Pull Requests swiftlang/swift

Improve compile time by introducing fast conformance casts

#88270 opened 2026-04-02 07:57 by eeckstein

Revert "[stdlib] Generalize `Sequence` algorithms for typed throws (#87698)"

#88269 opened 2026-04-02 07:49 by clintonpi

[Sema] Add fix-it to remove 'throws' for protocol witness throws conflict

#88268 opened 2026-04-02 06:45 by tosh7

Revert "ASCII fast paths for unicode scalar distance (#79886)"

#88267 opened 2026-04-02 05:58 by Catfish-Man

Fix IRGen/typed_allocation.swift - REQUIRES: embedded_stdlib

#88266 opened 2026-04-02 04:27 by atrick

Fix DeinitDevirtualizer to handle non-generic deinitializer function

#88265 opened 2026-04-02 04:00 by atrick

[Serialization] DisableDeserializationOfExplicitPaths in the compiler…

#88264 opened 2026-04-01 22:32 by adrian-prantl

Revert "[Concurrency] Mark a type as nonisolated if a conformance req…

#88263 opened 2026-04-01 21:45 by xedin

[Docs] Add information about cross-compilation targets

#88262 opened 2026-04-01 20:36 by xavgru12

Optimizer: move the `cond_fail true` optimization out of SILCombine into its own optimization pass

#88258 opened 2026-04-01 18:52 by eeckstein

[DependencyScan][Caching] Do not mix CAS instance

#88257 opened 2026-04-01 18:46 by cachemeifyoucan

[Serialization] DisableDeserializationOfExplicitPaths in the compiler…

#88256 opened 2026-04-01 18:35 by adrian-prantl

[6.3] StackNesting: don't mark pending allocations [non_nested]

#88254 opened 2026-04-01 18:03 by rjmccall

AST: Print the override keyword when appropriate in package swiftinterfaces

#88253 opened 2026-04-01 17:49 by tshortli

Trace events: add `-ftime-trace` to `swift-frontend`

#88251 opened 2026-04-01 17:19 by MaxDesiatov

Revert protocol lifetime checking

#88250 opened 2026-04-01 17:09 by aidan-hall

[SymbolGraphGen] Emit "functionSignature" info for macros

#88249 opened 2026-04-01 16:55 by d-ronnqvist

CSE Optimizer Pass rewrite

#88248 opened 2026-04-01 16:14 by elsakeirouz

[Literal Expressions] Support `Int128` and `UInt128`

#88247 opened 2026-04-01 15:52 by artemcm

build-script: prefer Python from Xcode when building under macOS

#88244 opened 2026-04-01 15:32 by edymtt

ClangImporter: honour `--sysroot` for C library searches

#88241 opened 2026-04-01 15:22 by compnerd

[cxx-interop] Fix lookup for friend methods within namespaces c++ interop

#88240 opened 2026-04-01 15:22 by egorzhdan

[cxx-interop] Fix "Failed to reconstruct type" assertion for `NS_OPTIONS` types c++ interop

#88238 opened 2026-04-01 14:19 by egorzhdan

Wasm: fix build issues and test failures on macOS cmake embedded WebAssembly WASI

#88232 opened 2026-04-01 11:48 by MaxDesiatov

[cxx-interop] Deduplicate some logic to search for attributes c++ interop

#88228 opened 2026-04-01 10:08 by Xazax-hun

LifetimeDependence: Constraints to ignore copy dependencies on Escapable types

#88227 opened 2026-04-01 09:03 by aidan-hall

StackNesting: don't mark pending allocations [non_nested]

#88225 opened 2026-04-01 01:22 by rjmccall

Update swift-toolchain-sqlite version to 1.0.8

#88223 opened 2026-03-31 23:36 by jakepetroules

[CSRanking] Don't treat functions that are generic only over typed throws as generic

#88221 opened 2026-03-31 22:17 by xedin

[6.3] [Embedded] Stop diagnosing untyped throws in embedded mode

#88219 opened 2026-03-31 21:30 by DougGregor