godotjs · Benjamin-Dobell · Apr 20, 2026 · Apr 17, 2026 · Apr 19, 2026
diff --git a/.changeset/lemon-candies-hide.md b/.changeset/lemon-candies-hide.md
@@ -0,0 +1,5 @@
+---
+"@godot-js/editor": minor
+---
+
+feat: JSWorker for all runtimes (not just V8) + Node transfers
diff --git a/.github/actions/pnpm-build/action.yml → .github/actions/pnpm-install/action.yml b/.github/actions/pnpm-build/action.yml → .github/actions/pnpm-install/action.yml
@@ -1,19 +1,18 @@
-name: PNPM Build
-description: Setup pnpm, install dependencies, and build
+name: pnpm Install
+description: Setup pnpm, install dependencies
 runs:
   using: composite
   steps:
     - name: 🛫 Setup pnpm
-      uses: pnpm/action-setup@v4
+      uses: pnpm/action-setup@v6
 
     - name: 🦕❌ Setup node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v5
       with:
-        node-version: 22
+        node-version: 24
         cache: "pnpm"
 
     - name: 🛠️ Install dependencies & build
       run: |
         pnpm install
-        pnpm build
       shell: bash
diff --git a/.github/actions/upload-asset/action.yml b/.github/actions/upload-asset/action.yml
@@ -29,7 +29,7 @@ runs:
       shell: bash
 
     - name: ⏬ Download build
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v8
       with:
         name: ${{ steps.name.outputs.name }}
         path: ${{ steps.name.outputs.name }}
@@ -39,7 +39,7 @@ runs:
       shell: bash
 
     - name: ⏫ Upload Release Asset
-      uses: actions/github-script@v6
+      uses: actions/github-script@v9
       with:
         github-token: ${{ inputs.token }}
         result-encoding: json

diff --git a/.github/workflows/build_android.yml b/.github/workflows/build_android.yml
@@ -68,7 +68,7 @@ jobs:
         continue-on-error: true
 
       - name: Download scripts/out
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: scripts-out
           path: ${{github.workspace}}/modules/GodotJS/scripts/out

diff --git a/.github/workflows/build_ios.yml b/.github/workflows/build_ios.yml
@@ -36,9 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        # JSC isn't working at the moment
-        #        engine: [ v8, qjs-ng, jsc ]
-        engine: [ v8, qjs-ng ]
+        engine: [ v8, qjs-ng, jsc ]
         target: ${{ inputs.release && fromJSON('["template_release","template_debug"]') || fromJSON('["template_debug"]') }}
     steps:
       - name: Checkout Godot
@@ -66,7 +64,7 @@ jobs:
           cache-name: ios-${{ matrix.target }}-${{inputs.version}}-${{ matrix.engine }}
 
       - name: Download scripts/out
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: scripts-out
           path: ${{github.workspace}}/modules/GodotJS/scripts/out
@@ -80,6 +78,7 @@ jobs:
           scons-flags: >-
             ${{ env.SCONS_FLAGS }}
             ${{ matrix.engine == 'qjs-ng' && 'use_quickjs_ng=yes' || '' }}
+            ${{ matrix.engine == 'jsc' && 'use_jsc=yes' || '' }}
           platform: ios
           target: ${{ matrix.target }}
 

diff --git a/.github/workflows/build_linux.yml b/.github/workflows/build_linux.yml
@@ -78,18 +78,11 @@ jobs:
         continue-on-error: true
 
       - name: Download scripts/out
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: scripts-out
           path: ${{github.workspace}}/modules/GodotJS/scripts/out
 
-      - name: Download tests/project
-        if: ${{ !inputs.release && matrix.target == 'editor' }}
-        uses: actions/download-artifact@v4
-        with:
-          name: tests-project
-          path: ${{github.workspace}}/modules/GodotJS/tests/project/.godot/GodotJS
-
       - name: Setup Python and SCons
         uses: ./.github/actions/godot-deps
 
@@ -129,6 +122,26 @@ jobs:
             ${{ !inputs.release && matrix.target == 'editor' && 'tests=yes' || '' }}
           platform: linuxbsd
 
+      - name: Setup pnpm
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        uses: pnpm/action-setup@v6
+        with:
+          version: 10.11.0
+
+      - name: Setup Node.js
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        uses: actions/setup-node@v5
+        with:
+          node-version: 24
+
+      - name: Build tests/project
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        shell: bash
+        run: |
+          set -euo pipefail
+          pnpm -C "${{ github.workspace }}/modules/GodotJS/tests/project" install --ignore-workspace
+          GODOT="${{ github.workspace }}/bin/godot.linuxbsd.editor.x86_64" pnpm -C "${{ github.workspace }}/modules/GodotJS/tests/project" build
+
       - name: Save Godot build cache
         uses: ./.github/actions/godot-cache-save
         with:

diff --git a/.github/workflows/build_macos.yml b/.github/workflows/build_macos.yml
@@ -35,7 +35,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        engine: [v8, qjs-ng]
+        engine: [v8, qjs-ng, jsc]
         target: ${{ inputs.release && fromJSON('["editor","template_release","template_debug"]') || fromJSON('["editor"]') }}
     steps:
       # From https://github.com/actions/runner-images/blob/main/images/macos
@@ -96,32 +96,29 @@ jobs:
         run: |
           if sh misc/scripts/install_vulkan_sdk_macos.sh; then
             echo "VULKAN_ENABLED=yes" >> "$GITHUB_OUTPUT"
+            latest_sdk="$(ls -dt "$HOME"/VulkanSDK/* 2>/dev/null | head -n1 || true)"
+            echo "VULKAN_SDK_PATH=$latest_sdk" >> "$GITHUB_OUTPUT"
           else
             echo "::warning::macOS: Vulkan SDK installation failed, building without Vulkan support."
             echo "VULKAN_ENABLED=no" >> "$GITHUB_OUTPUT"
+            echo "VULKAN_SDK_PATH=" >> "$GITHUB_OUTPUT"
           fi
         continue-on-error: true
 
       - name: Download scripts/out
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: scripts-out
           path: ${{github.workspace}}/modules/GodotJS/scripts/out
 
-      - name: Download tests/project
-        if: ${{ !inputs.release && matrix.target == 'editor' }}
-        uses: actions/download-artifact@v4
-        with:
-          name: tests-project
-          path: ${{github.workspace}}/modules/GodotJS/tests/project/.godot/GodotJS
-
       - name: Compilation (x86_64)
         uses: ./.github/actions/godot-build
         with:
           scons-flags: >-
             ${{ env.SCONS_FLAGS }}
             ${{ matrix.target != 'editor' && 'debug_symbols=no' || '' }}
             ${{ matrix.engine == 'qjs-ng' && 'use_quickjs_ng=yes' || '' }}
+            ${{ matrix.engine == 'jsc' && 'use_jsc=yes' || '' }}
             arch=x86_64
             vulkan=${{ steps.vulkan-sdk.outputs.VULKAN_ENABLED }}
             ${{ !inputs.release && matrix.target == 'editor' && 'tests=yes' || '' }}
@@ -135,6 +132,7 @@ jobs:
             ${{ env.SCONS_FLAGS }}
             ${{ matrix.target != 'editor' && 'debug_symbols=no' || '' }}
             ${{ matrix.engine == 'qjs-ng' && 'use_quickjs_ng=yes' || '' }}
+            ${{ matrix.engine == 'jsc' && 'use_jsc=yes' || '' }}
             arch=arm64
             vulkan=${{ steps.vulkan-sdk.outputs.VULKAN_ENABLED }}
             ${{ !inputs.release && matrix.target == 'editor' && 'tests=yes' || '' }}
@@ -160,6 +158,28 @@ jobs:
           strip bin/godot.*
           chmod +x bin/godot.*
 
+      - name: Setup pnpm
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        uses: pnpm/action-setup@v6
+        with:
+          version: 10.11.0
+
+      - name: Setup Node.js
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        uses: actions/setup-node@v5
+        with:
+          node-version: 24
+
+      - name: Build tests/project
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        shell: bash
+        env:
+          VULKAN_SDK_PATH: ${{ steps.vulkan-sdk.outputs.VULKAN_SDK_PATH }}
+        run: |
+          set -euo pipefail
+          pnpm -C "${{ github.workspace }}/modules/GodotJS/tests/project" install --ignore-workspace
+          GODOT="${{ github.workspace }}/bin/godot.macos.editor.universal" pnpm -C "${{ github.workspace }}/modules/GodotJS/tests/project" build
+
       - name: Upload artifact
         uses: ./.github/actions/upload-artifact
         with:
@@ -181,7 +201,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        engine: [v8, qjs-ng]
+        engine: [v8, qjs-ng, jsc]
     steps:
       - name: Checkout Godot
         uses: actions/checkout@v6
@@ -191,7 +211,7 @@ jobs:
           submodules: recursive
 
       - name: ⏬ Download editor
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: macos-editor-${{inputs.version}}-${{ matrix.engine }}
           path: macos-editor-${{inputs.version}}-${{ matrix.engine }}
@@ -205,20 +225,20 @@ jobs:
           chmod +x editor-app/Godot.app/Contents/MacOS/Godot
 
       - name: ⏫ Upload editor app
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: macos-editor-app-${{inputs.version}}-${{ matrix.engine }}
           path: editor-app
 
       - name: ⏬ Download template-release
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         if: ${{ inputs.release }}
         with:
           name: macos-template_release-${{inputs.version}}-${{ matrix.engine }}
           path: macos-template_release-${{inputs.version}}-${{ matrix.engine }}
 
       - name: ⏬ Download template-debug
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         if: ${{ inputs.release }}
         with:
           name: macos-template_debug-${{inputs.version}}-${{ matrix.engine }}
@@ -236,7 +256,7 @@ jobs:
 
       - name: ⏫ Upload template app
         if: ${{ inputs.release }}
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: macos-template-app-${{inputs.version}}-${{ matrix.engine }}
           path: template-app
diff --git a/.github/workflows/build_web.yml b/.github/workflows/build_web.yml
@@ -62,14 +62,14 @@ jobs:
           submodules: recursive
 
       - name: Download scripts/out
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: scripts-out
           path: ${{github.workspace}}/modules/GodotJS/scripts/out
 
       - name: Download impl/web/js
         if: matrix.engine == 'browser'
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: impl-web-js
           path: ${{github.workspace}}/modules/GodotJS/impl/web/js

diff --git a/.github/workflows/build_windows.yml b/.github/workflows/build_windows.yml
@@ -66,18 +66,11 @@ jobs:
         continue-on-error: true
 
       - name: Download scripts/out
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v8
         with:
           name: scripts-out
           path: ${{github.workspace}}/modules/GodotJS/scripts/out
 
-      - name: Download tests/project
-        if: ${{ !inputs.release && matrix.target == 'editor' }}
-        uses: actions/download-artifact@v4
-        with:
-          name: tests-project
-          path: ${{github.workspace}}/modules/GodotJS/tests/project/.godot/GodotJS
-
       - name: Setup Python and SCons
         uses: ./.github/actions/godot-deps
 
@@ -151,6 +144,26 @@ jobs:
         run: |
           Remove-Item bin/* -Include *.exp,*.lib,*.pdb -Force
 
+      - name: Setup pnpm
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        uses: pnpm/action-setup@v6
+        with:
+          version: 10.11.0
+
+      - name: Setup Node.js
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        uses: actions/setup-node@v5
+        with:
+          node-version: 24
+
+      - name: Build tests/project
+        if: ${{ !inputs.release && matrix.target == 'editor' }}
+        shell: pwsh
+        run: |
+          $env:GODOT = "${{ github.workspace }}/bin/godot.windows.editor.x86_64.exe"
+          pnpm -C "${{ github.workspace }}/modules/GodotJS/tests/project" install --ignore-workspace
+          pnpm -C "${{ github.workspace }}/modules/GodotJS/tests/project" build
+
       - name: Upload artifact
         uses: ./.github/actions/upload-artifact
         with:

diff --git a/.github/workflows/misc_changesets.yml b/.github/workflows/misc_changesets.yml
@@ -21,12 +21,12 @@ jobs:
         uses: actions/checkout@v6
 
       - name: 🛫 Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v6
 
       - name: 🦕❌ Setup node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
-          node-version: 20
+          node-version: 24
           cache: "pnpm"
 
       - name: 🛠️ Install dependencies

diff --git a/.github/workflows/misc_environment.yml b/.github/workflows/misc_environment.yml
@@ -10,25 +10,23 @@ jobs:
       - name: ⏬ Checkout repository
         uses: actions/checkout@v6
 
-      - name: 🛠️ pnpm and build
-        uses: ./.github/actions/pnpm-build
+      - name: 🛠️ pnpm install
+        uses: ./.github/actions/pnpm-install
+
+      - name: 🛠️ pnpm build
+        run: |
+          pnpm build
+        shell: bash
 
       - name: ⬆️ Upload scripts/out
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: scripts-out
           path: ${{github.workspace}}/scripts/out
           retention-days: 10
 
-      - name: ⬆️ Upload tests/project
-        uses: actions/upload-artifact@v4
-        with:
-          name: tests-project
-          path: ${{github.workspace}}/tests/project/.godot/GodotJS
-          retention-days: 10
-
       - name: ⬆️ Upload impl/web/js
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: impl-web-js
           path: ${{github.workspace}}/impl/web/js

diff --git a/.github/workflows/misc_release.yml b/.github/workflows/misc_release.yml
@@ -19,12 +19,12 @@ jobs:
         uses: actions/checkout@v6
 
       - name: 🛫 Setup pnpm
-        uses: pnpm/action-setup@v4
+        uses: pnpm/action-setup@v6
 
       - name: 🦕❌ Setup node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
         with:
-          node-version: 22
+          node-version: 25
           cache: "pnpm"
 
       - name: 🔄️ Install dependencies