Issues

• build-for-testing reports 'X is missing a dependency on Y' for the dynamic variant of a package target that declares the dependency

  swiftlang/swift-build#1801 · Filter by author tadeucbm opened on Sep 28, 2026
  2

• Cached build plan keeps the Metal Toolchain's old cryptex mount path; swift build fails after a remount/reboot

  swiftlang/swift-build#1798 · Filter by author cybercussion opened on Sep 28, 2026

• Swift Build crashes on Linux during build planning: DispatchIO on pipes hits a libdispatch use-after-free

  swiftlang/swift-build#1786 · Filter by author FranzBusch opened on Sep 24, 2026
  1

• SwiftPM Swift Build child jobs do not retain a confined TMPDIR

  swiftlang/swift-build#1784 · Filter by author henrymodisett opened on Sep 24, 2026

• Diamond resolution emits LC_LOAD_DYLIB for empty dynamic products that native builds link statically

  swiftlang/swift-build#1778 · Filter by author vsarunas opened on Sep 23, 2026
  1

• xcconfig propagation to SwiftPM package targets depends on how it's attached

  swiftlang/swift-build#1758 · Filter by author Ryu0118 opened on Sep 20, 2026

• Generated resource bundle accessor traps on WASI by going through Bundle.main

  swiftlang/swift-build#1757 · Filter by author tothambrus11 opened on Sep 20, 2026

• swiftbuild: binaryTarget xcframework Headers/module.modulemap collide in shared include/ (headers-path sibling of #1242, not fixed by #1244)

  swiftlang/swift-build#1746 · Filter by author Par-B opened on Sep 17, 2026

• Toolsets are disabled for Android

  android
  swiftlang/swift-build#1704 · Filter by author finagolfin opened on Sep 4, 2026

• All cross-compilation SDK bundles are incorrectly passing -sysroot to swiftc along with the correct -sdk/-resource-dir flags

  android
  swiftlang/swift-build#1703 · Filter by author finagolfin opened on Sep 4, 2026

• [FileCopyTaskAction] Injected codeless-framework stubs retain the linker's temporary signing identifier

  swiftlang/swift-build#1663 · Filter by author Brett-Best opened on Aug 24, 2026

• Windows: Touch task on a bundle directory copies its contents into the working directory

  swiftlang/swift-build#1641 · Filter by author tothambrus11 opened on Aug 15, 2026

• Using the new build system causes the second build to fail with "unable to resolve module dependency"

  swiftlang/swift-build#1638 · Filter by author itingliu opened on Aug 14, 2026
  2

• Swift SDKs won't compile for non-matching target arch with swiftbuild system in 6.4

  swiftlang/swift-build#1574 · Filter by author xtremekforever opened on Jul 28, 2026
  

• Regression compared to native: Using -warnings-as-errors & -suppress-warnings results in build error

  swiftlang/swift-build#1512 · Filter by author MahdiBM opened on Jul 6, 2026
  1

• SWBBuildServer returns -32001 "No build description" for requests in the post-handshake window before async build description generation completes

  swiftlang/swift-build#1509 · Filter by author silentswordfish opened on Jul 5, 2026

• CopyFilesTaskProducer fails to copy framework shared leaf nodes

  swiftlang/swift-build#1482 · Filter by author danielpunkass opened on Jun 24, 2026

• New test output is harder to follow and dumps extra libTesting output

  swiftlang/swift-build#1445 · Filter by author finagolfin opened on Jun 5, 2026
  4

• unable to find sdk '<platform>' when building Swift package against a Swift SDK with target-platform specialization

  swiftlang/swift-build#1325 · Filter by author MaxDesiatov opened on Apr 20, 2026

• ObjectLibraryAssembler duplicate detection is case-sensitive, fails on NTFS

  windows
  swiftlang/swift-build#1313 · Filter by author roman-bcny opened on Apr 16, 2026
  3

• Decide on final semantics for Android NDK lookup

  android
  swiftlang/swift-build#1279 · Filter by author jakepetroules opened on Apr 3, 2026
  11

• Investigate cleaning up target==destination condition in addRunDestinationsPlatformSDK

  swiftlang/swift-build#1267 · Filter by author owenv opened on Mar 31, 2026
  1

• Swift Build should provide task environment in the message stream in a better way

  swiftlang/swift-build#1211 · Filter by author jakepetroules opened on Mar 18, 2026
  4

• Static Linux SDK builds should probably use lld

  swiftlang/swift-build#1192 · Filter by author jakepetroules opened on Mar 14, 2026

• Don't override LIBTOOL to llvm-lib in Swift SDKs

  swiftlang/swift-build#1187 · Filter by author jakepetroules opened on Mar 13, 2026