"
-          HERMES_TAG_SHA=$(git ls-remote https://github.com/facebook/hermes main | cut -f 1 | tr -d '[:space:]')
-          echo "VERSION=$HERMES_TAG_SHA" >> "$GITHUB_OUTPUT"
-        fi
-        echo "Hermes commit is $HERMES_TAG_SHA"
-
-    - name: Get react-native version
-      shell: bash
-      id: react-native-version
-      run: |
-        VERSION=$(cat packages/react-native/package.json | jq -r '.version')
-        # Save the react native version we are building in an output variable so we can use that file as part of the cache key.
-        echo "VERSION=$VERSION" >> "$GITHUB_OUTPUT"
-        echo "React Native Version is $VERSION"
-
-    - name: Cache hermes workspace
-      id: restore-hermes
-      uses: actions/cache/restore@v4
-      with:
-        path: |
-          /tmp/hermes/download/
-          /tmp/hermes/hermes/
-        key: v1-hermes-${{ steps.hermes-version.outputs.version }}
-        enableCrossOsArchive: true
-
-    # It happened while testing that a cache was created from the right folders
-    # but those folders where empty. Thus, the next check ensures that we can work with those caches.
-    - name: Check if cache was meaningful
-      id: meaningful-cache
-      shell: bash
-      run: |
-        if [[ -d /tmp/hermes/hermes ]] && [[ -n "$(ls -A /tmp/hermes/hermes)"  ]]; then
-          echo "Found a good hermes cache"
-          echo "HERMES_CACHED=true" >> "$GITHUB_OUTPUT"
-        fi
-
-    - name: Setup node.js
-      uses: ./.github/actions/setup-node
-    - name: Yarn- Install Dependencies
-      if: ${{ steps.meaningful-cache.outputs.HERMES_CACHED != 'true' }}
-      uses: ./.github/actions/yarn-install
-
-    - name: Download Hermes tarball
-      if: ${{ steps.meaningful-cache.outputs.HERMES_CACHED != 'true' }}
-      shell: bash
-      run: |
-        node packages/react-native/scripts/hermes/prepare-hermes-for-build ${{ github.event.pull_request.html_url }}
-        cp packages/react-native/sdks/download/* ${{ inputs.hermes-ws-dir }}/download/.
-        cp -r packages/react-native/sdks/hermes/* ${{ inputs.hermes-ws-dir }}/hermes/.
-
-        echo ${{ steps.hermes-version.outputs.version }}
-
-    - name: Upload Hermes artifact
-      uses: actions/upload-artifact@v4.3.4
-      with:
-        name: hermes-workspace
-        path: |
-          /tmp/hermes/download/
-          /tmp/hermes/hermes/
-
-    - name: Cache hermes workspace
-      uses: actions/cache/save@v4
-      if: ${{ github.ref == 'refs/heads/main' }} # To avoid that the cache explode.
-      with:
-        path: |
-          /tmp/hermes/download/
-          /tmp/hermes/hermes/
-        key: v1-hermes-${{ steps.hermes-version.outputs.version }}
-        enableCrossOsArchive: true
diff --git a/.github/actions/restore-hermes-workspace/action.yml b/.github/actions/restore-hermes-workspace/action.yml
deleted file mode 100644
index 0b1cb2594357..000000000000
--- a/.github/actions/restore-hermes-workspace/action.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-name: restore-hermes-workspace
-description: "Restore hermes workspace that has been created in Prepare Hermes Workspace"
-runs:
-  using: composite
-  steps:
-    - name: Download Previous Artifacts
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-workspace
-        path: /tmp/hermes
-    - name: Set up workspace
-      shell: bash
-      run: |
-        mkdir -p $HERMES_OSXBIN_ARTIFACTS_DIR ./packages/react-native/sdks/hermes
-        cp -r $HERMES_WS_DIR/hermes/* ./packages/react-native/sdks/hermes/.
-        cp -r ./packages/react-native/sdks/hermes-engine/utils ./packages/react-native/sdks/hermes/.
diff --git a/.github/actions/test-ios-helloworld/action.yml b/.github/actions/test-ios-helloworld/action.yml
index 0a9a6939bba2..0f9461013350 100644
--- a/.github/actions/test-ios-helloworld/action.yml
+++ b/.github/actions/test-ios-helloworld/action.yml
@@ -10,12 +10,6 @@ inputs:
   flavor:
     description: The flavor of the build. Must be one of "Debug", "Release".
     default: Debug
-  hermes-version:
-    description: The version of hermes
-    required: true
-  react-native-version:
-    description: The version of react-native
-    required: true
 runs:
   using: composite
   steps:
@@ -25,21 +19,16 @@ runs:
       uses: ./.github/actions/setup-node
     - name: Run yarn install
       uses: ./.github/actions/yarn-install
-    - name: Create Hermes folder
-      shell: bash
-      run: mkdir -p "$HERMES_WS_DIR"
-    - name: Download Hermes
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-darwin-bin-${{ inputs.flavor }}
-        path: /tmp/hermes/hermes-runtime-darwin/
-    - name: Print Downloaded hermes
-      shell: bash
-      run: ls -lR "$HERMES_WS_DIR"
     - name: Setup ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ inputs.ruby-version }}
+    - name: Set nightly Hermes versions
+      shell: bash
+      run: |
+        node ./scripts/releases/use-hermes-nightly.js
+    - name: Run yarn install again, with the correct hermes version
+      uses: ./.github/actions/yarn-install
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
@@ -66,20 +55,6 @@ runs:
           args+=(--frameworks dynamic)
         fi
 
-        # Tarball is restored with capital flavors suffix, but somehow the tarball name from JS at line 96 returns as lowercased.
-        # Let's ensure that the tarballs have the right names
-
-        if [[ -f "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Debug.tar.gz" ]]; then
-          mv "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Debug.tar.gz" "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-debug.tar.gz"
-        fi
-
-        if [[ -f "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Release.tar.gz" ]]; then
-          mv "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-Release.tar.gz" "$HERMES_WS_DIR/hermes-runtime-darwin/hermes-ios-release.tar.gz"
-        fi
-
-        BUILD_TYPE="${{ inputs.flavor }}"
-        TARBALL_FILENAME=$(node ../../packages/react-native/scripts/hermes/get-tarball-name.js --buildType "$BUILD_TYPE")
-        export HERMES_ENGINE_TARBALL_PATH="$HERMES_WS_DIR/hermes-runtime-darwin/$TARBALL_FILENAME"
         export RCT_USE_LOCAL_RN_DEP="/tmp/third-party/ReactNativeDependencies${{ inputs.flavor }}.xcframework.tar.gz"
         export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ inputs.flavor }}.xcframework.tar.gz"
 
diff --git a/.github/actions/test-ios-rntester/action.yml b/.github/actions/test-ios-rntester/action.yml
index b54e4a36c6e5..918504c6df0a 100644
--- a/.github/actions/test-ios-rntester/action.yml
+++ b/.github/actions/test-ios-rntester/action.yml
@@ -10,18 +10,9 @@ inputs:
   run-unit-tests:
     description: whether unit tests should run or not.
     default: "false"
-  hermes-tarball-artifacts-dir:
-    description: The directory where the hermes tarball artifacts are stored
-    default: /tmp/hermes/hermes-runtime-darwin
   flavor:
     description: The flavor of the build. Must be one of "Debug", "Release".
     default: Debug
-  hermes-version:
-    description: The version of hermes
-    required: true
-  react-native-version:
-    description: The version of react-native
-    required: true
   run-e2e-tests:
     description: Whether we want to run E2E tests or not
     required: false
@@ -36,56 +27,19 @@ runs:
       uses: ./.github/actions/setup-node
     - name: Run yarn
       uses: ./.github/actions/yarn-install
-    - name: Download Hermes
-      uses: actions/download-artifact@v4
-      with:
-        name: hermes-darwin-bin-${{ inputs.flavor }}
-        path: ${{ inputs.hermes-tarball-artifacts-dir }}
     - name: Setup ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ inputs.ruby-version }}
+    - name: Set nightly Hermes versions
+      shell: bash
+      run: |
+        node ./scripts/releases/use-hermes-nightly.js
+    - name: Run yarn install again, with the correct hermes version
+      uses: ./.github/actions/yarn-install
     - name: Prepare IOS Tests
       if: ${{ inputs.run-unit-tests == 'true' }}
       uses: ./.github/actions/prepare-ios-tests
-    - name: Set HERMES_ENGINE_TARBALL_PATH envvar if Hermes tarball is present
-      shell: bash
-      run: |
-        HERMES_TARBALL_ARTIFACTS_DIR=${{ inputs.hermes-tarball-artifacts-dir }}
-        if [ ! -d $HERMES_TARBALL_ARTIFACTS_DIR ]; then
-          echo "Hermes tarball artifacts dir not present ($HERMES_TARBALL_ARTIFACTS_DIR). Build Hermes from source."
-          exit 0
-        fi
-
-        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ inputs.flavor }}")
-        TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
-
-        echo "Looking for $TARBALL_FILENAME in $HERMES_TARBALL_ARTIFACTS_DIR"
-        echo "$TARBALL_PATH"
-
-        if [ ! -f $TARBALL_PATH ]; then
-          echo "Hermes tarball not present ($TARBALL_PATH). Build Hermes from source."
-          exit 0
-        fi
-
-        echo "Found Hermes tarball at $TARBALL_PATH"
-        echo "HERMES_ENGINE_TARBALL_PATH=$TARBALL_PATH" >> $GITHUB_ENV
-    - name: Print Hermes version
-      shell: bash
-      run: |
-        HERMES_TARBALL_ARTIFACTS_DIR=${{ inputs.hermes-tarball-artifacts-dir }}
-        TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ inputs.flavor }}")
-        TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
-        if [[ -e $TARBALL_PATH ]]; then
-          tar -xf $TARBALL_PATH
-          echo 'print(HermesInternal?.getRuntimeProperties?.()["OSS Release Version"])' > test.js
-          chmod +x ./destroot/bin/hermes
-          ./destroot/bin/hermes test.js
-          rm test.js
-          rm -rf destroot
-        else
-          echo 'No Hermes tarball found.'
-        fi
     - name: Download ReactNativeDependencies
       uses: actions/download-artifact@v4
       with:
@@ -105,7 +59,6 @@ runs:
     - name: Install CocoaPods dependencies
       shell: bash
       run: |
-        export HERMES_ENGINE_TARBALL_PATH=$HERMES_ENGINE_TARBALL_PATH
         export RCT_USE_LOCAL_RN_DEP="/tmp/third-party/ReactNativeDependencies${{ inputs.flavor }}.xcframework.tar.gz"
         export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ inputs.flavor }}.xcframework.tar.gz"
 
@@ -116,7 +69,7 @@ runs:
         cd packages/rn-tester
 
         bundle install
-        bundle exec pod install
+        bundle exec pod update hermes-engine --no-repo-update
     - name: Build RNTester
       shell: bash
       run: |
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 3abef2c12729..d68904e7648d 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -21,86 +21,6 @@ jobs:
           echo "Setting release type to nightly"
           echo "RELEASE_TYPE=nightly" >> $GITHUB_OUTPUT
 
-  prepare_hermes_workspace:
-    runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_VERSION_FILE: packages/react-native/sdks/.hermesversion
-    outputs:
-      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
-      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Prepare Hermes Workspace
-        id: prepare-hermes-workspace
-        uses: ./.github/actions/prepare-hermes-workspace
-        with:
-          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
-          hermes-version-file: ${{ env.HERMES_VERSION_FILE }}
-
-  build_hermesc_apple:
-    runs-on: macos-14
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Apple
-        uses: ./.github/actions/build-hermesc-apple
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_apple_slices_hermes:
-    runs-on: macos-14
-    needs: [build_hermesc_apple, prepare_hermes_workspace]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-      HERMES_OSXBIN_ARTIFACTS_DIR: /tmp/hermes/osx-bin
-      IOS_DEPLOYMENT_TARGET: "15.1"
-      XROS_DEPLOYMENT_TARGET: "1.0"
-      MAC_DEPLOYMENT_TARGET: "10.15"
-    strategy:
-      fail-fast: false
-      matrix:
-        flavor: [Debug, Release]
-        slice: [macosx, iphoneos, iphonesimulator, appletvos, appletvsimulator, catalyst, xros, xrsimulator]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build Slice
-        uses: ./.github/actions/build-apple-slices-hermes
-        with:
-          flavor: ${{ matrix.flavor }}
-          slice: ${{ matrix.slice }}
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_hermes_macos:
-    runs-on: macos-14
-    needs: [build_apple_slices_hermes, prepare_hermes_workspace]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-    continue-on-error: true
-    strategy:
-      fail-fast: false
-      matrix:
-        flavor: [Debug, Release]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build Hermes MacOS
-        uses: ./.github/actions/build-hermes-macos
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-          flavor: ${{ matrix.flavor }}
-
   prebuild_apple_dependencies:
     if: github.repository == 'facebook/react-native'
     uses: ./.github/workflows/prebuild-ios-dependencies.yml
@@ -108,42 +28,10 @@ jobs:
 
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
+    with:
+      use-hermes-nightly: true
     secrets: inherit
-    needs: [prebuild_apple_dependencies, build_hermes_macos]
-
-  build_hermesc_linux:
-    runs-on: ubuntu-latest
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Linux
-        uses: ./.github/actions/build-hermesc-linux
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_hermesc_windows:
-    runs-on: windows-2025
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: 'C:\tmp\hermes'
-      HERMES_TARBALL_ARTIFACTS_DIR: 'C:\tmp\hermes\hermes-runtime-darwin'
-      HERMES_OSXBIN_ARTIFACTS_DIR: 'C:\tmp\hermes\osx-bin'
-      ICU_URL: "https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip"
-      MSBUILD_DIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin'
-      CMAKE_DIR: 'C:\Program Files\CMake\bin'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Windows
-        uses: ./.github/actions/build-hermesc-windows
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+    needs: [prebuild_apple_dependencies]
 
   build_android:
     runs-on: 8-core-ubuntu
@@ -172,10 +60,7 @@ jobs:
     needs:
       [
         set_release_type,
-        prepare_hermes_workspace,
-        build_hermes_macos,
-        build_hermesc_linux,
-        build_hermesc_windows,
+        prepare_workspace,
         build_android,
         prebuild_apple_dependencies,
         prebuild_react_native_core,
@@ -188,7 +73,6 @@ jobs:
         # By default we only build ARM64 to save time/resources. For release/nightlies, we override this value to build all archs.
         ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
     env:
-      HERMES_WS_DIR: /tmp/hermes
       GHA_NPM_TOKEN: ${{ secrets.GHA_NPM_TOKEN }}
       ORG_GRADLE_PROJECT_SIGNING_PWD: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_PWD }}
       ORG_GRADLE_PROJECT_SIGNING_KEY: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_KEY }}
@@ -200,7 +84,6 @@ jobs:
       - name: Build and Publish NPM Package
         uses: ./.github/actions/build-npm-package
         with:
-          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gha-npm-token: ${{ env.GHA_NPM_TOKEN }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
diff --git a/.github/workflows/prebuild-ios-core.yml b/.github/workflows/prebuild-ios-core.yml
index b2d05c5e88fe..340cd7098d11 100644
--- a/.github/workflows/prebuild-ios-core.yml
+++ b/.github/workflows/prebuild-ios-core.yml
@@ -2,7 +2,12 @@ name: Prebuild iOS Dependencies
 
 on:
   workflow_call: # this directive allow us to call this workflow from other workflows
-
+    inputs:
+      use-hermes-nightly:
+        description: 'Whether to use the hermes nightly build or read the version from the versions.properties file'
+        type: boolean
+        required: false
+        default: false
 
 jobs:
   build-rn-slice:
@@ -36,35 +41,16 @@ jobs:
       - name: Yarn Install
         if: steps.restore-ios-slice.outputs.cache-hit != 'true'
         uses: ./.github/actions/yarn-install
-      - name: Download Hermes
-        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
-        uses: actions/download-artifact@v4
-        with:
-          name: hermes-darwin-bin-${{ matrix.flavor }}
-          path: /tmp/hermes/hermes-runtime-darwin
-      - name: Extract Hermes
-        if: steps.restore-ios-slice.outputs.cache-hit != 'true'
+      - name: Set Hermes version
         shell: bash
         run: |
-          HERMES_TARBALL_ARTIFACTS_DIR=/tmp/hermes/hermes-runtime-darwin
-          if [ ! -d $HERMES_TARBALL_ARTIFACTS_DIR ]; then
-            echo "Hermes tarball artifacts dir not present ($HERMES_TARBALL_ARTIFACTS_DIR)."
-            exit 0
+          if [ "${{ inputs.use-hermes-nightly }}" == "true" ]; then
+            HERMES_VERSION="nightly"
+          else
+            HERMES_VERSION=$(sed -n 's/^HERMES_VERSION_NAME=//p' packages/react-native/sdks/hermes-engine/version.properties)
           fi
-
-          TARBALL_FILENAME=$(node ./packages/react-native/scripts/hermes/get-tarball-name.js --buildType "${{ matrix.flavor }}")
-          TARBALL_PATH=$HERMES_TARBALL_ARTIFACTS_DIR/$TARBALL_FILENAME
-
-          echo "Looking for $TARBALL_FILENAME in $HERMES_TARBALL_ARTIFACTS_DIR"
-          echo "$TARBALL_PATH"
-
-          if [ ! -f $TARBALL_PATH ]; then
-            echo "Hermes tarball not present ($TARBALL_PATH). Build Hermes from source."
-            exit 0
-          fi
-
-          echo "Found Hermes tarball at $TARBALL_PATH"
-          echo "HERMES_ENGINE_TARBALL_PATH=$TARBALL_PATH" >> $GITHUB_ENV
+          echo "Using Hermes version: $HERMES_VERSION"
+          echo "HERMES_VERSION=$HERMES_VERSION" >> $GITHUB_ENV
       - name: Download ReactNativeDependencies
         uses: actions/download-artifact@v4
         with:
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index efa432f4542d..6a6799db93f8 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -19,85 +19,6 @@ jobs:
           echo "Setting release type to release"
           echo "RELEASE_TYPE=release" >> $GITHUB_OUTPUT
 
-  prepare_hermes_workspace:
-    runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_VERSION_FILE: packages/react-native/sdks/.hermesversion
-    outputs:
-      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
-      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Prepare Hermes Workspace
-        id: prepare-hermes-workspace
-        uses: ./.github/actions/prepare-hermes-workspace
-        with:
-          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
-          hermes-version-file: ${{ env.HERMES_VERSION_FILE }}
-
-  build_hermesc_apple:
-    runs-on: macos-14
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Apple
-        uses: ./.github/actions/build-hermesc-apple
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.output.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.output.react-native-version }}
-  build_apple_slices_hermes:
-    runs-on: macos-14
-    needs: [build_hermesc_apple, prepare_hermes_workspace]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-      HERMES_OSXBIN_ARTIFACTS_DIR: /tmp/hermes/osx-bin
-      IOS_DEPLOYMENT_TARGET: "15.1"
-      XROS_DEPLOYMENT_TARGET: "1.0"
-      MAC_DEPLOYMENT_TARGET: "10.15"
-    strategy:
-      fail-fast: false
-      matrix:
-        flavor: [Debug, Release]
-        slice: [macosx, iphoneos, iphonesimulator, appletvos, appletvsimulator, catalyst, xros, xrsimulator]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build Slice
-        uses: ./.github/actions/build-apple-slices-hermes
-        with:
-          flavor: ${{ matrix.flavor }}
-          slice: ${{ matrix.slice}}
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_hermes_macos:
-    runs-on: macos-14
-    needs: [build_apple_slices_hermes, prepare_hermes_workspace]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-    continue-on-error: true
-    strategy:
-      fail-fast: false
-      matrix:
-        flavor: [Debug, Release]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build Hermes MacOS
-        uses: ./.github/actions/build-hermes-macos
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-          flavor: ${{ matrix.flavor }}
-
   prebuild_apple_dependencies:
     if: github.repository == 'facebook/react-native'
     uses: ./.github/workflows/prebuild-ios-dependencies.yml
@@ -106,51 +27,14 @@ jobs:
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
     secrets: inherit
-    needs: [prebuild_apple_dependencies, build_hermes_macos]
-
-  build_hermesc_linux:
-    runs-on: ubuntu-latest
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Linux
-        uses: ./.github/actions/build-hermesc-linux
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_hermesc_windows:
-    runs-on: windows-2025
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: 'C:\tmp\hermes'
-      HERMES_TARBALL_ARTIFACTS_DIR: 'C:\tmp\hermes\hermes-runtime-darwin'
-      HERMES_OSXBIN_ARTIFACTS_DIR: 'C:\tmp\hermes\osx-bin'
-      ICU_URL: "https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip"
-      MSBUILD_DIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin'
-      CMAKE_DIR: 'C:\Program Files\CMake\bin'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Windows
-        uses: ./.github/actions/build-hermesc-windows
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
+    needs: [prebuild_apple_dependencies]
 
   build_npm_package:
     runs-on: 8-core-ubuntu
     needs:
       [
         set_release_type,
-        prepare_hermes_workspace,
-        build_hermes_macos,
-        build_hermesc_linux,
-        build_hermesc_windows,
+        prepare_workspace,
         prebuild_apple_dependencies,
         prebuild_react_native_core,
       ]
@@ -162,7 +46,6 @@ jobs:
         # By default we only build ARM64 to save time/resources. For release/nightlies, we override this value to build all archs.
         ORG_GRADLE_PROJECT_reactNativeArchitectures: "arm64-v8a"
     env:
-      HERMES_WS_DIR: /tmp/hermes
       GHA_NPM_TOKEN: ${{ secrets.GHA_NPM_TOKEN }}
       ORG_GRADLE_PROJECT_SIGNING_PWD: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_PWD }}
       ORG_GRADLE_PROJECT_SIGNING_KEY: ${{ secrets.ORG_GRADLE_PROJECT_SIGNING_KEY }}
@@ -178,7 +61,6 @@ jobs:
       - name: Build and Publish NPM Package
         uses: ./.github/actions/build-npm-package
         with:
-          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gha-npm-token: ${{ env.GHA_NPM_TOKEN }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
diff --git a/.github/workflows/test-all.yml b/.github/workflows/test-all.yml
index cca5c3385b31..a8c33b3b5dc0 100644
--- a/.github/workflows/test-all.yml
+++ b/.github/workflows/test-all.yml
@@ -33,86 +33,6 @@ jobs:
 
           echo "Should I run E2E tests? ${{ inputs.run-e2e-tests }}"
 
-  prepare_hermes_workspace:
-    runs-on: ubuntu-latest
-    if: github.repository == 'facebook/react-native'
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_VERSION_FILE: packages/react-native/sdks/.hermesversion
-    outputs:
-      react-native-version: ${{ steps.prepare-hermes-workspace.outputs.react-native-version }}
-      hermes-version: ${{ steps.prepare-hermes-workspace.outputs.hermes-version }}
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Prepare Hermes Workspace
-        id: prepare-hermes-workspace
-        uses: ./.github/actions/prepare-hermes-workspace
-        with:
-          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
-          hermes-version-file: ${{ env.HERMES_VERSION_FILE }}
-
-  build_hermesc_apple:
-    runs-on: macos-14
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Apple
-        uses: ./.github/actions/build-hermesc-apple
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_apple_slices_hermes:
-    runs-on: macos-14
-    needs: [build_hermesc_apple, prepare_hermes_workspace]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-      HERMES_OSXBIN_ARTIFACTS_DIR: /tmp/hermes/osx-bin
-      IOS_DEPLOYMENT_TARGET: "15.1"
-      XROS_DEPLOYMENT_TARGET: "1.0"
-      MAC_DEPLOYMENT_TARGET: "10.15"
-    strategy:
-      fail-fast: false
-      matrix:
-        flavor: [Debug, Release]
-        slice: [macosx, iphoneos, iphonesimulator, appletvos, appletvsimulator, catalyst, xros, xrsimulator]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build Slice
-        uses: ./.github/actions/build-apple-slices-hermes
-        with:
-          flavor: ${{ matrix.flavor }}
-          slice: ${{ matrix.slice}}
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
-  build_hermes_macos:
-    runs-on: macos-14
-    needs: [build_apple_slices_hermes, prepare_hermes_workspace]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-    continue-on-error: true
-    strategy:
-      fail-fast: false
-      matrix:
-        flavor: [Debug, Release]
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build Hermes MacOS
-        uses: ./.github/actions/build-hermes-macos
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-          flavor: ${{ matrix.flavor }}
-
   prebuild_apple_dependencies:
     if: github.repository == 'facebook/react-native'
     uses: ./.github/workflows/prebuild-ios-dependencies.yml
@@ -120,16 +40,15 @@ jobs:
 
   prebuild_react_native_core:
     uses: ./.github/workflows/prebuild-ios-core.yml
+    with:
+      use-hermes-nightly: ${{ !endsWith(github.ref_name, '-stable') }}
     secrets: inherit
-    needs: [prebuild_apple_dependencies, build_hermes_macos]
+    needs: [prebuild_apple_dependencies]
 
   test_ios_rntester_ruby_3_2_0:
     runs-on: macos-14
     needs:
-      [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+      [prebuild_apple_dependencies, prebuild_react_native_core]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -137,17 +56,12 @@ jobs:
         uses: ./.github/actions/test-ios-rntester
         with:
           ruby-version: "3.2.0"
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
           flavor: Debug
 
   test_ios_rntester:
     runs-on: macos-14-large
     needs:
-      [build_apple_slices_hermes, prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
+      [prebuild_apple_dependencies, prebuild_react_native_core]
     continue-on-error: true
     strategy:
       fail-fast: false
@@ -161,17 +75,12 @@ jobs:
         uses: ./.github/actions/test-ios-rntester
         with:
           use-frameworks: ${{ matrix.frameworks }}
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
           flavor: ${{ matrix.flavor }}
 
   test_e2e_ios_rntester:
     runs-on: macos-14-large
     needs:
       [test_ios_rntester]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     strategy:
       fail-fast: false
       matrix:
@@ -201,9 +110,6 @@ jobs:
   test_e2e_ios_templateapp:
     runs-on: macos-14-large
     needs: [build_npm_package, prebuild_apple_dependencies]
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
     strategy:
       fail-fast: false
       matrix:
@@ -221,11 +127,6 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 2.6.10
-      - name: Download Hermes
-        uses: actions/download-artifact@v4
-        with:
-          name: hermes-darwin-bin-${{matrix.flavor}}
-          path: /tmp/react-native-tmp
       - name: Download React Native Package
         uses: actions/download-artifact@v4
         with:
@@ -259,9 +160,6 @@ jobs:
           REACT_NATIVE_PKG=$(find /tmp/react-native-tmp -type f -name "*.tgz")
           echo "React Native tgs is $REACT_NATIVE_PKG"
 
-          HERMES_PATH=$(find /tmp/react-native-tmp -type f -name "*.tar.gz")
-          echo "Hermes path is $HERMES_PATH"
-
           # For stable branches, we want to use the stable branch of the template
           # In all the other cases, we want to use "main"
           BRANCH=${{ github.ref_name }}
@@ -278,7 +176,7 @@ jobs:
           export RCT_USE_LOCAL_RN_DEP=/tmp/third-party/ReactNativeDependencies${{ matrix.flavor }}.xcframework.tar.gz
           # Disable prebuilds for now, as they are causing issues with E2E tests for 0.82-stable branch
           # export RCT_TESTONLY_RNCORE_TARBALL_PATH="/tmp/ReactCore/ReactCore${{ matrix.flavor }}.xcframework.tar.gz"
-          HERMES_ENGINE_TARBALL_PATH=$HERMES_PATH RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
+          RCT_NEW_ARCH_ENABLED=$NEW_ARCH_ENABLED bundle exec pod install
 
           xcodebuild \
             -scheme "RNTestProject" \
@@ -364,21 +262,6 @@ jobs:
           flavor: ${{ matrix.flavor }}
           working-directory: /tmp/RNTestProject
 
-  build_hermesc_linux:
-    runs-on: ubuntu-latest
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: /tmp/hermes
-      HERMES_TARBALL_ARTIFACTS_DIR: /tmp/hermes/hermes-runtime-darwin
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Linux
-        uses: ./.github/actions/build-hermesc-linux
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
   run_fantom_tests:
     runs-on: 8-core-ubuntu
     needs: [set_release_type]
@@ -398,25 +281,6 @@ jobs:
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
 
-  build_hermesc_windows:
-    runs-on: windows-2025
-    needs: prepare_hermes_workspace
-    env:
-      HERMES_WS_DIR: 'C:\tmp\hermes'
-      HERMES_TARBALL_ARTIFACTS_DIR: 'C:\tmp\hermes\hermes-runtime-darwin'
-      HERMES_OSXBIN_ARTIFACTS_DIR: 'C:\tmp\hermes\osx-bin'
-      ICU_URL: "https://github.com/unicode-org/icu/releases/download/release-64-2/icu4c-64_2-Win64-MSVC2017.zip"
-      MSBUILD_DIR: 'C:\Program Files (x86)\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin'
-      CMAKE_DIR: 'C:\Program Files\CMake\bin'
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Build HermesC Windows
-        uses: ./.github/actions/build-hermesc-windows
-        with:
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
-
   build_android:
     runs-on: 8-core-ubuntu
     needs: [set_release_type]
@@ -471,10 +335,6 @@ jobs:
     needs:
       [
         set_release_type,
-        prepare_hermes_workspace,
-        build_hermes_macos,
-        build_hermesc_linux,
-        build_hermesc_windows,
         build_android,
         prebuild_apple_dependencies,
         prebuild_react_native_core,
@@ -484,15 +344,12 @@ jobs:
       env:
         TERM: "dumb"
         GRADLE_OPTS: "-Dorg.gradle.daemon=false"
-    env:
-      HERMES_WS_DIR: /tmp/hermes
     steps:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Build NPM Package
         uses: ./.github/actions/build-npm-package
         with:
-          hermes-ws-dir: ${{ env.HERMES_WS_DIR }}
           release-type: ${{ needs.set_release_type.outputs.RELEASE_TYPE }}
           gradle-cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
 
@@ -535,6 +392,12 @@ jobs:
           cache-encryption-key: ${{ secrets.GRADLE_CACHE_ENCRYPTION_KEY }}
       - name: Run yarn install
         uses: ./.github/actions/yarn-install
+      - name: Set nightly Hermes versions
+        shell: bash
+        run: |
+          node ./scripts/releases/use-hermes-nightly.js
+      - name: Run yarn install again, with the correct hermes version
+        uses: ./.github/actions/yarn-install
       - name: Prepare the Helloworld application
         shell: bash
         run: node ./scripts/e2e/init-project-e2e.js --useHelloWorld --pathToLocalReactNative "$GITHUB_WORKSPACE/build/$(cat build/react-native-package-version)"
@@ -556,10 +419,9 @@ jobs:
 
   test_ios_helloworld_with_ruby_3_2_0:
     runs-on: macos-14
-    needs: [prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core] # prepare_hermes_workspace must be there because we need its reference to retrieve a couple of outputs
+    needs: [prebuild_apple_dependencies, prebuild_react_native_core]
     env:
       PROJECT_NAME: iOSTemplateProject
-      HERMES_WS_DIR: /tmp/hermes
       YARN_ENABLE_IMMUTABLE_INSTALLS: false
     steps:
       - name: Checkout
@@ -568,12 +430,10 @@ jobs:
         with:
           ruby-version: 3.2.0
           flavor: Debug
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   test_ios_helloworld:
     runs-on: macos-14
-    needs: [prepare_hermes_workspace, build_hermes_macos, prebuild_apple_dependencies, prebuild_react_native_core] # prepare_hermes_workspace must be there because we need its reference to retrieve a couple of outputs
+    needs: [prebuild_apple_dependencies, prebuild_react_native_core]
     strategy:
       matrix:
         flavor: [Debug, Release]
@@ -584,7 +444,6 @@ jobs:
             use_frameworks: StaticLibraries
     env:
       PROJECT_NAME: iOSTemplateProject
-      HERMES_WS_DIR: /tmp/hermes
       YARN_ENABLE_IMMUTABLE_INSTALLS: false
     steps:
       - name: Checkout
@@ -593,8 +452,6 @@ jobs:
         with:
           flavor: ${{ matrix.flavor }}
           use-frameworks: ${{ matrix.use_frameworks }}
-          hermes-version: ${{ needs.prepare_hermes_workspace.outputs.hermes-version }}
-          react-native-version: ${{ needs.prepare_hermes_workspace.outputs.react-native-version }}
 
   test_js:
     runs-on: ubuntu-latest
diff --git a/build.gradle.kts b/build.gradle.kts
index f1f420380699..40846ef4e82d 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -104,10 +104,6 @@ tasks.register("build") {
 tasks.register("publishAllToMavenTempLocal") {
   description = "Publish all the artifacts to be available inside a Maven Local repository on /tmp."
   dependsOn(":packages:react-native:ReactAndroid:publishAllPublicationsToMavenTempLocalRepository")
-  // We don't publish the external-artifacts to Maven Local as ci is using it via workspace.
-  dependsOn(
-      ":packages:react-native:ReactAndroid:hermes-engine:publishAllPublicationsToMavenTempLocalRepository"
-  )
 }
 
 tasks.register("publishAndroidToSonatype") {
@@ -135,8 +131,7 @@ if (project.findProperty("react.internal.useHermesNightly")?.toString()?.toBoole
     configurations.all {
       resolutionStrategy.dependencySubstitution {
         substitute(project(":packages:react-native:ReactAndroid:hermes-engine"))
-            // TODO: T237406039 update coordinates
-            .using(module("com.facebook.react:hermes-android:0.+"))
+            .using(module("com.facebook.hermes:hermes-android:0.+"))
             .because("Users opted to use hermes from nightly")
       }
     }
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt
index 47e4646f908c..9984aa67ae8a 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/TaskConfiguration.kt
@@ -14,7 +14,6 @@ import com.facebook.react.utils.KotlinStdlibCompatUtils.capitalizeCompat
 import com.facebook.react.utils.NdkConfiguratorUtils.configureJsEnginePackagingOptions
 import com.facebook.react.utils.NdkConfiguratorUtils.configureNewArchPackagingOptions
 import com.facebook.react.utils.ProjectUtils.isHermesEnabled
-import com.facebook.react.utils.ProjectUtils.isHermesV1Enabled
 import com.facebook.react.utils.ProjectUtils.useThirdPartyJSC
 import com.facebook.react.utils.detectedCliFile
 import com.facebook.react.utils.detectedEntryFile
@@ -49,7 +48,6 @@ internal fun Project.configureReactTasks(variant: Variant, config: ReactExtensio
       } else {
         isHermesEnabledInProject
       }
-  val isHermesV1Enabled = project.isHermesV1Enabled || rootProject.isHermesV1Enabled
   val isDebuggableVariant =
       config.debuggableVariants.get().any { it.equals(variant.name, ignoreCase = true) }
   val useThirdPartyJSC = project.useThirdPartyJSC
@@ -80,7 +78,6 @@ internal fun Project.configureReactTasks(variant: Variant, config: ReactExtensio
           task.jsBundleDir.set(jsBundleDir)
           task.resourcesDir.set(resourcesDir)
           task.hermesEnabled.set(isHermesEnabledInThisVariant)
-          task.hermesV1Enabled.set(isHermesV1Enabled)
           task.minifyEnabled.set(!isHermesEnabledInThisVariant)
           task.devEnabled.set(false)
           task.jsIntermediateSourceMapsDir.set(jsIntermediateSourceMapsDir)
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/tasks/BundleHermesCTask.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/tasks/BundleHermesCTask.kt
index 52ec17479639..89ba3656a3e6 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/tasks/BundleHermesCTask.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/tasks/BundleHermesCTask.kt
@@ -63,8 +63,6 @@ abstract class BundleHermesCTask : DefaultTask() {
 
   @get:Input abstract val hermesEnabled: Property<Boolean>
 
-  @get:Input abstract val hermesV1Enabled: Property<Boolean>
-
   @get:Input abstract val devEnabled: Property<Boolean>
 
   @get:Input abstract val extraPackagerArgs: ListProperty<String>
@@ -96,8 +94,7 @@ abstract class BundleHermesCTask : DefaultTask() {
     runCommand(bundleCommand)
 
     if (hermesEnabled.get()) {
-      val detectedHermesCommand =
-          detectOSAwareHermesCommand(root.get().asFile, hermesCommand.get(), hermesV1Enabled.get())
+      val detectedHermesCommand = detectOSAwareHermesCommand(root.get().asFile, hermesCommand.get())
       val bytecodeFile = File("${bundleFile}.hbc")
       val outputSourceMap = resolveOutputSourceMap(bundleAssetFilename)
       val compilerSourceMap = resolveCompilerSourceMap(bundleAssetFilename)
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/DependencyUtils.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/DependencyUtils.kt
index 1d8d1c84564e..f93ef2c9c144 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/DependencyUtils.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/DependencyUtils.kt
@@ -14,6 +14,7 @@ import com.facebook.react.utils.PropertyUtils.INCLUDE_JITPACK_REPOSITORY
 import com.facebook.react.utils.PropertyUtils.INCLUDE_JITPACK_REPOSITORY_DEFAULT
 import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_PUBLISHING_GROUP
 import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_V1_VERSION_NAME
+import com.facebook.react.utils.PropertyUtils.INTERNAL_HERMES_VERSION_NAME
 import com.facebook.react.utils.PropertyUtils.INTERNAL_REACT_NATIVE_MAVEN_LOCAL_REPO
 import com.facebook.react.utils.PropertyUtils.INTERNAL_REACT_PUBLISHING_GROUP
 import com.facebook.react.utils.PropertyUtils.INTERNAL_USE_HERMES_NIGHTLY
@@ -139,11 +140,7 @@ internal object DependencyUtils {
           // Contributors only: The hermes-engine version is forced only if the user has
           // not opted into using nightlies for local development.
           configuration.resolutionStrategy.force(
-              // TODO: T237406039 update coordinates
-              if (hermesV1Enabled)
-                  "${coordinates.hermesGroupString}:hermes-android:${coordinates.hermesV1VersionString}"
-              else
-                  "${coordinates.reactGroupString}:hermes-android:${coordinates.hermesVersionString}"
+              "${coordinates.hermesGroupString}:hermes-android:${if (hermesV1Enabled) coordinates.hermesV1VersionString else coordinates.hermesVersionString}"
           )
         }
       }
@@ -154,13 +151,10 @@ internal object DependencyUtils {
       coordinates: Coordinates,
       hermesV1Enabled: Boolean = false,
   ): List<Triple<String, String, String>> {
-    // TODO: T231755027 update coordinates and versioning
     val dependencySubstitution = mutableListOf<Triple<String, String, String>>()
-    // TODO: T237406039 update coordinates
-    val hermesVersionString =
-        if (hermesV1Enabled)
-            "${coordinates.hermesGroupString}:hermes-android:${coordinates.hermesV1VersionString}"
-        else "${coordinates.reactGroupString}:hermes-android:${coordinates.hermesVersionString}"
+    val hermesVersion =
+        if (hermesV1Enabled) coordinates.hermesV1VersionString else coordinates.hermesVersionString
+    val hermesVersionString = "${coordinates.hermesGroupString}:hermes-android:${hermesVersion}"
     dependencySubstitution.add(
         Triple(
             "com.facebook.react:react-native",
@@ -175,6 +169,13 @@ internal object DependencyUtils {
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210.",
         )
     )
+    dependencySubstitution.add(
+        Triple(
+            "com.facebook.react:hermes-android",
+            hermesVersionString,
+            "The hermes-android artifact was moved to com.facebook.hermes publishing group.",
+        )
+    )
     if (coordinates.reactGroupString != DEFAULT_INTERNAL_REACT_PUBLISHING_GROUP) {
       dependencySubstitution.add(
           Triple(
@@ -183,7 +184,6 @@ internal object DependencyUtils {
               "The react-android dependency was modified to use the correct Maven group.",
           )
       )
-      // TODO: T237406039 update coordinates
       dependencySubstitution.add(
           Triple(
               "com.facebook.react:hermes-android",
@@ -191,12 +191,13 @@ internal object DependencyUtils {
               "The hermes-android dependency was modified to use the correct Maven group.",
           )
       )
-    } else if (hermesV1Enabled) {
+    }
+    if (coordinates.hermesGroupString != DEFAULT_INTERNAL_HERMES_PUBLISHING_GROUP) {
       dependencySubstitution.add(
           Triple(
-              "com.facebook.react:hermes-android",
+              "com.facebook.hermes:hermes-android",
               hermesVersionString,
-              "The hermes-android dependency was modified to use Hermes V1.",
+              "The hermes-android dependency was modified to use the correct Maven group.",
           )
       )
     }
@@ -221,11 +222,19 @@ internal object DependencyUtils {
     val hermesGroupString =
         reactAndroidProperties[INTERNAL_HERMES_PUBLISHING_GROUP] as? String
             ?: DEFAULT_INTERNAL_HERMES_PUBLISHING_GROUP
-    // TODO: T237406039 read both versions from the same file
+
     val hermesVersionProperties = Properties()
     hermesVersionFile.inputStream().use { hermesVersionProperties.load(it) }
 
-    val hermesVersion = versionString
+    val hermesVersionString =
+        (hermesVersionProperties[INTERNAL_HERMES_VERSION_NAME] as? String).orEmpty()
+    val hermesVersion =
+        if (hermesVersionString.startsWith("0.0.0") || "-commitly-" in hermesVersionString) {
+          "$hermesVersionString-SNAPSHOT"
+        } else {
+          hermesVersionString
+        }
+
     val hermesV1Version =
         (hermesVersionProperties[INTERNAL_HERMES_V1_VERSION_NAME] as? String).orEmpty()
 
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PathUtils.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PathUtils.kt
index a69de8b3752a..510b157e6b1e 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PathUtils.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PathUtils.kt
@@ -130,7 +130,6 @@ private fun detectCliFile(reactNativeRoot: File, preconfiguredCliFile: File?): F
 internal fun detectOSAwareHermesCommand(
     projectRoot: File,
     hermesCommand: String,
-    hermesV1Enabled: Boolean = false,
 ): String { // 1. If the project specifies a Hermes command, don't second guess it.
   if (hermesCommand.isNotBlank()) {
     val osSpecificHermesCommand =
@@ -151,13 +150,9 @@ internal fun detectOSAwareHermesCommand(
     return builtHermesc.cliPath(projectRoot)
   }
 
-  // 3. If Hermes V1 is enabled, use hermes-compiler from npm, otherwise, if the
-  // react-native contains a pre-built hermesc, use it.
-  // TODO: T237406039 use hermes-compiler from npm for both
-  val hermesCPath = if (hermesV1Enabled) HERMES_COMPILER_NPM_DIR else HERMESC_IN_REACT_NATIVE_DIR
+  // 3. Use hermes-compiler from npm
   val prebuiltHermesPath =
-      hermesCPath
-          .plus(getHermesCBin())
+      HERMES_COMPILER_NPM_DIR.plus(getHermesCBin())
           .replace("%OS-BIN%", getHermesOSBin())
           // Execution on Windows fails with / as separator
           .replace('/', File.separatorChar)
@@ -243,6 +238,5 @@ internal fun readPackageJsonFile(
 }
 
 private const val HERMES_COMPILER_NPM_DIR = "node_modules/hermes-compiler/hermesc/%OS-BIN%/"
-private const val HERMESC_IN_REACT_NATIVE_DIR = "node_modules/react-native/sdks/hermesc/%OS-BIN%/"
 private const val HERMESC_BUILT_FROM_SOURCE_DIR =
     "node_modules/react-native/ReactAndroid/hermes-engine/build/hermes/bin/"
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PropertyUtils.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PropertyUtils.kt
index 8f7e4928a81e..fa75308e3616 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PropertyUtils.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/main/kotlin/com/facebook/react/utils/PropertyUtils.kt
@@ -81,8 +81,9 @@ object PropertyUtils {
   const val INTERNAL_VERSION_NAME = "VERSION_NAME"
 
   /**
-   * Internal property, shared with iOS, used to control the version name of Hermes Engine. This is
-   * stored in sdks/hermes-engine/version.properties
+   * Internal properties, shared with iOS, used to control the version name of Hermes Engine. They
+   * are stored in sdks/hermes-engine/version.properties
    */
+  const val INTERNAL_HERMES_VERSION_NAME = "HERMES_VERSION_NAME"
   const val INTERNAL_HERMES_V1_VERSION_NAME = "HERMES_V1_VERSION_NAME"
 }
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/DependencyUtilsTest.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/DependencyUtilsTest.kt
index 43b6c946ba59..b48ea7984633 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/DependencyUtilsTest.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/DependencyUtilsTest.kt
@@ -289,7 +289,7 @@ class DependencyUtilsTest {
     val forcedModules = project.configurations.first().resolutionStrategy.forcedModules
     assertThat(forcedModules.any { it.toString() == "com.facebook.react:react-android:1.2.3" })
         .isTrue()
-    assertThat(forcedModules.any { it.toString() == "com.facebook.react:hermes-android:4.5.6" })
+    assertThat(forcedModules.any { it.toString() == "com.facebook.hermes:hermes-android:4.5.6" })
         .isTrue()
   }
 
@@ -324,11 +324,11 @@ class DependencyUtilsTest {
     val libForcedModules = libProject.configurations.first().resolutionStrategy.forcedModules
     assertThat(appForcedModules.any { it.toString() == "com.facebook.react:react-android:1.2.3" })
         .isTrue()
-    assertThat(appForcedModules.any { it.toString() == "com.facebook.react:hermes-android:4.5.6" })
+    assertThat(appForcedModules.any { it.toString() == "com.facebook.hermes:hermes-android:4.5.6" })
         .isTrue()
     assertThat(libForcedModules.any { it.toString() == "com.facebook.react:react-android:1.2.3" })
         .isTrue()
-    assertThat(libForcedModules.any { it.toString() == "com.facebook.react:hermes-android:4.5.6" })
+    assertThat(libForcedModules.any { it.toString() == "com.facebook.hermes:hermes-android:4.5.6" })
         .isTrue()
   }
 
@@ -381,11 +381,15 @@ class DependencyUtilsTest {
     val libForcedModules = libProject.configurations.first().resolutionStrategy.forcedModules
     assertThat(appForcedModules.any { it.toString() == "io.github.test:react-android:1.2.3" })
         .isTrue()
-    assertThat(appForcedModules.any { it.toString() == "io.github.test:hermes-android:4.5.6" })
+    assertThat(
+            appForcedModules.any { it.toString() == "io.github.test.hermes:hermes-android:4.5.6" }
+        )
         .isTrue()
     assertThat(libForcedModules.any { it.toString() == "io.github.test:react-android:1.2.3" })
         .isTrue()
-    assertThat(libForcedModules.any { it.toString() == "io.github.test:hermes-android:4.5.6" })
+    assertThat(
+            libForcedModules.any { it.toString() == "io.github.test.hermes:hermes-android:4.5.6" }
+        )
         .isTrue()
   }
 
@@ -438,7 +442,7 @@ class DependencyUtilsTest {
         )
         .isEqualTo(dependencySubstitutions[0].third)
     assertThat("com.facebook.react:hermes-engine").isEqualTo(dependencySubstitutions[1].first)
-    assertThat("com.facebook.react:hermes-android:0.42.0")
+    assertThat("com.facebook.hermes:hermes-android:0.42.0")
         .isEqualTo(dependencySubstitutions[1].second)
     assertThat(
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210."
@@ -490,19 +494,26 @@ class DependencyUtilsTest {
         )
         .isEqualTo(dependencySubstitutions[0].third)
     assertThat("com.facebook.react:hermes-engine").isEqualTo(dependencySubstitutions[1].first)
-    assertThat("io.github.test:hermes-android:0.42.0").isEqualTo(dependencySubstitutions[1].second)
+    assertThat("io.github.test.hermes:hermes-android:0.42.0")
+        .isEqualTo(dependencySubstitutions[1].second)
     assertThat(
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210."
         )
         .isEqualTo(dependencySubstitutions[1].third)
-    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[2].first)
-    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[2].second)
-    assertThat("The react-android dependency was modified to use the correct Maven group.")
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[2].first)
+    assertThat("io.github.test.hermes:hermes-android:0.42.0")
+        .isEqualTo(dependencySubstitutions[2].second)
+    assertThat("The hermes-android artifact was moved to com.facebook.hermes publishing group.")
         .isEqualTo(dependencySubstitutions[2].third)
-    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[3].first)
-    assertThat("io.github.test:hermes-android:0.42.0").isEqualTo(dependencySubstitutions[3].second)
-    assertThat("The hermes-android dependency was modified to use the correct Maven group.")
+    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[3].first)
+    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[3].second)
+    assertThat("The react-android dependency was modified to use the correct Maven group.")
         .isEqualTo(dependencySubstitutions[3].third)
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[4].first)
+    assertThat("io.github.test.hermes:hermes-android:0.42.0")
+        .isEqualTo(dependencySubstitutions[4].second)
+    assertThat("The hermes-android dependency was modified to use the correct Maven group.")
+        .isEqualTo(dependencySubstitutions[4].third)
   }
 
   @Test
@@ -532,15 +543,20 @@ class DependencyUtilsTest {
             "The hermes-engine artifact was deprecated in favor of hermes-android due to https://github.com/facebook/react-native/issues/35210."
         )
         .isEqualTo(dependencySubstitutions[1].third)
-    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[2].first)
-    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[2].second)
-    assertThat("The react-android dependency was modified to use the correct Maven group.")
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[2].first)
+    assertThat("io.github.test.hermes:hermes-android:0.43.0")
+        .isEqualTo(dependencySubstitutions[2].second)
+    assertThat("The hermes-android artifact was moved to com.facebook.hermes publishing group.")
         .isEqualTo(dependencySubstitutions[2].third)
-    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[3].first)
+    assertThat("com.facebook.react:react-android").isEqualTo(dependencySubstitutions[3].first)
+    assertThat("io.github.test:react-android:0.42.0").isEqualTo(dependencySubstitutions[3].second)
+    assertThat("The react-android dependency was modified to use the correct Maven group.")
+        .isEqualTo(dependencySubstitutions[3].third)
+    assertThat("com.facebook.react:hermes-android").isEqualTo(dependencySubstitutions[4].first)
     assertThat("io.github.test.hermes:hermes-android:0.43.0")
-        .isEqualTo(dependencySubstitutions[3].second)
+        .isEqualTo(dependencySubstitutions[4].second)
     assertThat("The hermes-android dependency was modified to use the correct Maven group.")
-        .isEqualTo(dependencySubstitutions[3].third)
+        .isEqualTo(dependencySubstitutions[4].third)
   }
 
   @Test
@@ -560,6 +576,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=1000.0.0
               HERMES_V1_VERSION_NAME=1000.0.0
               ANOTHER_PROPERTY=true
               """
@@ -596,6 +613,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=0.14.0
               HERMES_V1_VERSION_NAME=250829098.0.0-stable
               ANOTHER_PROPERTY=true
               """
@@ -609,7 +627,7 @@ class DependencyUtilsTest {
     val hermesV1VersionString = strings.hermesV1VersionString
 
     assertThat(versionString).isEqualTo("0.0.0-20221101-2019-cfe811ab1-SNAPSHOT")
-    assertThat(hermesVersionString).isEqualTo("0.0.0-20221101-2019-cfe811ab1-SNAPSHOT")
+    assertThat(hermesVersionString).isEqualTo("0.14.0")
     assertThat(hermesV1VersionString).isEqualTo("250829098.0.0-stable")
   }
 
@@ -661,6 +679,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=
               HERMES_V1_VERSION_NAME=
               ANOTHER_PROPERTY=true
               """
@@ -695,6 +714,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=
               HERMES_V1_VERSION_NAME=
               ANOTHER_PROPERTY=true
               """
@@ -726,6 +746,7 @@ class DependencyUtilsTest {
         tempFolder.newFile("version.properties").apply {
           writeText(
               """
+              HERMES_VERSION_NAME=
               HERMES_V1_VERSION_NAME=
               ANOTHER_PROPERTY=true
               """
diff --git a/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/PathUtilsTest.kt b/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/PathUtilsTest.kt
index d8690b83ab51..e4c9f5997650 100644
--- a/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/PathUtilsTest.kt
+++ b/packages/gradle-plugin/react-native-gradle-plugin/src/test/kotlin/com/facebook/react/utils/PathUtilsTest.kt
@@ -155,21 +155,11 @@ class PathUtilsTest {
 
   @Test
   @WithOs(OS.MAC)
-  fun detectOSAwareHermesCommand_withBundledHermescInsideRN() {
-    tempFolder.newFolder("node_modules/react-native/sdks/hermesc/osx-bin/")
-    val expected = tempFolder.newFile("node_modules/react-native/sdks/hermesc/osx-bin/hermesc")
-
-    assertThat(detectOSAwareHermesCommand(tempFolder.root, "")).isEqualTo(expected.toString())
-  }
-
-  @Test
-  @WithOs(OS.MAC)
-  fun detectOSAwareHermesCommand_withHermesV1Enabled() {
+  fun detectOSAwareHermesCommand_withHermescFromNPM() {
     tempFolder.newFolder("node_modules/hermes-compiler/hermesc/osx-bin/")
     val expected = tempFolder.newFile("node_modules/hermes-compiler/hermesc/osx-bin/hermesc")
 
-    assertThat(detectOSAwareHermesCommand(tempFolder.root, "", hermesV1Enabled = true))
-        .isEqualTo(expected.toString())
+    assertThat(detectOSAwareHermesCommand(tempFolder.root, "")).isEqualTo(expected.toString())
   }
 
   @Test(expected = IllegalStateException::class)
diff --git a/packages/react-native/ReactAndroid/external-artifacts/build.gradle.kts b/packages/react-native/ReactAndroid/external-artifacts/build.gradle.kts
index 6e4dc499c6d8..1ed2851218df 100644
--- a/packages/react-native/ReactAndroid/external-artifacts/build.gradle.kts
+++ b/packages/react-native/ReactAndroid/external-artifacts/build.gradle.kts
@@ -17,42 +17,6 @@ version =
 
 configurations.maybeCreate("externalArtifacts")
 
-// Those artifacts should be placed inside the `artifacts/hermes-ios-*.tar.gz` location.
-val hermesiOSDebugArtifactFile: RegularFile =
-    layout.projectDirectory.file("artifacts/hermes-ios-debug.tar.gz")
-val hermesiOSDebugArtifact: PublishArtifact =
-    artifacts.add("externalArtifacts", hermesiOSDebugArtifactFile) {
-      type = "tgz"
-      extension = "tar.gz"
-      classifier = "hermes-ios-debug"
-    }
-val hermesiOSReleaseArtifactFile: RegularFile =
-    layout.projectDirectory.file("artifacts/hermes-ios-release.tar.gz")
-val hermesiOSReleaseArtifact: PublishArtifact =
-    artifacts.add("externalArtifacts", hermesiOSReleaseArtifactFile) {
-      type = "tgz"
-      extension = "tar.gz"
-      classifier = "hermes-ios-release"
-    }
-
-// Those artifacts should be placed inside the `artifacts/hermes-*.framework.dSYM` location
-val hermesDSYMDebugArtifactFile: RegularFile =
-    layout.projectDirectory.file("artifacts/hermes-framework-dSYM-debug.tar.gz")
-val hermesDSYMDebugArtifact: PublishArtifact =
-    artifacts.add("externalArtifacts", hermesDSYMDebugArtifactFile) {
-      type = "tgz"
-      extension = "tar.gz"
-      classifier = "hermes-framework-dSYM-debug"
-    }
-val hermesDSYMReleaseArtifactFile: RegularFile =
-    layout.projectDirectory.file("artifacts/hermes-framework-dSYM-release.tar.gz")
-val hermesDSYMReleaseArtifact: PublishArtifact =
-    artifacts.add("externalArtifacts", hermesDSYMReleaseArtifactFile) {
-      type = "tgz"
-      extension = "tar.gz"
-      classifier = "hermes-framework-dSYM-release"
-    }
-
 // [iOS] React Native Dependencies
 val reactNativeDependenciesDebugArtifactFile: RegularFile =
     layout.projectDirectory.file("artifacts/ReactNativeDependenciesDebug.xcframework.tar.gz")
@@ -131,10 +95,6 @@ publishing {
   publications {
     getByName("release", MavenPublication::class) {
       artifactId = "react-native-artifacts"
-      artifact(hermesiOSDebugArtifact)
-      artifact(hermesiOSReleaseArtifact)
-      artifact(hermesDSYMDebugArtifact)
-      artifact(hermesDSYMReleaseArtifact)
       artifact(reactNativeDependenciesDebugArtifact)
       artifact(reactNativeDependenciesReleaseArtifact)
       artifact(reactNativeDependenciesDebugDSYMArtifact)
diff --git a/packages/react-native/ReactAndroid/hermes-engine/build.gradle.kts b/packages/react-native/ReactAndroid/hermes-engine/build.gradle.kts
index c59c7c4885f1..f62d5f2960cd 100644
--- a/packages/react-native/ReactAndroid/hermes-engine/build.gradle.kts
+++ b/packages/react-native/ReactAndroid/hermes-engine/build.gradle.kts
@@ -386,14 +386,3 @@ tasks.withType<JavaCompile>().configureEach {
   options.compilerArgs.add("-Xlint:deprecation,unchecked")
   options.compilerArgs.add("-Werror")
 }
-
-/* Publishing Configuration */
-apply(from = "../publish.gradle")
-
-// We need to override the artifact ID as this project is called `hermes-engine` but
-// the maven coordinates are on `hermes-android`.
-// Please note that the original coordinates, `hermes-engine`, have been voided
-// as they caused https://github.com/facebook/react-native/issues/35210
-publishing {
-  publications { getByName("release", MavenPublication::class) { artifactId = "hermes-android" } }
-}
diff --git a/packages/react-native/scripts/hermes/__tests__/hermes-utils-test.js b/packages/react-native/scripts/hermes/__tests__/hermes-utils-test.js
index f295569ab721..510000e27afb 100644
--- a/packages/react-native/scripts/hermes/__tests__/hermes-utils-test.js
+++ b/packages/react-native/scripts/hermes/__tests__/hermes-utils-test.js
@@ -11,142 +11,21 @@
 import * as path from 'path';
 
 const {
-  configureMakeForPrebuiltHermesC,
-  copyBuildScripts,
-  copyPodSpec,
-  createHermesPrebuiltArtifactsTarball,
-  createTarballFromDirectory,
-  downloadHermesSourceTarball,
-  expandHermesSourceTarball,
-  getHermesPrebuiltArtifactsTarballName,
-  getHermesTagSHA,
-  getHermesTarballDownloadPath,
   readHermesTag,
+  readHermesV1Tag,
   setHermesTag,
-  shouldUsePrebuiltHermesC,
 } = require('../hermes-utils');
 // $FlowFixMe[untyped-import] (OSS) memfs
 const {memfs} = require('memfs');
-const os = require('os');
 
 const hermesTag =
   'hermes-2022-04-28-RNv0.69.0-15d07c2edd29a4ea0b8f15ab0588a0c1adb1200f';
-const tarballContents = 'dummy string';
-const hermescContents = 'dummy string';
-const hermesTagSha = '5244f819b2f3949ca94a3a1bf75d54a8ed59d94a';
+const hermesV1Tag = '250829098.0.0';
 const ROOT_DIR = path.normalize(path.join(__dirname, '../../..'));
 const SDKS_DIR = path.join(ROOT_DIR, 'sdks');
 
-let execCalls: $FlowFixMe;
-let spawnCalls: $FlowFixMe;
 let fs: $FlowFixMe;
 
-jest.mock('child_process', () => ({
-  execSync: jest.fn((command, options) => {
-    // git is used in getHermesTagSHA to obtain the commit sha for the latest commit to Hermes main
-    if (command.startsWith('git')) {
-      execCalls.git = true;
-      return hermesTagSha + '\n';
-    }
-  }),
-  spawnSync: jest.fn((command, args, options) => {
-    // curl is used in downloadHermesSourceTarball to fetch the source code from github.com/facebook/hermes for a specific Hermes commit sha
-    if (command === 'curl') {
-      const downloadPath = args[2];
-      fs.writeFileSync(downloadPath, tarballContents);
-      spawnCalls.curl = true;
-      return {code: 0};
-    }
-
-    // tar is used in createTarballFromDirectory
-    if (command === 'tar') {
-      spawnCalls.tar = true;
-
-      if (args[0] === '-zxf') {
-        // We are expanding the tarball
-        fs.mkdirSync(path.join(SDKS_DIR, 'hermes/utils'), {
-          recursive: true,
-        });
-        fs.writeFileSync(path.join(SDKS_DIR, 'hermes/package.json'), '{}');
-        return {code: 0};
-      } else if (args[2] === '-czvf') {
-        // We are creating the tarball
-        const filename = args[3];
-        fs.writeFileSync(filename, tarballContents);
-        return {code: 0};
-      }
-    }
-
-    // rsync is used in createHermesPrebuiltArtifactsTarball
-    if (command === 'rsync') {
-      spawnCalls.rsync = true;
-      spawnCalls.rsyncArgs = args;
-      const destination = args[args.length - 1];
-
-      // Create destination directory
-      fs.mkdirSync(path.join(options.cwd, destination), {
-        recursive: true,
-      });
-    }
-  }),
-}));
-
-function populateMockFilesystemWithHermesBuildScripts() {
-  fs.mkdirSync(path.join(SDKS_DIR, 'hermes-engine/utils'), {
-    recursive: true,
-  });
-  fs.writeFileSync(
-    path.join(SDKS_DIR, 'hermes-engine/utils/build-apple-framework.sh'),
-    'Dummy file',
-  );
-  fs.writeFileSync(
-    path.join(SDKS_DIR, 'hermes-engine/utils/build-ios-framework.sh'),
-    'Dummy file',
-  );
-  fs.writeFileSync(
-    path.join(SDKS_DIR, 'hermes-engine/utils/build-mac-framework.sh'),
-    'Dummy file',
-  );
-  fs.writeFileSync(
-    path.join(SDKS_DIR, 'hermes-engine/hermes-engine.podspec'),
-    'Dummy file',
-  );
-  fs.writeFileSync(
-    path.join(SDKS_DIR, 'hermes-engine/hermes-utils.rb'),
-    'Dummy file',
-  );
-}
-
-function populateMockFilesystemWithHermesBuildArtifacts() {
-  fs.mkdirSync(os.tmpdir(), {recursive: true});
-  const frameworksDir = path.join(
-    SDKS_DIR,
-    'hermes/destroot/Library/Frameworks',
-  );
-  fs.mkdirSync(path.join(frameworksDir, 'macosx/hermesvm.framework'), {
-    recursive: true,
-  });
-  fs.mkdirSync(path.join(frameworksDir, 'universal/hermesvm.xcframework'), {
-    recursive: true,
-  });
-
-  const dsymsDirs = [
-    'macosx',
-    'universal/hermesvm.xcframework/ios-arm64/dSYMs',
-    'universal/hermesvm.xcframework/ios-arm64_x86_64-simulator/dSYMs',
-    'universal/hermesvm.xcframework/ios-arm64_x86_64-maccatalyst/dSYMs',
-  ];
-
-  for (const dsymsDir of dsymsDirs) {
-    fs.mkdirSync(
-      path.join(frameworksDir, dsymsDir, 'hermesvm.framework.dSYM'),
-      {
-        recursive: true,
-      },
-    );
-  }
-}
-
 describe('hermes-utils', () => {
   beforeEach(() => {
     jest.resetModules();
@@ -154,10 +33,9 @@ describe('hermes-utils', () => {
     jest.mock('fs', () => memfs().fs);
     fs = require('fs');
 
-    populateMockFilesystemWithHermesBuildScripts();
-
-    execCalls = Object.create(null);
-    spawnCalls = Object.create(null);
+    fs.mkdirSync(SDKS_DIR, {
+      recursive: true,
+    });
 
     // Silence logs.
     jest.spyOn(console, 'log').mockImplementation(() => {});
@@ -166,8 +44,10 @@ describe('hermes-utils', () => {
 
   describe('Versioning Hermes', () => {
     describe('readHermesTag', () => {
-      it('should return main if .hermesversion does not exist', () => {
-        expect(readHermesTag()).toEqual('main');
+      it('should throw if .hermesversion does not exist', () => {
+        expect(() => {
+          readHermesTag();
+        }).toThrow('[Hermes] .hermesversion does not exist.');
       });
       it('should fail if hermes tag is empty', () => {
         fs.writeFileSync(path.join(SDKS_DIR, '.hermesversion'), '');
@@ -181,268 +61,45 @@ describe('hermes-utils', () => {
       });
     });
 
-    describe('setHermesTag', () => {
-      it('should write tag to .hermesversion file', () => {
-        setHermesTag(hermesTag);
-        expect(
-          fs.readFileSync(path.join(SDKS_DIR, '.hermesversion'), {
-            encoding: 'utf8',
-            flag: 'r',
-          }),
-        ).toEqual(hermesTag);
+    describe('readHermesV1Tag', () => {
+      it('should throw if .hermesv1version does not exist', () => {
+        expect(() => {
+          readHermesV1Tag();
+        }).toThrow('[Hermes] .hermesv1version does not exist.');
       });
-      it('should set Hermes tag and read it back', () => {
-        setHermesTag(hermesTag);
-        expect(readHermesTag()).toEqual(hermesTag);
+      it('should fail if hermes v1 tag is empty', () => {
+        fs.writeFileSync(path.join(SDKS_DIR, '.hermesv1version'), '');
+        expect(() => {
+          readHermesV1Tag();
+        }).toThrow('[Hermes] .hermesv1version file is empty.');
       });
-    });
-
-    describe('getHermesTagSHA', () => {
-      it('should return trimmed commit SHA for Hermes tag', () => {
-        expect(getHermesTagSHA(hermesTag)).toEqual(hermesTagSha);
-        expect(execCalls.git).toBe(true);
+      it('should return tag from .hermesv1version if file exists', () => {
+        fs.writeFileSync(path.join(SDKS_DIR, '.hermesv1version'), hermesV1Tag);
+        expect(readHermesV1Tag()).toEqual(hermesV1Tag);
       });
     });
-  });
 
-  describe('Downloading Hermes', () => {
-    describe('getHermesTarballDownloadPath', () => {
-      it('returns download path with Hermes tag sha', () => {
-        const hermesTarballDownloadPath =
-          getHermesTarballDownloadPath(hermesTag);
-        expect(hermesTarballDownloadPath).toEqual(
-          path.join(
-            SDKS_DIR,
-            'download',
-            `hermes-${getHermesTagSHA(hermesTag)}.tgz`,
-          ),
-        );
-      });
-    });
-    describe('downloadHermesSourceTarball', () => {
-      it('should download Hermes source tarball to download dir', () => {
-        fs.writeFileSync(path.join(SDKS_DIR, '.hermesversion'), hermesTag);
-        const hermesTarballDownloadPath =
-          getHermesTarballDownloadPath(hermesTag);
-        downloadHermesSourceTarball();
-        expect(spawnCalls.curl).toBe(true);
+    describe('setHermesTag', () => {
+      it('should write tag to .hermesversion file', async () => {
+        await setHermesTag(hermesTag, hermesV1Tag);
         expect(
-          fs.readFileSync(hermesTarballDownloadPath, {
+          fs.readFileSync(path.join(SDKS_DIR, '.hermesversion'), {
             encoding: 'utf8',
             flag: 'r',
           }),
-        ).toEqual(tarballContents);
-      });
-      it('should not re-download Hermes source tarball if tarball exists', () => {
-        fs.mkdirSync(path.join(SDKS_DIR, 'download'), {recursive: true});
-        fs.writeFileSync(
-          path.join(SDKS_DIR, 'download', `hermes-${hermesTagSha}.tgz`),
-          tarballContents,
-        );
-
-        downloadHermesSourceTarball();
-        expect(spawnCalls.curl).toBeUndefined();
-      });
-    });
-
-    describe('expandHermesSourceTarball', () => {
-      it('should expand Hermes source tarball to Hermes source dir', () => {
-        fs.mkdirSync(path.join(SDKS_DIR, 'download'), {recursive: true});
-        fs.writeFileSync(
-          path.join(SDKS_DIR, 'download', `hermes-${hermesTagSha}.tgz`),
-          tarballContents,
-        );
-        expect(fs.existsSync(path.join(SDKS_DIR, 'hermes'))).toBeFalsy();
-        expandHermesSourceTarball();
-        expect(fs.existsSync(path.join(SDKS_DIR, 'hermes'))).toBe(true);
-      });
-      it('should fail if Hermes source tarball does not exist', () => {
-        expect(() => {
-          expandHermesSourceTarball();
-        }).toThrow('[Hermes] Could not locate Hermes tarball.');
-      });
-    });
-  });
-
-  describe('Configuring Hermes Build', () => {
-    describe('copyBuildScripts', () => {
-      it('should copy React Native Hermes build scripts to Hermes source directory', () => {
-        copyBuildScripts();
+        ).toEqual(hermesTag);
 
-        [
-          'build-apple-framework.sh',
-          'build-ios-framework.sh',
-          'build-mac-framework.sh',
-        ].forEach(buildScript => {
-          expect(
-            fs.readFileSync(
-              path.join(ROOT_DIR, 'sdks/hermes/utils', buildScript),
-              {
-                encoding: 'utf8',
-                flag: 'r',
-              },
-            ),
-          ).toEqual(
-            fs.readFileSync(
-              path.join(ROOT_DIR, 'sdks/hermes-engine/utils', buildScript),
-              {
-                encoding: 'utf8',
-                flag: 'r',
-              },
-            ),
-          );
-        });
-      });
-    });
-    describe('copyPodSpec', () => {
-      it('should copy React Native Hermes Podspec to Hermes source directory', () => {
-        copyPodSpec();
-        expect(
-          fs.readFileSync(path.join(SDKS_DIR, 'hermes/hermes-engine.podspec'), {
-            encoding: 'utf8',
-            flag: 'r',
-          }),
-        ).toEqual(
-          fs.readFileSync(
-            path.join(SDKS_DIR, 'hermes-engine/hermes-engine.podspec'),
-            {
-              encoding: 'utf8',
-              flag: 'r',
-            },
-          ),
-        );
-      });
-      it('should copy hermes-utils.rb to Hermes source directory', () => {
-        copyPodSpec();
         expect(
-          fs.readFileSync(path.join(SDKS_DIR, 'hermes/hermes-utils.rb'), {
+          fs.readFileSync(path.join(SDKS_DIR, '.hermesv1version'), {
             encoding: 'utf8',
             flag: 'r',
           }),
-        ).toEqual(
-          fs.readFileSync(
-            path.join(SDKS_DIR, 'hermes-engine/hermes-utils.rb'),
-            {
-              encoding: 'utf8',
-              flag: 'r',
-            },
-          ),
-        );
-      });
-    });
-    describe('shouldUsePrebuiltHermesC', () => {
-      it('returns false if path to osx hermesc does not exist', () => {
-        expect(shouldUsePrebuiltHermesC('macos')).toBeFalsy();
-      });
-      it('returns false for non-macOS', () => {
-        expect(shouldUsePrebuiltHermesC('windows')).toBeFalsy();
-      });
-      it('return true only if path to hermesc exists', () => {
-        fs.mkdirSync(path.join(SDKS_DIR, 'hermesc/osx-bin'), {
-          recursive: true,
-        });
-        fs.writeFileSync(
-          path.join(SDKS_DIR, 'hermesc/osx-bin/hermesc'),
-          hermescContents,
-        );
-        expect(shouldUsePrebuiltHermesC('macos')).toBe(true);
-      });
-    });
-
-    describe('configureMakeForPrebuiltHermesC', () => {
-      it('creates ImportHermesC file', () => {
-        fs.mkdirSync(path.join(SDKS_DIR, 'hermesc/osx-bin'), {
-          recursive: true,
-        });
-        configureMakeForPrebuiltHermesC();
-        expect(
-          fs.existsSync(
-            path.join(SDKS_DIR, 'hermesc/osx-bin/ImportHostCompilers.cmake'),
-          ),
-        ).toBe(true);
-      });
-    });
-  });
-
-  describe('Packaging Hermes', () => {
-    beforeEach(() => {
-      populateMockFilesystemWithHermesBuildArtifacts();
-    });
-
-    describe('createTarballFromDirectory', () => {
-      it('should create the tarball', () => {
-        fs.mkdirSync(path.join(SDKS_DIR, 'downloads'), {recursive: true});
-        const tarballFilename = path.join(
-          SDKS_DIR,
-          'downloads/hermes-runtime-darwin.tar.gz',
-        );
-        createTarballFromDirectory(
-          path.join(SDKS_DIR, 'hermes/destroot'),
-          tarballFilename,
-        );
-        expect(spawnCalls.tar).toBe(true);
-        expect(fs.existsSync(tarballFilename)).toBe(true);
-      });
-    });
-
-    describe('getHermesPrebuiltArtifactsTarballName', () => {
-      it('should return Hermes prebuilts tarball name', () => {
-        expect(getHermesPrebuiltArtifactsTarballName('Debug')).toEqual(
-          'hermes-ios-debug.tar.gz',
-        );
+        ).toEqual(hermesV1Tag);
       });
-      it('should throw if build type is undefined', () => {
-        expect(() => {
-          getHermesPrebuiltArtifactsTarballName();
-        }).toThrow('Did not specify build type.');
-      });
-    });
-
-    describe('createHermesPrebuiltArtifactsTarball', () => {
-      it('creates tarball', () => {
-        const tarballOutputDir = fs.mkdtempSync(
-          path.join(os.tmpdir(), 'hermes-prebuilts-'),
-        );
-        fs.mkdirSync(tarballOutputDir, {
-          recursive: true,
-        });
-
-        const excludeDebugSymbols = false;
-        const tarballOutputPath = createHermesPrebuiltArtifactsTarball(
-          path.join(SDKS_DIR, 'hermes'),
-          'Debug',
-          tarballOutputDir,
-          excludeDebugSymbols,
-        );
-        expect(fs.existsSync(tarballOutputPath)).toBe(true);
-        expect(spawnCalls.rsync).toBe(true);
-        // rsync -a src dest
-        expect(spawnCalls.rsyncArgs.length).toEqual(3);
-      });
-
-      it('creates tarball with debug symbols excluded', () => {
-        const tarballOutputDir = fs.mkdtempSync(
-          path.join(os.tmpdir(), 'hermes-prebuilts-'),
-        );
-        fs.mkdirSync(tarballOutputDir, {
-          recursive: true,
-        });
-
-        const excludeDebugSymbols = true;
-        const tarballOutputPath = createHermesPrebuiltArtifactsTarball(
-          path.join(SDKS_DIR, 'hermes'),
-          'Debug',
-          tarballOutputDir,
-          excludeDebugSymbols,
-        );
-        expect(fs.existsSync(tarballOutputPath)).toBe(true);
-        expect(spawnCalls.rsync).toBe(true);
-
-        // When the debug symbols are excluded, we pass an additional two parameters to rsync:
-        // rsync -a --exclude=dSYMs/ --exclude=*.dSYM/ src dest
-        expect(spawnCalls.rsyncArgs.length).toEqual(5);
-        expect(spawnCalls.rsyncArgs[1]).toEqual('--exclude=dSYMs/');
-        expect(spawnCalls.rsyncArgs[2]).toEqual('--exclude=*.dSYM/');
+      it('should set Hermes tag and read it back', async () => {
+        await setHermesTag(hermesTag, hermesV1Tag);
+        expect(readHermesTag()).toEqual(hermesTag);
+        expect(readHermesV1Tag()).toEqual(hermesV1Tag);
       });
     });
   });
diff --git a/packages/react-native/scripts/hermes/bump-hermes-version.js b/packages/react-native/scripts/hermes/bump-hermes-version.js
index 3ac8c9711b63..a27aabed40d1 100755
--- a/packages/react-native/scripts/hermes/bump-hermes-version.js
+++ b/packages/react-native/scripts/hermes/bump-hermes-version.js
@@ -11,6 +11,13 @@
 
 'use strict';
 
+const {
+  updateHermesCompilerVersionInDependencies,
+  updateHermesRuntimeDependenciesVersions,
+} = require('../../../../scripts/releases/utils/hermes-utils');
+const {
+  getPackageVersionStrByTag,
+} = require('../../../../scripts/releases/utils/npm-utils');
 const {setHermesTag} = require('./hermes-utils');
 // $FlowFixMe[untyped-import]
 const inquirer = require('inquirer');
@@ -21,28 +28,88 @@ const inquirer = require('inquirer');
 const {exit} = require('shelljs');
 const yargs = require('yargs');
 
-let argv = yargs.option('t', {
-  alias: 'tag',
-  describe:
-    'Hermes release tag to use for this React Native release, ex. hermes-2022-02-21-RNv0.68.0',
-  required: true,
-}).argv;
+let argv = yargs
+  .option('t', {
+    alias: 'tag',
+    describe:
+      'Hermes release tag to use for this React Native release, ex. hermes-2022-02-21-RNv0.68.0. This tag will be used when building Hermes from source.',
+    required: true,
+  })
+  .option('s', {
+    alias: 'v1-tag',
+    describe:
+      'Hermes V1 release tag to use for this React Native release, ex. 250829098.0.0. This tag will be used when building Hermes V1 from source.',
+    required: true,
+  })
+  .option('h', {
+    alias: 'hermes-version',
+    describe:
+      'Hermes version to use for this React Native release, ex. 250829098.0.0. This version will be used when consuming Hermes from a prebuilt package.',
+    required: false,
+  })
+  .option('v', {
+    alias: 'hermes-v1-version',
+    describe:
+      'Hermes V1 version to use for this React Native release, ex. 250829098.0.0. This version will be used when consuming Hermes V1 from a prebuilt package.',
+    required: false,
+  }).argv;
 
 async function main() {
   // $FlowFixMe[prop-missing]
   const hermesTag = argv.tag;
-  const {confirmHermesTag} = await inquirer.prompt({
+  // $FlowFixMe[prop-missing]
+  const hermesV1Tag = argv['v1-tag'];
+  // $FlowFixMe[prop-missing]
+  let hermesVersion = argv['hermes-version'];
+  // $FlowFixMe[prop-missing]
+  let hermesV1Version = argv['hermes-v1-version'];
+
+  if (!hermesVersion) {
+    console.log(
+      'No Hermes version provided. Fetching the latest version from NPM...',
+    );
+    hermesVersion = await getPackageVersionStrByTag(
+      'hermes-compiler',
+      'latest-v0',
+    );
+  }
+
+  if (!hermesV1Version) {
+    console.log(
+      'No Hermes V1 version provided. Fetching the latest version from NPM...',
+    );
+    hermesV1Version = await getPackageVersionStrByTag(
+      'hermes-compiler',
+      'latest-v1',
+    );
+  }
+
+  const {confirmHermesVersions} = await inquirer.prompt({
     type: 'confirm',
-    name: 'confirmHermesTag',
-    message: `Do you want to use the Hermes release tagged "${hermesTag}"?`,
+    name: 'confirmHermesVersions',
+    message: `Do you want to use the Hermes version "${hermesVersion}" and Hermes V1 version "${hermesV1Version}" (for prebuilt)?`,
   });
 
-  if (!confirmHermesTag) {
+  if (!confirmHermesVersions) {
     console.log('Aborting.');
     return;
   }
 
-  setHermesTag(hermesTag);
+  const {confirmHermesTags} = await inquirer.prompt({
+    type: 'confirm',
+    name: 'confirmHermesTags',
+    message: `Do you want to use the Hermes release tagged "${hermesTag}" and Hermes V1 release tagged "${hermesV1Tag}" (for building from source)?`,
+  });
+
+  if (!confirmHermesTags) {
+    console.log('Aborting.');
+    return;
+  }
+
+  await setHermesTag(hermesTag, hermesV1Tag);
+
+  await updateHermesCompilerVersionInDependencies(hermesVersion);
+  await updateHermesRuntimeDependenciesVersions(hermesVersion, hermesV1Version);
 }
 
 void main().then(() => {
diff --git a/packages/react-native/scripts/hermes/create-tarball.js b/packages/react-native/scripts/hermes/create-tarball.js
deleted file mode 100644
index 7214d5639c4b..000000000000
--- a/packages/react-native/scripts/hermes/create-tarball.js
+++ /dev/null
@@ -1,78 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict-local
- * @format
- */
-
-'use strict';
-
-const {createHermesPrebuiltArtifactsTarball} = require('./hermes-utils');
-const fs = require('fs');
-const os = require('os');
-const path = require('path');
-/**
- * This script creates a Hermes prebuilt artifacts tarball.
- * Must be invoked after Hermes has been built.
- */
-const yargs = require('yargs');
-
-let argv = yargs
-  .option('i', {
-    alias: 'inputDir',
-    describe: 'Path to directory where Hermes build artifacts were generated.',
-  })
-  .option('b', {
-    alias: 'buildType',
-    type: 'string',
-    describe: 'Specifies whether Hermes was built for Debug or Release.',
-    default: 'Debug',
-  })
-  .option('o', {
-    alias: 'outputDir',
-    describe: 'Location where the tarball will be saved to.',
-  })
-  .option('exclude-debug-symbols', {
-    describe: 'Whether dSYMs should be excluded from the tarball.',
-    type: 'boolean',
-    default: true,
-  }).argv;
-
-async function main() {
-  // $FlowFixMe[prop-missing]
-  const hermesDir = argv.inputDir;
-  // $FlowFixMe[prop-missing]
-  const buildType = argv.buildType;
-  // $FlowFixMe[prop-missing]
-  const excludeDebugSymbols = argv.excludeDebugSymbols;
-  // $FlowFixMe[prop-missing]
-  let tarballOutputDir = argv.outputDir;
-
-  if (!tarballOutputDir) {
-    try {
-      tarballOutputDir = fs.mkdtempSync(
-        path.join(os.tmpdir(), 'hermes-engine-tarball-'),
-      );
-    } catch (error) {
-      throw new Error(
-        `[Hermes] Failed to create temporary output directory: ${error}`,
-      );
-    }
-  }
-
-  const tarballOutputPath = createHermesPrebuiltArtifactsTarball(
-    hermesDir,
-    buildType,
-    tarballOutputDir,
-    excludeDebugSymbols,
-  );
-  console.log(tarballOutputPath);
-  return tarballOutputPath;
-}
-
-void main().then(() => {
-  process.exit(0);
-});
diff --git a/packages/react-native/scripts/hermes/get-tarball-name.js b/packages/react-native/scripts/hermes/get-tarball-name.js
deleted file mode 100644
index ace7543b5dd6..000000000000
--- a/packages/react-native/scripts/hermes/get-tarball-name.js
+++ /dev/null
@@ -1,36 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict-local
- * @format
- */
-
-'use strict';
-
-const {getHermesPrebuiltArtifactsTarballName} = require('./hermes-utils');
-/**
- * This script returns the filename that would be used for a
- * Hermes tarball for the given build type and release version.
- */
-const yargs = require('yargs');
-
-let argv = yargs.option('b', {
-  alias: 'buildType',
-  type: 'string',
-  describe: 'Specifies whether Hermes was built for Debug or Release.',
-  default: 'Debug',
-}).argv;
-
-async function main() {
-  // $FlowFixMe[prop-missing]
-  const tarballName = getHermesPrebuiltArtifactsTarballName(argv.buildType);
-  console.log(tarballName);
-  return tarballName;
-}
-
-void main().then(() => {
-  process.exit(0);
-});
diff --git a/packages/react-native/scripts/hermes/hermes-utils.js b/packages/react-native/scripts/hermes/hermes-utils.js
index 991a525b52d8..16ee6810b8d5 100644
--- a/packages/react-native/scripts/hermes/hermes-utils.js
+++ b/packages/react-native/scripts/hermes/hermes-utils.js
@@ -10,9 +10,9 @@
 
 'use strict';
 
-const {execSync, spawnSync} = require('child_process');
 const fs = require('fs');
-const os = require('os');
+// $FlowFixMe[untyped-import]
+const inquirer = require('inquirer');
 const path = require('path');
 
 /*::
@@ -20,32 +20,8 @@ type BuildType = 'dry-run' | 'release' | 'nightly';
 */
 
 const SDKS_DIR = path.normalize(path.join(__dirname, '..', '..', 'sdks'));
-const HERMES_DIR = path.join(SDKS_DIR, 'hermes');
 const HERMES_TAG_FILE_PATH = path.join(SDKS_DIR, '.hermesversion');
-const HERMES_SOURCE_TARBALL_BASE_URL =
-  'https://github.com/facebook/hermes/tarball/';
-const HERMES_TARBALL_DOWNLOAD_DIR = path.join(SDKS_DIR, 'download');
-const MACOS_BIN_DIR = path.join(SDKS_DIR, 'hermesc', 'osx-bin');
-const MACOS_HERMESC_PATH = path.join(MACOS_BIN_DIR, 'hermesc');
-const MACOS_IMPORT_HOST_COMPILERS_PATH = path.join(
-  MACOS_BIN_DIR,
-  'ImportHostCompilers.cmake',
-);
-
-/**
- * Delegate execution to the supplied command.
- *
- * @param command Path to the command.
- * @param args Array of arguments pass to the command.
- * @param options child process options.
- */
-function delegateSync(
-  command /*: string */,
-  args /*: (Array<string> | child_process$spawnSyncOpts) */,
-  options /*: ?child_process$spawnSyncOpts */,
-) {
-  return spawnSync(command, args, {stdio: 'inherit', ...options});
-}
+const HERMES_V1_TAG_FILE_PATH = path.join(SDKS_DIR, '.hermesv1version');
 
 function readHermesTag() /*: string */ {
   if (fs.existsSync(HERMES_TAG_FILE_PATH)) {
@@ -63,281 +39,73 @@ function readHermesTag() /*: string */ {
     }
   }
 
-  return 'main';
-}
-
-function setHermesTag(hermesTag /*: string */) {
-  if (readHermesTag() === hermesTag) {
-    // No need to update.
-    return;
-  }
-
-  if (!fs.existsSync(SDKS_DIR)) {
-    fs.mkdirSync(SDKS_DIR, {recursive: true});
-  }
-  fs.writeFileSync(HERMES_TAG_FILE_PATH, hermesTag.trim());
-  console.log('Hermes tag has been updated. Please commit your changes.');
-}
-
-function getHermesTagSHA(hermesTag /*: string */) /*: string */ {
-  return execSync(
-    `git ls-remote https://github.com/facebook/hermes ${hermesTag} | cut -f 1`,
-  )
-    .toString()
-    .trim();
-}
-
-function getHermesTarballDownloadPath(hermesTag /*: string */) /*: string */ {
-  const hermesTagSHA = getHermesTagSHA(hermesTag);
-  return path.join(HERMES_TARBALL_DOWNLOAD_DIR, `hermes-${hermesTagSHA}.tgz`);
-}
-
-function downloadHermesSourceTarball() {
-  const hermesTag = readHermesTag();
-  const hermesTagSHA = getHermesTagSHA(hermesTag);
-  const hermesTarballDownloadPath = getHermesTarballDownloadPath(hermesTag);
-  let hermesTarballUrl = HERMES_SOURCE_TARBALL_BASE_URL + hermesTag;
-
-  if (fs.existsSync(hermesTarballDownloadPath)) {
-    return;
-  }
-
-  if (!fs.existsSync(HERMES_TARBALL_DOWNLOAD_DIR)) {
-    fs.mkdirSync(HERMES_TARBALL_DOWNLOAD_DIR, {recursive: true});
-  }
-
-  console.info(
-    `[Hermes] Downloading Hermes source code for commit ${hermesTagSHA}`,
-  );
-  try {
-    delegateSync('curl', [hermesTarballUrl, '-Lo', hermesTarballDownloadPath]);
-  } catch (error) {
-    throw new Error(`[Hermes] Failed to download Hermes tarball. ${error}`);
-  }
-}
-
-function expandHermesSourceTarball() {
-  const hermesTag = readHermesTag();
-  const hermesTagSHA = getHermesTagSHA(hermesTag);
-  const hermesTarballDownloadPath = getHermesTarballDownloadPath(hermesTag);
-
-  if (!fs.existsSync(hermesTarballDownloadPath)) {
-    throw new Error('[Hermes] Could not locate Hermes tarball.');
-  }
-
-  if (!fs.existsSync(HERMES_DIR)) {
-    fs.mkdirSync(HERMES_DIR, {recursive: true});
-  }
-  console.info(`[Hermes] Expanding Hermes tarball for commit ${hermesTagSHA}`);
-  try {
-    delegateSync('tar', [
-      '-zxf',
-      hermesTarballDownloadPath,
-      '--strip-components=1',
-      '--directory',
-      HERMES_DIR,
-    ]);
-  } catch (error) {
-    throw new Error('[Hermes] Failed to expand Hermes tarball.');
-  }
-}
-
-function copyBuildScripts() {
-  if (!fs.existsSync(SDKS_DIR)) {
-    throw new Error(
-      '[Hermes] Failed to copy Hermes build scripts, no SDKs directory found.',
-    );
-  }
-
-  if (!fs.existsSync(HERMES_DIR)) {
-    fs.mkdirSync(path.join(HERMES_DIR, 'utils'), {recursive: true});
-  }
-
-  fs.copyFileSync(
-    path.join(SDKS_DIR, 'hermes-engine', 'utils', 'build-apple-framework.sh'),
-    path.join(HERMES_DIR, 'utils', 'build-apple-framework.sh'),
-  );
-  fs.copyFileSync(
-    path.join(SDKS_DIR, 'hermes-engine', 'utils', 'build-ios-framework.sh'),
-    path.join(HERMES_DIR, 'utils', 'build-ios-framework.sh'),
-  );
-  fs.copyFileSync(
-    path.join(SDKS_DIR, 'hermes-engine', 'utils', 'build-mac-framework.sh'),
-    path.join(HERMES_DIR, 'utils', 'build-mac-framework.sh'),
-  );
-}
-
-function copyPodSpec() {
-  if (!fs.existsSync(SDKS_DIR)) {
-    throw new Error(
-      '[Hermes] Failed to copy Hermes Podspec, no SDKs directory found.',
-    );
-  }
-
-  if (!fs.existsSync(HERMES_DIR)) {
-    fs.mkdirSync(HERMES_DIR, {recursive: true});
-  }
-  const podspec = 'hermes-engine.podspec';
-  fs.copyFileSync(
-    path.join(SDKS_DIR, 'hermes-engine', podspec),
-    path.join(HERMES_DIR, podspec),
-  );
-  const utils = 'hermes-utils.rb';
-  fs.copyFileSync(
-    path.join(SDKS_DIR, 'hermes-engine', utils),
-    path.join(HERMES_DIR, utils),
-  );
-}
-
-function isTestingAgainstLocalHermesTarball() {
-  return 'HERMES_ENGINE_TARBALL_PATH' in process.env;
-}
-
-function shouldBuildHermesFromSource(isInCI /*: boolean */) /*: boolean */ {
-  return !isTestingAgainstLocalHermesTarball() && isInCI;
+  throw new Error('[Hermes] .hermesversion does not exist.');
 }
 
-function shouldUsePrebuiltHermesC(
-  platform /*: 'macos' | 'windows' */,
-) /*: boolean */ {
-  if (platform === 'macos') {
-    return fs.existsSync(MACOS_HERMESC_PATH);
-  }
-
-  return false;
-}
-
-function configureMakeForPrebuiltHermesC() {
-  const IMPORT_HOST_COMPILERS_TEMPLATE = `add_executable(native-hermesc IMPORTED)
-set_target_properties(native-hermesc PROPERTIES
-  IMPORTED_LOCATION "${MACOS_HERMESC_PATH}"
-  )`;
+function readHermesV1Tag() /*: string */ {
+  if (fs.existsSync(HERMES_V1_TAG_FILE_PATH)) {
+    const data = fs
+      .readFileSync(HERMES_V1_TAG_FILE_PATH, {
+        encoding: 'utf8',
+        flag: 'r',
+      })
+      .trim();
 
-  try {
-    fs.mkdirSync(MACOS_BIN_DIR, {recursive: true});
-    fs.writeFileSync(
-      MACOS_IMPORT_HOST_COMPILERS_PATH,
-      IMPORT_HOST_COMPILERS_TEMPLATE,
-    );
-  } catch (error) {
-    console.warn(
-      `[Hermes] Re-compiling hermesc. Unable to configure make: ${error}`,
-    );
+    if (data.length > 0) {
+      return data;
+    } else {
+      throw new Error('[Hermes] .hermesv1version file is empty.');
+    }
   }
-}
 
-function getHermesPrebuiltArtifactsTarballName(
-  buildType /*:: ?: string */,
-) /*: string */ {
-  if (buildType == null) {
-    throw Error('Did not specify build type.');
-  }
-  return `hermes-ios-${buildType.toLowerCase()}.tar.gz`;
+  throw new Error('[Hermes] .hermesv1version does not exist.');
 }
 
-/**
- * Creates a tarball with the contents of the supplied directory.
- */
-function createTarballFromDirectory(
-  directory /*: string */,
-  filename /*: string */,
+async function updateHermesTag(
+  tagFile /*: string */,
+  hermesTag /*: string */,
+  prompt /*: string */,
 ) {
-  const args = ['-C', directory, '-czvf', filename, '.'];
-  delegateSync('tar', args);
-}
-
-function createHermesPrebuiltArtifactsTarball(
-  hermesDir /*: string */,
-  buildType /*: string */,
-  tarballOutputDir /*: string */,
-  excludeDebugSymbols /*: boolean */,
-) /*: string */ {
-  validateHermesFrameworksExist(path.join(hermesDir, 'destroot'));
-
-  if (!fs.existsSync(tarballOutputDir)) {
-    fs.mkdirSync(tarballOutputDir, {recursive: true});
-  }
-
-  let tarballTempDir;
-  try {
-    tarballTempDir = fs.mkdtempSync(
-      path.join(os.tmpdir(), 'hermes-engine-destroot-'),
-    );
-
-    let args = ['-a'];
-    if (excludeDebugSymbols) {
-      args.push('--exclude=dSYMs/');
-      args.push('--exclude=*.dSYM/');
-    }
-    args.push('./destroot');
-    args.push(tarballTempDir);
-    delegateSync('rsync', args, {
-      cwd: hermesDir,
+  if (!fs.existsSync(tagFile)) {
+    fs.writeFileSync(tagFile, hermesTag.trim());
+  } else {
+    const previousHermesTag = fs.readFileSync(tagFile, {
+      encoding: 'utf8',
+      flag: 'r',
     });
-    if (fs.existsSync(path.join(hermesDir, 'LICENSE'))) {
-      delegateSync('cp', ['LICENSE', tarballTempDir], {cwd: hermesDir});
-    }
-  } catch (error) {
-    throw new Error(`Failed to copy destroot to tempdir: ${error}`);
-  }
-
-  const tarballFilename = path.join(
-    tarballOutputDir,
-    getHermesPrebuiltArtifactsTarballName(buildType),
-  );
 
-  try {
-    createTarballFromDirectory(tarballTempDir, tarballFilename);
-  } catch (error) {
-    throw new Error(`[Hermes] Failed to create tarball: ${error}`);
-  }
-
-  if (!fs.existsSync(tarballFilename)) {
-    throw new Error(
-      `Tarball creation failed, could not locate tarball at ${tarballFilename}`,
-    );
+    if (previousHermesTag.trim() !== hermesTag.trim()) {
+      const {confirmHermesTag} = await inquirer.prompt({
+        type: 'confirm',
+        name: 'confirmHermesTag',
+        message: `Do you want to use updtate release tag for ${prompt} from "${previousHermesTag}" to "${hermesTag}"?`,
+      });
+
+      if (confirmHermesTag) {
+        fs.writeFileSync(tagFile, hermesTag.trim());
+      } else {
+        console.log(`[${prompt}] .hermesversion file is unchanged.`);
+      }
+    } else {
+      console.log(`[${prompt}] .hermesversion file is unchanged.`);
+    }
   }
-
-  return tarballFilename;
 }
 
-function validateHermesFrameworksExist(destrootDir /*: string */) {
-  if (
-    !fs.existsSync(
-      path.join(destrootDir, 'Library/Frameworks/macosx/hermesvm.framework'),
-    )
-  ) {
-    throw new Error(
-      'Error: Hermes macOS Framework not found. Are you sure Hermes has been built?',
-    );
-  }
-  if (
-    !fs.existsSync(
-      path.join(
-        destrootDir,
-        'Library/Frameworks/universal/hermesvm.xcframework',
-      ),
-    )
-  ) {
-    throw new Error(
-      'Error: Hermes iOS XCFramework not found. Are you sure Hermes has been built?',
-    );
+async function setHermesTag(
+  hermesTag /*: string */,
+  hermesV1Tag /*: string */,
+) {
+  if (!fs.existsSync(SDKS_DIR)) {
+    fs.mkdirSync(SDKS_DIR, {recursive: true});
   }
+
+  await updateHermesTag(HERMES_TAG_FILE_PATH, hermesTag, 'Hermes');
+  await updateHermesTag(HERMES_V1_TAG_FILE_PATH, hermesV1Tag, 'Hermes V1');
 }
 
 module.exports = {
-  configureMakeForPrebuiltHermesC,
-  copyBuildScripts,
-  copyPodSpec,
-  createHermesPrebuiltArtifactsTarball,
-  createTarballFromDirectory,
-  downloadHermesSourceTarball,
-  expandHermesSourceTarball,
-  getHermesTagSHA,
-  getHermesTarballDownloadPath,
-  getHermesPrebuiltArtifactsTarballName,
   readHermesTag,
+  readHermesV1Tag,
   setHermesTag,
-  shouldBuildHermesFromSource,
-  shouldUsePrebuiltHermesC,
 };
diff --git a/packages/react-native/scripts/hermes/prepare-hermes-for-build.js b/packages/react-native/scripts/hermes/prepare-hermes-for-build.js
deleted file mode 100644
index fb9c95361f46..000000000000
--- a/packages/react-native/scripts/hermes/prepare-hermes-for-build.js
+++ /dev/null
@@ -1,47 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow strict-local
- * @format
- */
-
-'use strict';
-
-/**
- * This script prepares Hermes to be built as part of the
- * iOS build pipeline on macOS.
- */
-const {
-  configureMakeForPrebuiltHermesC,
-  copyBuildScripts,
-  copyPodSpec,
-  downloadHermesSourceTarball,
-  expandHermesSourceTarball,
-  shouldBuildHermesFromSource,
-  shouldUsePrebuiltHermesC,
-} = require('./hermes-utils');
-
-async function main(isInCI /*: boolean */) {
-  if (!shouldBuildHermesFromSource(isInCI)) {
-    copyPodSpec();
-    return;
-  }
-  downloadHermesSourceTarball();
-  expandHermesSourceTarball();
-  copyPodSpec();
-  copyBuildScripts();
-
-  if (shouldUsePrebuiltHermesC('macos')) {
-    console.log('[Hermes] Using pre-built HermesC');
-    configureMakeForPrebuiltHermesC();
-  }
-}
-
-const isInCI = process.env.CI === 'true';
-
-void main(isInCI).then(() => {
-  process.exit(0);
-});
diff --git a/packages/react-native/scripts/ios-prebuild/hermes.js b/packages/react-native/scripts/ios-prebuild/hermes.js
index 1adab0fc4a1e..72c0c4c2073a 100644
--- a/packages/react-native/scripts/ios-prebuild/hermes.js
+++ b/packages/react-native/scripts/ios-prebuild/hermes.js
@@ -29,7 +29,7 @@ import type {BuildFlavor, Destination, Platform} from './types';
  * environment variable. If this varuable is set, the script will use the local tarball instead of downloading it.
  */
 async function prepareHermesArtifactsAsync(
-  version /*:string*/,
+  reactNativeVersion /*:string*/,
   buildType /*: BuildFlavor */,
 ) /*: Promise<string> */ {
   hermesLog(`Preparing Hermes...`);
@@ -54,7 +54,7 @@ async function prepareHermesArtifactsAsync(
   // Only check if the artifacts folder exists if we are not using a local tarball
   if (!localPath) {
     // Resolve the version from the environment variable or use the default version
-    let resolvedVersion = process.env.HERMES_VERSION ?? version;
+    let resolvedVersion = process.env.HERMES_VERSION ?? 'nightly';
 
     if (resolvedVersion === 'nightly') {
       hermesLog('Using latest nightly tarball');
@@ -104,7 +104,7 @@ async function prepareHermesArtifactsAsync(
 
 async function getNightlyVersionFromNPM() /*: Promise<string> */ {
   const npmResponse /*: Response */ = await fetch(
-    'https://registry.npmjs.org/react-native/nightly',
+    'https://registry.npmjs.org/hermes-compiler/nightly',
   );
 
   if (!npmResponse.ok) {
@@ -191,15 +191,15 @@ function getTarballUrl(
   // The mirror's structure must be the same of the Maven repo the react-native core team publishes on Maven Central.
   const mavenRepoUrl =
     process.env.ENTERPRISE_REPOSITORY ?? 'https://repo1.maven.org/maven2';
-  const namespace = 'com/facebook/react';
-  return `${mavenRepoUrl}/${namespace}/react-native-artifacts/${version}/react-native-artifacts-${version}-hermes-ios-${buildType.toLowerCase()}.tar.gz`;
+  const namespace = 'com/facebook/hermes';
+  return `${mavenRepoUrl}/${namespace}/hermes-ios/${version}/hermes-ios-${version}-hermes-ios-${buildType.toLowerCase()}.tar.gz`;
 }
 
 async function getNightlyTarballUrl(
   version /*: string */,
   buildType /*: BuildFlavor */,
 ) /*: Promise<string> */ {
-  const artifactCoordinate = 'react-native-artifacts';
+  const artifactCoordinate = 'hermes-ios';
   const artifactName = `hermes-ios-${buildType.toLowerCase()}.tar.gz`;
   return await computeNightlyTarballURL(
     version,
diff --git a/packages/react-native/scripts/ios-prebuild/utils.js b/packages/react-native/scripts/ios-prebuild/utils.js
index d9dec121dd55..6e8c2c77644e 100644
--- a/packages/react-native/scripts/ios-prebuild/utils.js
+++ b/packages/react-native/scripts/ios-prebuild/utils.js
@@ -65,7 +65,7 @@ async function computeNightlyTarballURL(
   artifactCoordinate /*: string */,
   artifactName /*: string */,
 ) /*: Promise<string> */ {
-  const xmlUrl = `https://central.sonatype.com/repository/maven-snapshots/com/facebook/react/${artifactCoordinate}/${version}-SNAPSHOT/maven-metadata.xml`;
+  const xmlUrl = `https://central.sonatype.com/repository/maven-snapshots/com/facebook/hermes/${artifactCoordinate}/${version}-SNAPSHOT/maven-metadata.xml`;
 
   const response = await fetch(xmlUrl);
   if (!response.ok) {
@@ -97,7 +97,7 @@ async function computeNightlyTarballURL(
   const buildNumber = buildNumberMatch[1];
 
   const fullVersion = `${version}-${timestamp}-${buildNumber}`;
-  const finalUrl = `https://central.sonatype.com/repository/maven-snapshots/com/facebook/react/${artifactCoordinate}/${version}-SNAPSHOT/${artifactCoordinate}-${fullVersion}-${artifactName}`;
+  const finalUrl = `https://central.sonatype.com/repository/maven-snapshots/com/facebook/hermes/${artifactCoordinate}/${version}-SNAPSHOT/${artifactCoordinate}-${fullVersion}-${artifactName}`;
   return finalUrl;
 }
 
diff --git a/packages/react-native/sdks/hermes-engine/hermes-engine.podspec b/packages/react-native/sdks/hermes-engine/hermes-engine.podspec
index 4ea59808e3db..9482518ba593 100644
--- a/packages/react-native/sdks/hermes-engine/hermes-engine.podspec
+++ b/packages/react-native/sdks/hermes-engine/hermes-engine.podspec
@@ -20,12 +20,12 @@ end
 
 # package.json
 package = JSON.parse(File.read(File.join(react_native_path, "package.json")))
-# TODO: T231755000 read hermes version from version.properties when consuming hermes
-version = package['version']
+versionProperties = Hash[*File.read("version.properties").split(/[=\n]+/)]
 
 if ENV['RCT_HERMES_V1_ENABLED'] == "1"
-  versionProperties = Hash[*File.read("version.properties").split(/[=\n]+/)]
   version = versionProperties['HERMES_V1_VERSION_NAME']
+else
+  version = versionProperties['HERMES_VERSION_NAME']
 end
 
 source_type = hermes_source_type(version, react_native_path)
@@ -70,8 +70,7 @@ Pod::Spec.new do |spec|
 
     # When using the local prebuilt tarball, it should include hermesc compatible with the used VM.
     # In other cases, when using Hermes V1, the prebuilt versioned binaries can be used.
-    # TODO: T236142916 hermesc should be consumed from NPM even when not using Hermes V1
-    if source_type != HermesEngineSourceType::LOCAL_PREBUILT_TARBALL && ENV['RCT_HERMES_V1_ENABLED'] == "1"
+    if source_type != HermesEngineSourceType::LOCAL_PREBUILT_TARBALL
       hermes_compiler_path = File.dirname(Pod::Executable.execute_command('node', ['-p',
         'require.resolve(
         "hermes-compiler",
diff --git a/packages/react-native/sdks/hermes-engine/hermes-utils.rb b/packages/react-native/sdks/hermes-engine/hermes-utils.rb
index 828370929978..f264ec1f3801 100644
--- a/packages/react-native/sdks/hermes-engine/hermes-utils.rb
+++ b/packages/react-native/sdks/hermes-engine/hermes-utils.rb
@@ -225,17 +225,10 @@ def release_tarball_url(version, build_type)
         ENV['ENTERPRISE_REPOSITORY'] :
         "https://repo1.maven.org/maven2"
 
-    if hermes_v1_enabled()
-        namespace = "com/facebook/hermes"
-        # Sample url from Maven:
-        # https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/0.14.0/hermes-ios-0.14.0-hermes-ios-debug.tar.gz
-        return "#{maven_repo_url}/#{namespace}/hermes-ios/#{version}/hermes-ios-#{version}-hermes-ios-#{build_type.to_s}.tar.gz"
-    else
-        namespace = "com/facebook/react"
-        # Sample url from Maven:
-        # https://repo1.maven.org/maven2/com/facebook/react/react-native-artifacts/0.71.0/react-native-artifacts-0.71.0-hermes-ios-debug.tar.gz
-        return "#{maven_repo_url}/#{namespace}/react-native-artifacts/#{version}/react-native-artifacts-#{version}-hermes-ios-#{build_type.to_s}.tar.gz"
-    end
+    namespace = "com/facebook/hermes"
+    # Sample url from Maven:
+    # https://repo1.maven.org/maven2/com/facebook/hermes/hermes-ios/0.14.0/hermes-ios-0.14.0-hermes-ios-debug.tar.gz
+    return "#{maven_repo_url}/#{namespace}/hermes-ios/#{version}/hermes-ios-#{version}-hermes-ios-#{build_type.to_s}.tar.gz"
 end
 
 def download_stable_hermes(react_native_path, version, configuration)
@@ -257,16 +250,9 @@ def download_hermes_tarball(react_native_path, tarball_url, version, configurati
 end
 
 def nightly_tarball_url(version)
-  # TODO: T231755027 update coordinates and versioning
-  artifact_coordinate = "react-native-artifacts"
+  artifact_coordinate = "hermes-ios"
   artifact_name = "hermes-ios-debug.tar.gz"
-  namespace = "com/facebook/react"
-
-  if hermes_v1_enabled()
-    artifact_coordinate = "hermes-ios"
-    artifact_name = "hermes-ios-debug.tar.gz"
-    namespace = "com/facebook/hermes"
-  end
+  namespace = "com/facebook/hermes"
 
   xml_url = "https://central.sonatype.com/repository/maven-snapshots/#{namespace}/#{artifact_coordinate}/#{version}-SNAPSHOT/maven-metadata.xml"
 
diff --git a/packages/react-native/sdks/hermes-engine/version.properties b/packages/react-native/sdks/hermes-engine/version.properties
index 0f5449c49f60..81629a9921cc 100644
--- a/packages/react-native/sdks/hermes-engine/version.properties
+++ b/packages/react-native/sdks/hermes-engine/version.properties
@@ -1 +1,2 @@
+HERMES_VERSION_NAME=1000.0.0
 HERMES_V1_VERSION_NAME=250829098.0.1
diff --git a/private/helloworld/android/app/build.gradle b/private/helloworld/android/app/build.gradle
index b7518d235d4b..2b7bf819e0b1 100644
--- a/private/helloworld/android/app/build.gradle
+++ b/private/helloworld/android/app/build.gradle
@@ -115,5 +115,5 @@ android {
 dependencies {
     // The version of react-native is set by the React Native Gradle Plugin
     implementation("com.facebook.react:react-android")
-    implementation("com.facebook.react:hermes-android")
+    implementation("com.facebook.hermes:hermes-android")
 }
diff --git a/scripts/release-testing/test-release-local.js b/scripts/release-testing/test-release-local.js
index fba9a0254ff6..b0cfebf19ba5 100644
--- a/scripts/release-testing/test-release-local.js
+++ b/scripts/release-testing/test-release-local.js
@@ -17,6 +17,8 @@
  * and to make it more accessible for other devs to play around with.
  */
 
+import {getPackageVersionStrByTag} from '../releases/utils/npm-utils';
+
 const {initNewProjectFromSource} = require('../e2e/init-project-e2e');
 const {REPO_ROOT} = require('../shared/consts');
 const {
@@ -248,7 +250,28 @@ async function testRNTestProject(
       ? path.join(ciArtifacts.baseTmpPath(), 'maven-local')
       : '/private/tmp/maven-local';
 
-  const {hermesPath, newLocalNodeTGZ} = await prepareArtifacts(
+  const latestHermesCommitly = await getPackageVersionStrByTag(
+    'hermes-compiler',
+    'nightly',
+  );
+  const latestHermesV1 = await getPackageVersionStrByTag(
+    'hermes-compiler',
+    'latest-v1',
+  );
+  sed(
+    '-i',
+    'HERMES_VERSION_NAME=.*',
+    `HERMES_VERSION_NAME=${latestHermesCommitly}`,
+    'sdks/hermes-engine/version.properties',
+  );
+  sed(
+    '-i',
+    'HERMES_V1_VERSION_NAME=.*',
+    `HERMES_V1_VERSION_NAME=${latestHermesV1}`,
+    'sdks/hermes-engine/version.properties',
+  );
+
+  const {newLocalNodeTGZ} = await prepareArtifacts(
     ciArtifacts,
     mavenLocalPath,
     localNodeTGZPath,
@@ -313,9 +336,7 @@ async function testRNTestProject(
     // doing the pod install here so that it's easier to play around RNTestProject
     cd('ios');
     exec('bundle install');
-    exec(
-      `HERMES_ENGINE_TARBALL_PATH=${hermesPath} USE_HERMES=1 bundle exec pod install --ansi`,
-    );
+    exec(`USE_HERMES=1 bundle exec pod install --ansi`);
 
     cd('..');
     exec('npm run ios');
diff --git a/scripts/release-testing/utils/testing-utils.js b/scripts/release-testing/utils/testing-utils.js
index 866478f3effb..629fe271a5c7 100644
--- a/scripts/release-testing/utils/testing-utils.js
+++ b/scripts/release-testing/utils/testing-utils.js
@@ -10,13 +10,8 @@
 
 'use strict';
 
-const {
-  downloadHermesSourceTarball,
-  expandHermesSourceTarball,
-} = require('../../../packages/react-native/scripts/hermes/hermes-utils.js');
 const {
   generateAndroidArtifacts,
-  generateiOSArtifacts,
 } = require('../../releases/utils/release-utils');
 const ghaArtifactsUtils = require('./github-actions-utils.js');
 const fs = require('fs');
@@ -24,7 +19,7 @@ const fs = require('fs');
 const {spawn} = require('node:child_process');
 const os = require('os');
 const path = require('path');
-const {cp, exec} = require('shelljs');
+const {exec} = require('shelljs');
 
 /*::
 type BuildType = 'dry-run' | 'release' | 'nightly';
@@ -182,18 +177,12 @@ async function downloadArtifacts(
   localNodeTGZPath /*: string */,
 ) {
   const mavenLocalURL = await ciArtifacts.artifactURLForMavenLocal();
-  const hermesURLZip = await ciArtifacts.artifactURLHermesDebug();
   const reactNativeURLZip = await ciArtifacts.artifactURLForReactNative();
 
   // Cleanup destination folder
   exec(`rm -rf ${ciArtifacts.baseTmpPath()}`);
   exec(`mkdir ${ciArtifacts.baseTmpPath()}`);
 
-  const hermesPathZip = path.join(
-    ciArtifacts.baseTmpPath(),
-    'hermes-ios-debug.zip',
-  );
-
   const mavenLocalZipPath = `${mavenLocalPath}.zip`;
   console.info(
     `\n[Download] Maven Local Artifacts from ${mavenLocalURL} into ${mavenLocalZipPath}`,
@@ -202,15 +191,6 @@ async function downloadArtifacts(
   console.info(`Unzipping into ${mavenLocalPath}`);
   exec(`unzip -oq ${mavenLocalZipPath} -d ${mavenLocalPath}`);
 
-  console.info('\n[Download] Hermes');
-  ciArtifacts.downloadArtifact(hermesURLZip, hermesPathZip);
-  exec(`unzip ${hermesPathZip} -d ${ciArtifacts.baseTmpPath()}/hermes`);
-  const hermesPath = path.join(
-    ciArtifacts.baseTmpPath(),
-    'hermes',
-    'hermes-ios-debug.tar.gz',
-  );
-
   console.info(`\n[Download] React Native from  ${reactNativeURLZip}`);
   const reactNativeDestPath = path.join(
     ciArtifacts.baseTmpPath(),
@@ -239,7 +219,7 @@ async function downloadArtifacts(
   const reactNativeTGZ = path.join(reactNativeDestPath, tgzName);
   exec(`mv ${reactNativeTGZ} ${newLocalNodeTGZ}`);
 
-  return {hermesPath, newLocalNodeTGZ};
+  return {newLocalNodeTGZ};
 }
 
 function buildArtifactsLocally(
@@ -261,48 +241,6 @@ function buildArtifactsLocally(
 
   // Generate native files for Android
   generateAndroidArtifacts(releaseVersion);
-
-  // Generate iOS Artifacts
-  const jsiFolder = `${reactNativePackagePath}/ReactCommon/jsi`;
-  const hermesCoreSourceFolder = `${reactNativePackagePath}/sdks/hermes`;
-
-  if (!fs.existsSync(hermesCoreSourceFolder)) {
-    console.info('The Hermes source folder is missing. Downloading...');
-    downloadHermesSourceTarball();
-    expandHermesSourceTarball();
-  }
-
-  // need to move the scripts inside the local hermes cloned folder
-  // cp sdks/hermes-engine/utils/*.sh <your_hermes_checkout>/utils/.
-  cp(
-    `${reactNativePackagePath}/sdks/hermes-engine/hermes-engine.podspec`,
-    `${reactNativePackagePath}/sdks/hermes/hermes-engine.podspec`,
-  );
-  cp(
-    `${reactNativePackagePath}/sdks/hermes-engine/hermes-utils.rb`,
-    `${reactNativePackagePath}/sdks/hermes/hermes-utils.rb`,
-  );
-  cp(
-    `${reactNativePackagePath}/sdks/hermes-engine/utils/*.sh`,
-    `${reactNativePackagePath}/sdks/hermes/utils/.`,
-  );
-
-  // for this scenario, we only need to create the debug build
-  // (env variable PRODUCTION defines that podspec side)
-  const buildTypeiOSArtifacts = 'Debug';
-
-  // the android ones get set into /private/tmp/maven-local
-  const localMavenPath = '/private/tmp/maven-local';
-
-  // Generate native files for iOS
-  const hermesPath = generateiOSArtifacts(
-    jsiFolder,
-    hermesCoreSourceFolder,
-    buildTypeiOSArtifacts,
-    localMavenPath,
-  );
-
-  return hermesPath;
 }
 
 /**
@@ -315,9 +253,6 @@ function buildArtifactsLocally(
  * - @releaseVersion the version that is about to be released.
  * - @buildType the type of build we want to execute if we build locally.
  * - @reactNativePackagePath the path to the react native package within the repo.
- *
- * Returns:
- * - @hermesPath the path to hermes for iOS
  */
 async function prepareArtifacts(
   ciArtifacts /*: ?typeof ghaArtifactsUtils */,
@@ -326,17 +261,16 @@ async function prepareArtifacts(
   releaseVersion /*: string */,
   buildType /*: BuildType */,
   reactNativePackagePath /*: string */,
-) /*: Promise<{hermesPath: string, newLocalNodeTGZ: string }> */ {
-  return ciArtifacts != null
-    ? await downloadArtifacts(ciArtifacts, mavenLocalPath, localNodeTGZPath)
-    : {
-        hermesPath: buildArtifactsLocally(
-          releaseVersion,
-          buildType,
-          reactNativePackagePath,
-        ),
-        newLocalNodeTGZ: localNodeTGZPath,
-      };
+) /*: Promise<{newLocalNodeTGZ: string }> */ {
+  if (ciArtifacts == null) {
+    buildArtifactsLocally(releaseVersion, buildType, reactNativePackagePath);
+
+    return {
+      newLocalNodeTGZ: localNodeTGZPath,
+    };
+  }
+
+  return downloadArtifacts(ciArtifacts, mavenLocalPath, localNodeTGZPath);
 }
 
 module.exports = {
diff --git a/scripts/releases-ci/__tests__/publish-npm-test.js b/scripts/releases-ci/__tests__/publish-npm-test.js
index 28f711b17ab1..a494dc31a57e 100644
--- a/scripts/releases-ci/__tests__/publish-npm-test.js
+++ b/scripts/releases-ci/__tests__/publish-npm-test.js
@@ -20,6 +20,7 @@ const publishPackageMock = jest.fn();
 const getNpmInfoMock = jest.fn();
 const generateAndroidArtifactsMock = jest.fn();
 const getPackagesMock = jest.fn();
+const updateHermesVersionsToNightlyMock = jest.fn();
 
 const {REPO_ROOT} = require('../../shared/consts');
 const {publishNpm} = require('../publish-npm');
@@ -53,6 +54,9 @@ describe('publish-npm', () => {
         ...jest.requireActual('../../releases/utils/npm-utils'),
         publishPackage: publishPackageMock,
         getNpmInfo: getNpmInfoMock,
+      }))
+      .mock('../../releases/utils/hermes-utils', () => ({
+        updateHermesVersionsToNightly: updateHermesVersionsToNightlyMock,
       }));
   });
 
@@ -98,6 +102,7 @@ describe('publish-npm', () => {
 
       await publishNpm('dry-run');
 
+      expect(updateHermesVersionsToNightlyMock).toHaveBeenCalled();
       expect(setVersionMock).not.toBeCalled();
       expect(updateReactNativeArtifactsMock).toBeCalledWith(version, 'dry-run');
 
@@ -155,6 +160,8 @@ describe('publish-npm', () => {
       // Generate Android artifacts is now delegate to build_android entirely
       expect(generateAndroidArtifactsMock).not.toHaveBeenCalled();
 
+      expect(updateHermesVersionsToNightlyMock).toHaveBeenCalled();
+
       expect(publishPackageMock.mock.calls).toEqual([
         [
           'path/to/monorepo/pkg-a',
diff --git a/scripts/releases-ci/publish-npm.js b/scripts/releases-ci/publish-npm.js
index 8d5b8ff2e1f1..75193c1f4ca7 100755
--- a/scripts/releases-ci/publish-npm.js
+++ b/scripts/releases-ci/publish-npm.js
@@ -18,6 +18,9 @@ const {
   updateReactNativeArtifacts,
 } = require('../releases/set-rn-artifacts-version');
 const {setVersion} = require('../releases/set-version');
+const {
+  updateHermesVersionsToNightly,
+} = require('../releases/utils/hermes-utils');
 const {getNpmInfo, publishPackage} = require('../releases/utils/npm-utils');
 const {
   publishAndroidArtifactsToMaven,
@@ -96,6 +99,9 @@ async function publishNpm(buildType /*: BuildType */) /*: Promise<void> */ {
 
   // For stable releases, ci job `prepare_package_for_release` handles this
   if (buildType === 'nightly') {
+    // Set hermes versions to latest available
+    await updateHermesVersionsToNightly();
+
     // Set same version for all monorepo packages
     await setVersion(version);
     await publishMonorepoPackages(tag);
@@ -113,6 +119,8 @@ async function publishNpm(buildType /*: BuildType */) /*: Promise<void> */ {
     const packageJson = JSON.parse(packageJsonContent);
 
     if (packageJson.version === '1000.0.0') {
+      // Set hermes versions to latest available
+      await updateHermesVersionsToNightly();
       await updateReactNativeArtifacts(version, buildType);
     }
   }
diff --git a/scripts/releases/set-rn-artifacts-version.js b/scripts/releases/set-rn-artifacts-version.js
index 9341d5951062..bf8671237180 100755
--- a/scripts/releases/set-rn-artifacts-version.js
+++ b/scripts/releases/set-rn-artifacts-version.js
@@ -155,8 +155,6 @@ function updateTestFiles(
 async function updateGradleFile(version /*: string */) /*: Promise<void> */ {
   const contents = await fs.readFile(GRADLE_FILE_PATH, 'utf-8');
 
-  // TODO: T231755027 set HERMES_VERSION_NAME
-
   return fs.writeFile(
     GRADLE_FILE_PATH,
     contents.replace(/^VERSION_NAME=.*/, `VERSION_NAME=${version}`),
diff --git a/scripts/releases/use-hermes-nightly.js b/scripts/releases/use-hermes-nightly.js
new file mode 100644
index 000000000000..5dc782e93d14
--- /dev/null
+++ b/scripts/releases/use-hermes-nightly.js
@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+'use strict';
+
+const {updateHermesVersionsToNightly} = require('./utils/hermes-utils');
+
+async function main() {
+  await updateHermesVersionsToNightly();
+}
+
+if (require.main === module) {
+  void main();
+}
diff --git a/scripts/releases/utils/hermes-utils.js b/scripts/releases/utils/hermes-utils.js
new file mode 100644
index 000000000000..37b57893663c
--- /dev/null
+++ b/scripts/releases/utils/hermes-utils.js
@@ -0,0 +1,99 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+const {REACT_NATIVE_PACKAGE_DIR} = require('../../shared/consts');
+const {
+  getPackages,
+  getWorkspaceRoot,
+  updatePackageJson,
+} = require('../../shared/monorepoUtils');
+const {getPackageVersionStrByTag} = require('./npm-utils');
+const {promises: fs} = require('fs');
+const path = require('path');
+
+const MAVEN_VERSIONS_FILE_PATH = path.join(
+  REACT_NATIVE_PACKAGE_DIR,
+  'sdks',
+  'hermes-engine',
+  'version.properties',
+);
+
+async function getLatestHermesNightlyVersion() /*: Promise<{
+  compilerVersion: string,
+  runtimeVersion: string,
+  runtimeV1Version: string,
+}> */ {
+  // fetch the latest commitly version of hermes v0
+  const compilerVersion = await getPackageVersionStrByTag(
+    'hermes-compiler',
+    'nightly',
+  );
+  // fetch the latest version of hermes v1
+  const compilerV1Version = await getPackageVersionStrByTag(
+    'hermes-compiler',
+    'latest-v1',
+  );
+
+  return {
+    compilerVersion,
+    // runtime version should match the compiler version
+    runtimeVersion: compilerVersion,
+    runtimeV1Version: compilerV1Version,
+  };
+}
+
+async function updateHermesCompilerVersionInDependencies(
+  hermesVersion /*: string */,
+) /*: Promise<void> */ {
+  const packages = await getPackages({
+    includePrivate: true,
+    includeReactNative: true,
+  });
+
+  const packagesToUpdate = [
+    await getWorkspaceRoot(),
+    ...Object.values(packages),
+  ];
+
+  // Update generated files in packages/react-native/
+  await Promise.all(
+    packagesToUpdate.map(pkg =>
+      updatePackageJson(pkg, {'hermes-compiler': hermesVersion}),
+    ),
+  );
+}
+
+async function updateHermesRuntimeDependenciesVersions(
+  hermesVersion /*: string */,
+  hermesV1Version /*: string */,
+) /*: Promise<void> */ {
+  const newVersionsFile =
+    `HERMES_VERSION_NAME=${hermesVersion}\n` +
+    `HERMES_V1_VERSION_NAME=${hermesV1Version}`;
+
+  await fs.writeFile(MAVEN_VERSIONS_FILE_PATH, newVersionsFile.trim() + '\n');
+}
+
+async function updateHermesVersionsToNightly() {
+  const hermesVersions = await getLatestHermesNightlyVersion();
+  await updateHermesCompilerVersionInDependencies(
+    hermesVersions.compilerVersion,
+  );
+  await updateHermesRuntimeDependenciesVersions(
+    hermesVersions.runtimeVersion,
+    hermesVersions.runtimeV1Version,
+  );
+}
+
+module.exports = {
+  updateHermesVersionsToNightly,
+  updateHermesCompilerVersionInDependencies,
+  updateHermesRuntimeDependenciesVersions,
+};
diff --git a/scripts/releases/utils/npm-utils.js b/scripts/releases/utils/npm-utils.js
index 97889e85d540..fa721ad59054 100644
--- a/scripts/releases/utils/npm-utils.js
+++ b/scripts/releases/utils/npm-utils.js
@@ -174,4 +174,5 @@ function getPackageVersionStrByTag(
 module.exports = {
   getNpmInfo,
   publishPackage,
+  getPackageVersionStrByTag,
 };
diff --git a/scripts/releases/utils/release-utils.js b/scripts/releases/utils/release-utils.js
index e577cc0543b1..207d6ded4ab1 100644
--- a/scripts/releases/utils/release-utils.js
+++ b/scripts/releases/utils/release-utils.js
@@ -10,10 +10,7 @@
 
 'use strict';
 
-const {
-  createHermesPrebuiltArtifactsTarball,
-} = require('../../../packages/react-native/scripts/hermes/hermes-utils');
-const {echo, exec, exit, popd, pushd, test} = require('shelljs');
+const {echo, exec, exit, test} = require('shelljs');
 
 /*::
 type BuildType = 'dry-run' | 'release' | 'nightly';
@@ -120,35 +117,6 @@ function publishExternalArtifactsToMaven(
   echo('Finished publishing external artifacts to Maven Central');
 }
 
-function generateiOSArtifacts(
-  jsiFolder /*: string */,
-  hermesCoreSourceFolder /*: string */,
-  buildType /*: 'Debug' | string */,
-  targetFolder /*: string */,
-) /*: string */ {
-  pushd(`${hermesCoreSourceFolder}`);
-
-  //Generating iOS Artifacts
-  exec(
-    `JSI_PATH=${jsiFolder} BUILD_TYPE=${buildType} ${hermesCoreSourceFolder}/utils/build-mac-framework.sh`,
-  );
-
-  exec(
-    `JSI_PATH=${jsiFolder} BUILD_TYPE=${buildType} ${hermesCoreSourceFolder}/utils/build-ios-framework.sh`,
-  );
-
-  popd();
-
-  const tarballOutputPath = createHermesPrebuiltArtifactsTarball(
-    hermesCoreSourceFolder,
-    buildType,
-    targetFolder,
-    true, // this is excludeDebugSymbols, we keep it as the default
-  );
-
-  return tarballOutputPath;
-}
-
 function failIfTagExists(version /*: string */, buildType /*: BuildType */) {
   // When dry-run in stable branch, the tag already exists.
   // We are bypassing the tag-existence check when in a dry-run to have the CI pass
@@ -175,7 +143,6 @@ function checkIfTagExists(version /*: string */) {
 
 module.exports = {
   generateAndroidArtifacts,
-  generateiOSArtifacts,
   publishAndroidArtifactsToMaven,
   publishExternalArtifactsToMaven,
   failIfTagExists,