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[Concurrency] TaskGroup's should support ~Copyable results

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

Feature

#92694 In swiftlang/swift;

· FranzBusch opened on Sep 28, 2026

SILGen assertion in LogicalKeyPathApplicationComponent::get when reading through a key path from a value of opaque result type

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

Bug

#92693 In swiftlang/swift;

· wadetregaskis opened on Sep 28, 2026

SILGen assertion TYPE MISMATCH IN ARGUMENT when a function conversion erases an Optional to AnyHashable (worse: wrong codegen without assertions!)

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

Bug

#92691 In swiftlang/swift;

· wadetregaskis opened on Sep 28, 2026

Two AST-equivalent closures inside a closure inside a macro are erroneously lowered to a single SIL function

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

Bug

#92690 In swiftlang/swift;

· wadetregaskis opened on Sep 28, 2026

CMake 3.30 introduced changes in how linker flags are passed to the Swift compiler

AndroidPlatform: AndroidPlatform: Android

cmake

linker error

WindowsPlatform: WindowsPlatform: Windows

Status: Open.

Task

#92684 In swiftlang/swift;

· finagolfin opened on Sep 27, 2026

withDeadline timer can cancel an already popped cancellation scope (use-after-free)

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

Bug

#92681 In swiftlang/swift;

· FranzBusch opened on Sep 27, 2026

[cxx-interop] Using both the const and non-const overloads of an inherited C++ method fails with "function type mismatch"

Status: Open.

#92680 In swiftlang/swift;

· mrousavy opened on Sep 27, 2026

Early exit from an initializer destroys a stored property twice when an init accessor has an empty initializes list

Status: Open.

#92678 In swiftlang/swift;

· muukii opened on Sep 27, 2026

Windows main development snapshot has not advanced since 2026-05-20 despite newer successful toolchain builds

continuous integration

WindowsPlatform: WindowsPlatform: Windows

Status: Open.

#92672 In swiftlang/swift;

· Hokila opened on Sep 26, 2026

[cxx-interop] Generated C++ header leaves out unsupported class and struct members without an "Unavailable in C++" comment

Status: Open.

#92658 In swiftlang/swift;

· mrousavy opened on Sep 25, 2026

[cxx-interop] Generated C++ header drops class members that use a generic type from the same module ("cannot be printed")

Status: Open.

#92657 In swiftlang/swift;

· mrousavy opened on Sep 25, 2026

Compile time grows quadratically with the number of top-level @Suite types (module-scope lookup of macro unique names walks every top-level peer macro)

Status: Open.

#92638 In swiftlang/swift;

· datlechin opened on Sep 25, 2026