149 Pull requests merged by 48 people

• Add already-fixed test case from #82168

  #82651 merged Jul 1, 2025

• build with 64-bit time_t on 32-bit platforms

  #82595 merged Jul 1, 2025

• [ConstraintSystem] Implement disjunction favoring algorithm behind a flag

  #82574 merged Jun 30, 2025

• Replace some precondition with _precondition in the stdlib.

  #82641 merged Jun 30, 2025

• Revert "Merge pull request #79171 from augusto2112/debug-info-witness…

  #81700 merged Jun 30, 2025

• [6.2][Distributed] Cleanup branch to avoid merge conflicts in future

  #82612 merged Jun 30, 2025

• Runtimes: avoid ODR violations in _Concurrency

  #82578 merged Jun 30, 2025

• [IRGen] Setup LLVMRemarkStreamer using existing RemarkStreamer

  #82107 merged Jun 30, 2025

• [Concurrency] Fix a crash caused by misuse of isolated modifier

  #82593 merged Jun 30, 2025

• [6.2] Add an "addressable for dependencies" flag to value witness flags.

  #82344 merged Jun 30, 2025

• [6.2] IRGen: Emit objc type encoding for ivars

  #82591 merged Jun 30, 2025

• [cxx-interop] NFC: Move a header from include into lib

  #82626 merged Jun 30, 2025

• [6.2] [CS] Fix a couple of use-after-frees

  #82617 merged Jun 30, 2025

• [Swiftify] Adjust _SwiftifyImport invocation to align with the signature

  #81855 merged Jun 30, 2025

• Cherry-pick [Swiftify] Don't import counted_by with suffixed integer literals (#82469)

  #82594 merged Jun 30, 2025

• use RespectOriginallyDefinedIn when mangling extension contexts

  #82348 merged Jun 30, 2025

• [6.2] Fix LocalVariableUtils switch_enum_addr.

  #82603 merged Jun 30, 2025

• [6.2][CSFix] Fix getConcurrencyFixBehavior to account for non-decl overloads

  #82580 merged Jun 30, 2025

• Plumb native-clang-tools-path to build support.

  #81587 merged Jun 30, 2025

• PrintAsClang: Introduce @cdecl enums

  #82039 merged Jun 30, 2025

• [Concurrency] Prevent negative sleeps from sleeping forever.

  #82563 merged Jun 30, 2025

• [Reflection] Add lightweight error handling to ReflectionContext

  #82345 merged Jun 30, 2025

• [6.2] ClosureSpecializer: don't specialize captures of stack-allocated Objective-C blocks

  #82560 merged Jun 30, 2025

• [cxx-interop] Avoid copies when accessing pointee

  #82480 merged Jun 30, 2025

• [Concurrency] Deprecate extractIsolation

  #82227 merged Jun 30, 2025

• Local function isolation fixes

  #82592 merged Jun 30, 2025

• [test] Fix or disable tests for 32-bit platforms

  #82501 merged Jun 30, 2025

• Runtimes: add interface include directories for _Concurrency

  #82576 merged Jun 30, 2025

• Fix LocalVariableUtils switch_enum_addr.

  #82602 merged Jun 29, 2025

• [Test] Reenable this test.

  #82515 merged Jun 29, 2025

• [CS] Fix a couple of use-after-frees

  #82596 merged Jun 29, 2025

• AST: Better cope with UnboundGenericType in TypeBase::getSuperclass()

  #82581 merged Jun 28, 2025

• [6.2] MandatoryPerformanceOptimization: don't recursive into referenced functions if they are not called

  #82565 merged Jun 28, 2025

• "nonisolated deinit" does not have back-deployment constraints

  #82584 merged Jun 28, 2025

• [6.2] [SE-0466 experimental amendment] Don't infer @mainactor on types conforming to Sendable

  #82590 merged Jun 28, 2025

• "nonisolated deinit" does not have back-deployment constraints

  #82585 merged Jun 28, 2025

• Add new flag to enable experimental emit-module for the target variant from a single driver invocation

  #82547 merged Jun 28, 2025

• [SE-0466] Don't infer @MainActor on types conforming to Sendable

  #81468 merged Jun 28, 2025

• [6.2] [IDE] Avoid macro expansions in getEquivalentDeclContextFromSourceFile

  #82570 merged Jun 28, 2025

• [IDE] Avoid macro expansions in getEquivalentDeclContextFromSourceFile

  #82568 merged Jun 28, 2025

• [6.2] AST: Better cope with UnboundGenericType in TypeBase::getSuperclass()

  #82586 merged Jun 28, 2025

• [stdlib, 6.2] Handle String's 32-bit inline representation for Span

  #82587 merged Jun 28, 2025

• [6.2] Sema: Fix -warn-long-expression-type-checking when expression timer is disabled

  #82508 merged Jun 28, 2025

• 6.2: [DestroyAddrHoisting] Don't fold into read access.

  #82573 merged Jun 28, 2025

• [SILGen] Ensure that we don't emit a skipped isolated deinit

  #82545 merged Jun 28, 2025

• [test] Fix duplicate LABEL directive in recently reenabled test

  #82572 merged Jun 27, 2025

• [Test] Fix disablement line.

  #82512 merged Jun 27, 2025

• [DestroyAddrHoisting] Don't fold into read access.

  #82557 merged Jun 27, 2025

• [Caching] Put caching diagnostics into its own DiagnosticGroups

  #82507 merged Jun 27, 2025

• [6.2🍒] fix calls to llvm prefix mapping functions to use space-separated option format

  #82513 merged Jun 27, 2025

• Parser: Accept @cdecl with an optional identifier for a custom C name

  #82194 merged Jun 27, 2025

• [cmake] [Synchronization] disable autolinking concurrency and older runtimes

  #82385 merged Jun 27, 2025

• ASTDemangler: Round-trip @isolated @sil_implicit_leading_param parameter attributes

  #82533 merged Jun 27, 2025

• Native implementation of -lengthOfBytesUsingEncoding, plus handling ASCII-subset MacRoman in a few places

  #81791 merged Jun 27, 2025

• [CSFix] Fix getConcurrencyFixBehavior to account for non-decl overl…

  #82549 merged Jun 27, 2025

• [cxx-interop] Test import-as-member for inline functions

  #82566 merged Jun 27, 2025

• [SIL] RemarkStreamer: Use mangled function names

  #82110 merged Jun 27, 2025

• [Caching] Move per-query CAS state out of the SwiftDependencyScanningService

  #82556 merged Jun 27, 2025

• [6.2] SemanticARCOpts: don't ignore dead-end blocks in the liverange analysis

  #82559 merged Jun 27, 2025

• [Swiftify] Don't import counted_by with suffixed integer literals

  #82469 merged Jun 27, 2025

• [stdlib] Handle String's 32-bit inline representation for Span

  #82442 merged Jun 27, 2025

• MandatoryPerformanceOptimization: don't recursive into referenced functions if they are not called

  #82561 merged Jun 27, 2025

• [cxx-interop] Allow import-as-member for types in namespaces

  #82496 merged Jun 27, 2025

• Disable surprising lifetime inference of implicit initializers

  #82472 merged Jun 27, 2025

• [windows] make WindowsSDKs configurable through env variables

  #82188 merged Jun 27, 2025

• [stdlib] Update InlineArray documentation

  #82363 merged Jun 27, 2025

• [Tests] Re-enable async_sequence.swift for non-macosx platforms.

  #76316 merged Jun 27, 2025

• [demangling] add new wrapper API

  #82527 merged Jun 27, 2025

• [6.2] Fix diagnostics for missing or invalid @_lifetime annotations on inout params

  #82511 merged Jun 27, 2025

• [6.2] [SILGen] Ensure that we don't emit a skipped isolated deinit

  #82546 merged Jun 27, 2025

• [6.2] ABI checker: drop usage of AllowDeserializingImplementationOnly

  #82544 merged Jun 27, 2025

• Sema: Fix the -warn-long-expression-type-checking flag

  #82506 merged Jun 27, 2025

• [6.2] ASTDemangler: Round-trip @isolated @sil_implicit_leading_param parameter attributes

  #82543 merged Jun 27, 2025

• ClosureSpecializer: don't specialize captures of stack-allocated Objective-C blocks

  #82537 merged Jun 27, 2025

• SemanticARCOpts: don't ignore dead-end blocks in the liverange analysis

  #82530 merged Jun 27, 2025

• [6.2][ClangImporter] SE-0463: Implement @Sendable inference exception for global actor isolated functions

  #82536 merged Jun 27, 2025

• [stdlib] improve mutableSpan accessor declarations

  #82517 merged Jun 27, 2025

• [NFC] Add a flag to print a function's ast before SILGen

  #82548 merged Jun 27, 2025

• [Test] Reenable this test.

  #82531 merged Jun 27, 2025

• [NFC] Test that @abi handles SendableMetatype

  #82468 merged Jun 26, 2025

• [stdlib] Remove _withUnsafeBufferPointer APIs on InlineArray

  #80858 merged Jun 26, 2025

• 🌸 [NFC] Test that @abi handles SendableMetatype

  #82509 merged Jun 26, 2025

• ABI checker: drop usage of AllowDeserializingImplementationOnly option

  #82499 merged Jun 26, 2025

• Sema: Fix the insertion location for conformances attributes

  #82452 merged Jun 26, 2025

• [IRGen] Sign these function pointers.

  #82510 merged Jun 26, 2025

• AST: Fix out of sync diagnostic

  #82478 merged Jun 26, 2025

• [Effects] Ensure that we properly substitute function types in ByClosure checks

  #82493 merged Jun 26, 2025

• [ClangImporter] SE-0463: Implement @Sendable inference exception for global actor isolated functions

  #82085 merged Jun 26, 2025

• remote-run: Find rsync

  #82503 merged Jun 26, 2025

• [Runtimes][CMake] Refactor FindSwiftCore to put focus on targets...

  #82035 merged Jun 26, 2025

• [Test] Remove old test.

  #82497 merged Jun 26, 2025

• [SourceKit] Print backticks if needed in printDisplayName

  #82481 merged Jun 26, 2025

• 🍒 [demangling] add new methods to the NodePrinter to enable range tracking possibilities when demangling a name

  #82479 merged Jun 26, 2025

• Fix a couple of warnings

  #82489 merged Jun 26, 2025

• [Concurrency] Rename Dummy(Main|Task)Executor.

  #82417 merged Jun 26, 2025

• [6.2] Update wasmkit toolchain build to emit universal on macOS to fix #82390

  #82406 merged Jun 26, 2025

• Fix diagnostics for missing or invalid @_lifetime annotations on inout params

  #82505 merged Jun 26, 2025

• [6.2] [SourceKit] Print backticks if needed in printDisplayName

  #82498 merged Jun 26, 2025

• [6.2] [Effects] Ensure that we properly substitute function types in ByClosure checks

  #82495 merged Jun 26, 2025

• TempLValueElimination: fix a stupid bug when combining copy_addr with a following destroy_addr

  #82476 merged Jun 26, 2025

• Revert "ClangImporter: Refactor Clang invocation path remapping after…

  #82519 merged Jun 26, 2025

• Promote feature NonescapableAccessorOnTrivial to be non-experimental

  #82474 merged Jun 26, 2025

• [CSSimplify] Narrow down tuple wrapping for pack expansion matching

  #82467 merged Jun 25, 2025

• IRGen: Emit objc type encoding for ivars

  #81967 merged Jun 25, 2025

• [6.2] Sema: Expand isolated conformance inference to consider conformances to inherited protocols

  #82384 merged Jun 25, 2025

• [stdlib, 6.2] add missing computed properties (again)

  #82422 merged Jun 25, 2025

• [Test] Disable IRGen/generic_tuples.swift on arm64e

  #82423 merged Jun 25, 2025

• fix calls to llvm prefix mapping functions to use space-separated opt…

  #81792 merged Jun 25, 2025

• [TEST-ONLY][Caching] Don't assume pluginCAS can be shared with builtinCAS

  #82418 merged Jun 25, 2025

• IntrinsicInfo: Adjust call to llvm::Intrinsic::getAttributes after …

  #82484 merged Jun 25, 2025

• [6.2] Disable surprising lifetime inference of implicit initializers

  #82473 merged Jun 25, 2025

• [Dependency Scanning] Refactor the scanner to simplify layering

  #82429 merged Jun 25, 2025

• [6.2][Concurrency] Global actor isolated conformances are only allowed to …

  #82470 merged Jun 25, 2025

• [6.2][CSSimplify] Narrow down tuple wrapping for pack expansion matching

  #82471 merged Jun 25, 2025

• [Diagnostics] Fix typo in 'overridden' warning message and identifier

  #82453 merged Jun 25, 2025

• [6.2] Promote feature NonescapableAccessorOnTrivial to be non-experimental

  #82475 merged Jun 25, 2025

• [cxx-interop] Reenable C++ benchmarks

  #81024 merged Jun 25, 2025

• [Concurrency] Global actor isolated conformances are only allowed to …

  #82465 merged Jun 25, 2025

• [6.2] [nonescapable] remove '@_lifetime' requirement on implicit accessors

  #82407 merged Jun 25, 2025

• [IRGen] Don't use GOTPCREL relocations for x86 ELF.

  #82231 merged Jun 25, 2025

• [6.2][CSSimplify] Prevent missing call fix from recording fixes while ma…

  #82459 merged Jun 25, 2025

• [6.2] AST: Tweak ConformanceLookupTable::compareConformances() some more

  #82447 merged Jun 25, 2025

• Add tests for SILGen support of @_addressable annotations.

  #81856 merged Jun 25, 2025

• 🍒 modulemap: Add missing dependency on vcruntime

  #82223 merged Jun 24, 2025

• Fix MutableSpan exclusive access to unsafe pointers

  #82450 merged Jun 24, 2025

• add new methods to the NodePrinter to enable range tracking possibilities when demangling a name

  #82336 merged Jun 24, 2025

• 🍒[cxx-interop] Fix printing of namespaces declared in bridging headers

  #82420 merged Jun 24, 2025

• 🍒[cxx-interop] Disable test with an older runtime

  #82419 merged Jun 24, 2025

• Allow '@unsafe' on import declarations to silence '@preconcurrency' warning

  #82443 merged Jun 24, 2025

• Guard InlineArray addressors with feature flag

  #82455 merged Jun 24, 2025

• Fix building Wasm stdlib with macOS presets

  #80850 merged Jun 24, 2025

• [6.2] Add lifetime dependencies on function types representing ~Escapable enum elements with ~Escapable payloads

  #82431 merged Jun 24, 2025

• [cxx-interop] Fix test failure on older macOS

  #82454 merged Jun 24, 2025

• SILGen: Reorganize some availability related code

  #82434 merged Jun 24, 2025

• [6.2] SILGen: Reorganize some availability related code

  #82435 merged Jun 24, 2025

• FreeBSD: Set sourcekitInProc rpaths

  #82433 merged Jun 24, 2025

• [6.2][Concurrency] A few nonisolated(nonsending) fixes

  #82432 merged Jun 24, 2025

• [CSSimplify] Prevent missing call fix from recording fixes while ma…

  #82430 merged Jun 24, 2025

• [region-isolation] Fix crash due to missing visitVectorBaseAddrInst case

  #82421 merged Jun 24, 2025

• [6.2][Concurrency] Task.immediate returning Never error must not have thro…

  #82373 merged Jun 24, 2025

• [6.2] Fix MutableSpan exclusive access to unsafe pointers

  #82451 merged Jun 24, 2025

• AST: Tweak ConformanceLookupTable::compareConformances() some more

  #82446 merged Jun 24, 2025

• Extend the existing memoization of NSString's Hashable conformance to cover AnyObjects that are actually NSStrings as well

  #82440 merged Jun 24, 2025

• utils: adopt SwiftCore_DIR in new builds

  #82415 merged Jun 24, 2025

• [6.2] Allow '@unsafe' on import declarations to silence '@preconcurrency' warning

  #82444 merged Jun 24, 2025

• [Runtime][Tests] Disable Runtime/backtrace test on Android.

  #82330 merged Jun 24, 2025

• [Concurrency] Task.immediate returning Never error must not have throwing op

  #82372 merged Jun 24, 2025

• Add lifetime dependencies on function types representing ~Escapable enum elements with ~Escapable payloads

  #82354 merged Jun 24, 2025

• IRGen: internalise well known types with static linking

  #82170 merged Jun 24, 2025

78 Pull requests opened by 43 people

• [Concurrency] Updates after second SE pitch.

  #82456 opened Jun 24, 2025

• [Concurrency] Add functions to allow testing of external executors.

  #82457 opened Jun 24, 2025

• [Dependency Scanning] Diagnose an error when only finding incompatible Swift binary modules

  #82460 opened Jun 24, 2025

• AST: Attempt at improving semantics of ConformanceLookupTable::compareConformances()

  #82461 opened Jun 24, 2025

• [DNM] Cross Repo PR Test In Progress

  #82462 opened Jun 24, 2025

• [IDE] Add full documentation to code completion result

  #82464 opened Jun 24, 2025

• [cxx-interop] Allow virtual methods to be renamed with SWIFT_NAME

  #82485 opened Jun 25, 2025

• [SILGen] Fix the type of closure thunks that are passed const reference structs

  #82486 opened Jun 25, 2025

• [cxx-interop] Re-enable warnings for unannotated C++ APIs returning SWIFT_SHARED_REFERENCE types under an experimental feature flag

  #82488 opened Jun 25, 2025

• Revert "Test Interop/Cxx/stdlib/overlay/custom-collection.swift fails on bots"

  #82502 opened Jun 25, 2025

• Unversioned clang resource OS name

  #82504 opened Jun 25, 2025

• Use SWIFT_COMPILER_VERSION before SWIFT_TOOLCHAIN_VERSION if it exists

  #82514 opened Jun 26, 2025

• [6.2] Use SWIFT_COMPILER_VERSION before SWIFT_TOOLCHAIN_VERSION if it exists

  #82516 opened Jun 26, 2025

• [NFC][RBI]: rename some utility methods & add more RBI logging

  #82518 opened Jun 26, 2025

• Add incremental-file-hashing options to swift-driver

  #82525 opened Jun 26, 2025

• [Concurrency] Rename Dummy(Main|Task)Executor.

  #82526 opened Jun 26, 2025

• [test] Remove duplicated CHECK-arm64e-LABELs in IRGen/errors.sil.

  #82532 opened Jun 26, 2025

• Optimization pass over String and UTF8Span's allASCII helper

  #82540 opened Jun 26, 2025

• Revert "Fix a compiler crash with '@'_lifetime(inout x), add diagnostic"

  #82551 opened Jun 26, 2025

• [Dependency Scanning] Discard and diagnose discovered binary modules built for an incompatible target

  #82552 opened Jun 26, 2025

• [nonisolated-nonsending] Make the AST not consider nonisolated(nonsending) to be an actor isolation crossing point.

  #82555 opened Jun 26, 2025

• [Concurrency][docs] More docs about task groups being structured concurrency

  #82558 opened Jun 27, 2025

• 🍒 [demangling] add new wrapper API

  #82562 opened Jun 27, 2025

• [Concurrency] Prevent negative sleeps from sleeping forever.

  #82564 opened Jun 27, 2025

• Initial attempt to make `build-script` products `async`

  #82569 opened Jun 27, 2025

• [Runtimes] lay down nested swift modules ahead of CMake 4.1

  #82571 opened Jun 27, 2025

• Runtimes: adjust the linking to `_Concurrency`

  #82577 opened Jun 27, 2025

• [cxx-interop] Allow import-as-member for functions declared within a namespace

  #82579 opened Jun 27, 2025

• Runtimes: fix a couple of runtime build bugs

  #82582 opened Jun 27, 2025

• Update collections, crypto, certs, and asn1 tag

  #82583 opened Jun 27, 2025

• [stdlib] Remove _withUnsafeBufferPointer APIs on InlineArray

  #82597 opened Jun 28, 2025

• [stdlib] add `span` properties to the backdeployment library

  #82598 opened Jun 28, 2025

• Fix warning in benchmark: generic parameter 'C' shadows generic parameter from outer scope with the same name; this is an error in the Swift 6 language mode

  #82599 opened Jun 28, 2025

• Fix unused var warning in benchmark

  #82600 opened Jun 28, 2025

• Offer additional note for why method with Self reference cannot be used on any SomeType

  #82601 opened Jun 28, 2025

• Fix bug Benchmark_Driver writing benchmark log in unsupported format

  #82606 opened Jun 28, 2025

• [ScanDependencies] Fix a bug in rewrite from #81454

  #82608 opened Jun 28, 2025

• [Distributed] Cleanup branch to avoid merge conflicts in future

  #82611 opened Jun 30, 2025

• [6.2] Local function isolation fixes

  #82613 opened Jun 30, 2025

• [cxx-interop] Add attribute to hide Swift declarations from interop

  #82616 opened Jun 30, 2025

• [test] Add some more known crashers

  #82619 opened Jun 30, 2025

• [android] Disable a couple Reflection tests and fix an install path

  #82620 opened Jun 30, 2025

• [6.2][Concurrency] Deprecate extractIsolation

  #82621 opened Jun 30, 2025

• [6.2][Concurrency] Remove experimental @Task macro

  #82622 opened Jun 30, 2025

• [Backtracing][Linux] Fix crash handler for musl.

  #82624 opened Jun 30, 2025

• [cxx-interop] Add test for move-only non-escapable types

  #82625 opened Jun 30, 2025

• [cxx-interop] Do not crash for `void begin()`

  #82627 opened Jun 30, 2025

• Fix some outdated doc comments in PlatformConditionKinds.def

  #82629 opened Jun 30, 2025

• [windows] add missing set of WINDOWS_SDKS in build-windows-toolchain.bat

  #82630 opened Jun 30, 2025

• Add --single-arch option to build-toolchain

  #82632 opened Jun 30, 2025

• [Backtracing][Linux] Fix crash handler for musl.

  #82633 opened Jun 30, 2025

• [Backtracing][Linux] Fix crash handler for musl.

  #82634 opened Jun 30, 2025

• Fix repeated words in documentation

  #82635 opened Jun 30, 2025

• CHERRYPICK: Fix repeated words in documentation

  #82636 opened Jun 30, 2025

• [DRAFT][RemoteInspection] Replace StoredPointer with RemoteAddress

  #82638 opened Jun 30, 2025

• [docs] Add Multi-Module Compilation Guide and Examples

  #82640 opened Jun 30, 2025

• [6.2][ScanDependencies] Fix a bug in rewrite from #81454

  #82642 opened Jun 30, 2025

• Cherry-pick "Merge pull request #81855 from hnrklssn/swiftify-availability-check-sdk"

  #82644 opened Jun 30, 2025

• [Concurrency] Forego Sendable checking if conversion doesn't change t…

  #82645 opened Jun 30, 2025

• Support LLVM optimization remarks in WMO mode

  #82646 opened Jun 30, 2025

• [6.2][Concurrency] Fix a crash caused by misuse of `isolated` modifier

  #82647 opened Jun 30, 2025

• [Parse] Fix `isEditorPlaceholder` checks in the parser

  #82648 opened Jun 30, 2025

• [DNM] Empty commit to generate Windows toolchain

  #82649 opened Jun 30, 2025

• [Reflection] Cache the various DataQuery values.

  #82650 opened Jun 30, 2025

• [Serialization] A temporary fix for `LocatableType`

  #82652 opened Jun 30, 2025

• [AutoDiff] Initial support for differentiation of throwing functions

  #82653 opened Jun 30, 2025

• [SE-0470] Check uses of isolated conformances in collection literals

  #82654 opened Jun 30, 2025

• [6.2] [SE-0470] Check uses of isolated conformances in collection literals

  #82655 opened Jun 30, 2025

• Replace some precondition with _precondition in the stdlib. (#82641)

  #82656 opened Jun 30, 2025

• [6.2] use RespectOriginallyDefinedIn when mangling extension contexts

  #82657 opened Jun 30, 2025

• Revert "Merge pull request #82349 from eeckstein/alloc-box-to-stack"

  #82658 opened Jun 30, 2025

• [Dependency Scanning] On cycle via overlay, fix Clang dependency path reconstruction

  #82659 opened Jun 30, 2025

• Tests: Improve SILGen tests for `if #available()` on macCatalyst

  #82660 opened Jul 1, 2025

• [SE-0371] Back-deploy support for main-actor-isolated deinit

  #82661 opened Jul 1, 2025

• [SE-0371] Back-deploy support for main-actor-isolated deinit

  #82662 opened Jul 1, 2025

• [userdocs] Automatically generate doc indices

  #82663 opened Jul 1, 2025

• [6.2] Sema: Fix the insertion location for conformances attributes

  #82664 opened Jul 1, 2025

• Bridging: Bridge some basic classes like `swift::SourceLoc` directly

  #82665 opened Jul 1, 2025

27 Issues closed by 21 people

• [AutoDiff] Fatal error of "do not know how to handle this incoming bb argument" when using a throwing function inside a differentiable function

  #70819 closed Jun 30, 2025

• Default main actor prevents synthesized struct initializer from being seen

  #82168 closed Jun 30, 2025

• [6.2, 6.1 regression] Misused `isolated` keyword crashes the compiler.

  #80363 closed Jun 30, 2025

• The main-snapshot-2025-05-14 compiler can't compile `InlineArray`

  #81534 closed Jun 30, 2025

• rit

  #82604 closed Jun 28, 2025

• Compiler crash during type checking when referencing typealias from generic subclass

  #82160 closed Jun 28, 2025

• Swift Compiler crash with isolated deinit

  #82523 closed Jun 27, 2025

• Swift 6.2: Unavailable Sendable conformance emits an undesired warning for types that conform to SendableMetatype

  #82250 closed Jun 27, 2025

• Inconsistent autocompletion results for strongly-typed macro arguments

  #70094 closed Jun 27, 2025

• Move per-query CAS state out of the `SwiftDependencyScanningService`

  #82490 closed Jun 27, 2025

• Soundness hole in isolated conformances

  #82539 closed Jun 27, 2025

• SE-0439 trailing commas allowed in tuples but not tuple types

  #82542 closed Jun 27, 2025

• Unsoundness causing crash when capturing nonisolated local in escaping `@MainActor` closure

  #82259 closed Jun 27, 2025

• Task Group Long Running Task Prevents Early Termination

  #82396 closed Jun 26, 2025

• Approachable Concurrency flag = YES corrupts actor asyc function parameter

  #82524 closed Jun 26, 2025

• `#require` does not always fail correctly with `if let`

  #81027 closed Jun 26, 2025

• Incorrect warning with #require in optional assignment

  #80633 closed Jun 26, 2025

• swift-main Windows builds are not running

  #81256 closed Jun 26, 2025

• SIL Memory Lifetime Failure on Windows

  #82466 closed Jun 26, 2025

• Integer generics not recognized when defining operators

  #82400 closed Jun 25, 2025

• Unexpected compiler error when calling value pack-returning function using optional chaining

  #82487 closed Jun 25, 2025

• [Source compatibility suite] grpc failing to build with crash

  #79802 closed Jun 25, 2025

• [SR-4886] Make sure we're not leaking string storage through _StringCore interchange

  #47463 closed Jun 24, 2025

• [SR-16122] Migrate to new pass manager for optimization pipeline

  #58381 closed Jun 24, 2025

• Conversions of Function returning function fail in 6.2

  #82397 closed Jun 24, 2025

• [SR-1837] test/Runtime/backtrace.swift should be disabled on Android

  #44446 closed Jun 24, 2025

• Ghist vul

  #82445 closed Jun 24, 2025

34 Issues opened by 29 people

• Metadata for C++ foreign reference types on Windows isn't emitted

  #82643 opened Jun 30, 2025

• SIL memory lifetime failure: memory is not initialized, but should be

  #82639 opened Jun 30, 2025

• AbstractStorageDecl's setter access is out of sync with the access actually on the setter

  #82637 opened Jun 30, 2025

• Swift compiler fails to compile depending on line order

  #82628 opened Jun 30, 2025

• Two @Test funcs with the same name crashes the compiler

  #82631 opened Jun 30, 2025

• [C++ interop] Extend `SWIFT_COMPUTED_PROPERTY` to boolean getters like that don't start with `get`

  #82623 opened Jun 30, 2025

• App crashes on the boundary between Swift 5 and Swift 6 code

  #82618 opened Jun 30, 2025

• Wrong values in multiple generics with Ints

  #82615 opened Jun 30, 2025

• Actors cannot conform to protocols with parameter pack based requirements

  #82614 opened Jun 30, 2025

• It is possible to send non-sendable values using Task { ... } when isolated to main actor

  #82610 opened Jun 29, 2025

• [C++ interop]: Overloaded Swift property from other module returning namespaced C++ type not found

  #82609 opened Jun 29, 2025

• [bootstrap] SIL verification failure when BRIDGING_MODE=PURE and bootstrapping stage0 -> stage1

  #82607 opened Jun 28, 2025

• Benchmark_Driver produces benchmark log in format which compare_perf_tests doesn't understand

  #82605 opened Jun 28, 2025

• SIL verification failed: function_ref inside fragile function cannot reference a private or hidden symbol

  #82589 opened Jun 27, 2025

• Investigate restoring a 10-byte small string representation for 32-bit platforms

  #82588 opened Jun 27, 2025

• [C++ interop] `SWIFT_COMPUTED_PROPERTY` imports the original function as available

  #82575 opened Jun 27, 2025

• SILGen crash sending typed throws closure through Mutex

  #82554 opened Jun 26, 2025

• Can't forward `inout sending` argument to another function

  #82553 opened Jun 26, 2025

• Two soundness holes casting isolated conformances (SE-0470)

  #82550 opened Jun 26, 2025

• Optimizer not removing MainActor checks when calling into non-escaping closure

  #82538 opened Jun 26, 2025

• Sequential scalars in a regex literal combined into a single character

  #82535 opened Jun 26, 2025

• Abort: function reportError at S:\SourceCache\swift-project\swift\lib\SIL\Verifier\MemoryLifetimeVerifier.cpp:265

  #82534 opened Jun 26, 2025

• Swift Compiler Crash with sharing-grdb 0.5.0 and Swift 6.1.2

  #82529 opened Jun 26, 2025

• Ambiguous type name 'AtomicRepresentation' in Swift 6.2/Xcode 26 beta 2

  #82528 opened Jun 26, 2025

• `AsyncSequence.prefix(while:)` function is unnecessarily marked `rethrows`

  #82522 opened Jun 26, 2025

• Default Values in a func are not working for func-parameters or to satisfy protocols

  #82521 opened Jun 26, 2025

• Failed to produce diagnostic: resultBuilder containing switch containing invalid case with an associated value

  #82520 opened Jun 26, 2025

• Bug: Fell off the end: (generic_type_param_type depth=0 index=0 param_kind=type)

  #82492 opened Jun 25, 2025

• Compiler crash when using computed Binding in SwiftUI view in Swift 6 mode

  #82491 opened Jun 25, 2025

• The closure doesn’t actually inherit the isolated parameter’s isolation, but the compiler treats it as if it does

  #82483 opened Jun 25, 2025

• Optional `isolated` parameter should't be considered as isolation of Task

  #82482 opened Jun 25, 2025

• [AutoDiff] Crash due to ownership error related to `Optional` `TangentVector` in certain cases.

  #82477 opened Jun 25, 2025

• Using (U)Int128 as a test argument crashes on arm64 Linux

  #82458 opened Jun 24, 2025

• stdlib should raise minimum compatibility level

  #82448 opened Jun 24, 2025

61 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• [StdLib][RFC][DNM] Add `isIdentical` Methods for Quick Comparisons to Array, ArraySlice, and ContiguousArray

  #82438 commented on Jun 26, 2025 • 5 new comments

• Implement reflection support for Symbolic Extended Existential types.

  #82389 commented on Jun 30, 2025 • 5 new comments

• [stdlib][string] Refactors String(repeating:count:)

  #32369 commented on Jun 30, 2025 • 4 new comments

• Enable more tests for Embedded Wasm

  #82399 commented on Jun 27, 2025 • 3 new comments

• [cxx-interop] Fix duplicate symbol error with default arguments

  #82333 commented on Jun 30, 2025 • 2 new comments

• utils: refactor CMake invocation construction

  #82135 commented on Jun 26, 2025 • 1 new comment

• [6.2] Add some basic tests for Observations with nearly full coverage

  #82273 commented on Jun 30, 2025 • 0 new comments

• Add some basic tests for Observations with nearly full coverage

  #82272 commented on Jun 30, 2025 • 0 new comments

• [Concurrency][Embedded] Make sure Embedded Swift links Impl functions.

  #82270 commented on Jun 27, 2025 • 0 new comments

• 🍒 [6.2] line-directive: Stop expanding response files

  #82166 commented on Jun 24, 2025 • 0 new comments

• [SwiftCaching] Create standalone reproducer from swift caching build

  #82128 commented on Jun 27, 2025 • 0 new comments

• [StdLib][RFC][DNM] Add `isIdentical` Methods for Quick Comparisons to String and Substring

  #82055 commented on Jun 26, 2025 • 0 new comments

• [MacrosOnImports][Swiftify] Copy module imports from clang node's module to its Swift macro SourceFile

  #81859 commented on Jun 30, 2025 • 0 new comments

• add _SwiftToolchain availability and add it to the SwiftStdlib macros

  #81715 commented on Jun 24, 2025 • 0 new comments

• [DO NOT MERGE] NOOP - used to test swiftpm PR

  #81376 commented on Jun 24, 2025 • 0 new comments

• IRGen: Disable ASan for the auto dynamic replacement array

  #81348 commented on Jun 30, 2025 • 0 new comments

• [DNM] For `main` toolchain builds

  #81263 commented on Jun 25, 2025 • 0 new comments

• [DNM] Rebranch testing

  #81190 commented on Jun 27, 2025 • 0 new comments

• Re-apply "Tests: enable Swift PM tests in Windows toolchain build""

  #82274 commented on Jun 30, 2025 • 0 new comments

• [Runtime] Tail call swift_retain in ObjC retain implementation.

  #82312 commented on Jun 30, 2025 • 0 new comments

• Add an "addressable for dependencies" flag to value witness flags.

  #82323 commented on Jun 30, 2025 • 0 new comments

• Enable `MainActor` in embedded concurrency, add `ExecutorImpl.cpp`

  #82331 commented on Jun 30, 2025 • 0 new comments

• [Const Extract] Fix nil default argument being extracted as nil raw literal

  #82339 commented on Jun 27, 2025 • 0 new comments

• utils: adjust the StaticFoundation builds on Windows

  #82346 commented on Jun 30, 2025 • 0 new comments

• [presets] Actually make https://github.com/swiftlang/swift/pull/81284 work

  #82358 commented on Jun 24, 2025 • 0 new comments

• Use libpthread primitives for OpenBSD mutexes.

  #82392 commented on Jun 26, 2025 • 0 new comments

• [rbi] Remove code that caused us to misidentify certain captured parameters as sending.

  #82427 commented on Jun 27, 2025 • 0 new comments

• [6.2][rbi] Treat a partial_apply as nonisolated(unsafe) if all of its captures are nonisolated(unsafe).

  #82428 commented on Jun 25, 2025 • 0 new comments

• [NFC]: remove some dead code causing warnings

  #82436 commented on Jun 25, 2025 • 0 new comments

• Remove the experimental @Task macro

  #82437 commented on Jun 30, 2025 • 0 new comments

• [StdLib][RFC][DNM] Add `isIdentical` Methods for Quick Comparisons to Dictionary and Set

  #82439 commented on Jun 26, 2025 • 0 new comments

• Date race: access actor-isolated property (of a Sendable type) from within nonisolated method

  #82230 commented on Jun 24, 2025 • 0 new comments

• `SWIFT_CONFORMS_TO_PROTOCOL` crashes with inferred associated type

  #82414 commented on Jun 24, 2025 • 0 new comments

• Problems with the planned new cross-compilation model

  #79657 commented on Jun 24, 2025 • 0 new comments

• @_specialize crashes on partial specialization of typed throws to Never

  #82377 commented on Jun 24, 2025 • 0 new comments

• ICE using _openExistential with PAT

  #82255 commented on Jun 24, 2025 • 0 new comments

• (Parameter packs) Crash in SILGenFunction::emitOrigToSubstValue()

  #82260 commented on Jun 25, 2025 • 0 new comments

• @_specialized crashes in EagerSpecializer when used with typed throws

  #82378 commented on Jun 25, 2025 • 0 new comments

• Regular expressions: "invalid bound for character class range" despite "\x{...}" formulation

  #82424 commented on Jun 27, 2025 • 0 new comments

• Runtime crash: 'freed pointer was not the last allocation'

  #75501 commented on Jun 27, 2025 • 0 new comments

• [SR-10653] exhaustive capture lists

  #53053 commented on Jun 27, 2025 • 0 new comments

• Swift 6.1 runtime crash when calling @objc async protocol method in target with mixed Swift 5 and Swift 6 dependencies

  #81846 commented on Jun 27, 2025 • 0 new comments

• Parameter type cannot be inferred from contextual type in pack expansion on a closure associated with a result builder

  #82246 commented on Jun 27, 2025 • 0 new comments

• [SR-3493] Improve diagnostics for the case when closure is assigned to generic value

  #46081 commented on Jun 27, 2025 • 0 new comments

• OpenBSD port tracking

  #78437 commented on Jun 29, 2025 • 0 new comments

• Compiler crash during C++ interop (possibly related to anonymous C++ structs)

  #82361 commented on Jun 30, 2025 • 0 new comments

• Misleading error "Sending 'self' risks causing data races" when it's another object that's causing the issue

  #82021 commented on Jun 30, 2025 • 0 new comments

• [SR-13969] [docs] Describe how to quickly compile a minimal multi-module project

  #56366 commented on Jun 30, 2025 • 0 new comments

• Library protocols can not overtake the default isolation of the importing module

  #82249 commented on Jun 30, 2025 • 0 new comments

• [SR-11882] [AutoDiff] Implement the differentiable curry

  #54297 commented on Jun 30, 2025 • 0 new comments

• [string] SIMD-izes internal func in StringCreate.swift

  #30300 commented on Jun 26, 2025 • 0 new comments

• main: [DNM] Empty PR to test CI.

  #64588 commented on Jun 27, 2025 • 0 new comments

• [Sema] Fix compiler error when extending a typealias of a partially specialized generic type

  #73169 commented on Jun 27, 2025 • 0 new comments

• [cxx-interop] Instantiate `std::optional` value constructors

  #74146 commented on Jun 30, 2025 • 0 new comments

• Link `swift-ide-test` against the new (early)swift-driver and exercise its `getSingleFrontendInvocationFromDriverArguments` C API

  #75840 commented on Jun 24, 2025 • 0 new comments

• [APINotes] Add support for handling Clang modules carrying all versions of APINotes

  #75893 commented on Jun 25, 2025 • 0 new comments

• [Concurrency] improve cancellation handler to not hop and use caller execution context

  #80753 commented on Jun 24, 2025 • 0 new comments

• CMake: SwiftCore: Directory Swift Modules

  #80881 commented on Jun 26, 2025 • 0 new comments

• Improves diagnostic and adds fixit when an implicit member-wise initializer is a protocol witness and needs to be public to fulfill the requirement

  #80939 commented on Jun 27, 2025 • 0 new comments

• Fix two issues related with emission of differentiability witnesses

  #80983 commented on Jun 30, 2025 • 0 new comments

• [Sema] Support additional args in @dynamicMemberLookup subscripts

  #81148 commented on Jun 27, 2025 • 0 new comments