Swift 6.0 Release

What's Changed

• Fix handling of the '--' argument followed by inputs for the immediate compilation mode ('swift') by @artemcm in #1439
• Make --ld-path option consistently use single dash by @MaxDesiatov in #1441
• Add test conveniences to SwiftDriverTests by @tshortli in #1443
• Add .vscode/launch.json to .gitignore by @MaxDesiatov in #1445
• Replace deprecated uses of <<< with send by @MaxDesiatov in #1444
• [NFC] Remove unused constant in FirstWaveComputer.swift by @MaxDesiatov in #1446
• Remove remaining appearences of deprecated 'AbsolutePath' initializer in tests by @artemcm in #1231
• Remove more appearences of deprecated 'AbsolutePath' and 'RelativePath' intitializers in source and tests by @artemcm in #1450
• Replace remaining uses of <<< operator with .send by @MaxDesiatov in #1451
• Fix forwarding of -ld-path to Clang by @kabiroberai in #1447
• [embedded] A number of changes to support embedded Swift. by @zoecarver in #1455
• Prebuilt-module-generation: support a mode that aggregates broken interfaces as a JSON output for easy comparision by @nkcsgexi in #1457
• Introduce -emit-api-descriptor-path option by @tshortli in #1460
• [ExplicitModuleBuilds][Tests] Remove test of prior approach at handling dependency PCH by @artemcm in #1463
• Add -experimental-skip-non-exportable-decls to lazy typechecking emit module jobs by @tshortli in #1465
• [Build Script Helper] Use new SwiftPM flag to remove $ORIGIN from installed ELF executable runpaths by @finagolfin in #1462
• Remove special handling of the -experimental-lazy-typecheck flag by @tshortli in #1468
• Make the DWARF version configurable. by @adrian-prantl in #1467
• Revert "Make the DWARF version configurable." by @adrian-prantl in #1473
• Revert "Revert "Make the DWARF version configurable."" by @adrian-prantl in #1475
• Update 'Package.resolved' by @artemcm in #1476
• Adjust 'makeOptions' to new TableGen format of Swift's 'Options.inc' by @artemcm in #1474
• Fix typos and warnings in SwiftDriver module and its tests by @MaxDesiatov in #1461
• Add support for automatically emit API descriptor files by @zixu-w in #1478
• Don't add an autolink-extract job unless actually linking ELF/Wasm objects, matching the original C++ driver by @finagolfin in #1479
• Add workaround for 5.8 host swift-driver bug by @hamishknight in #1484
• [SwiftDriver] PathRemapping and Cache Replay Support by @cachemeifyoucan in #1453
• Revert "[SwiftDriver] PathRemapping and Cache Replay Support" by @artemcm in #1486
• Ensure supplementary output file maps associate Swift Source inputs with expected outputs in WMO by @artemcm in #1459
• build: simplify the build rules (NFC) by @compnerd in #1489
• Add support for swift caching with path remapping and builtin cache replay by @cachemeifyoucan in #1488
• Support package interface gen and verification in driver by @elsh in #1487
• Update Options.swift for '-disable-sandbox' by @rintaro in #1490
• Do not perform dependency scanning when no source inputs are specified by @artemcm in #1492
• Remove dependency on swift-system by @neonichu in #1494
• Avoid generating an interface verification job for a package interface when no such interface is emitted by @artemcm in #1497
• Revert 'Add missing dependency (#1414)' by @finagolfin in #1481
• [Caching] Fix incremental cache build with bridging header by @cachemeifyoucan in #1498
• [Caching] SwiftDriver Caching API refinement for build system by @cachemeifyoucan in #1491
• build: enable building in Debug mode on Windows by @compnerd in #1496
• Port over missing debug info driver functionality from the C++ implem… by @adrian-prantl in #1500
• [SwiftCaching] Don't drop -Xcc during dependency scanning by @cachemeifyoucan in #1501
• Only specify -dwarf-version if the frontend supports it by @tshortli in #1502
• build: support building swift-driver outside of the toolchain by @compnerd in #1499
• [Test] Remap test should be guarded by caching feature by @cachemeifyoucan in #1504
• Disable CachingBuildTests on windows by @cachemeifyoucan in #1508
• tests: repair the test suite on Windows by @compnerd in #1506
• SwiftDriver: repair the generation of CodeView debug info by @compnerd in #1505
• [Sanitizer] Add new flag -sanitize-stable-abi flag to link against the by @wrotki in #1509
• Revert "[Driver] For immediate mode prefer using the default SDK over the SDKROOT variable" by @akyrtzi in #1510
• Don't pass -rpath and -lswiftCore in embedded mode by @MaxDesiatov in #1516
• Add m68k to Triple.swift by @MaxDesiatov in #1514
• [CAS] Don't create the same CAS multiple times from the same Oracle by @cachemeifyoucan in #1511
• [NFC] Add Decodable conformance to Triple.Arch by @MaxDesiatov in #1512
• [Embedded] correct link paths when building for embedded to avoid stray response file paths by @phausler in #1517
• [Dependency Scanning] Upon scan failure, ensure scanner diagnostics are emitted by @artemcm in #1518
• Pass down the -no-verify-emitted-module-interface flag to the frontend by @xymus in #1519
• Add fallback to auxiliary legacy driver executable on '--disallow-use-new-driver' by @artemcm in #1485
• Update Options.swift by @tshortli in #1521
• [Explicit Module Builds] Do not specify Clang dependency module.modulemap files as task inputs by @artemcm in #1522
• Prefer llvm-ar over ar on WebAssembly by @kateinoigakukun in #1523
• Remove references to deleted lit-tests of the Legacy driver by @artemcm in #1334
• [Caching] Adopt new APIs from libSwiftScan for key computation by @cachemeifyoucan in #1503
• Only run testSanitizeStableAbi on Apple platforms by @wrotki in #1524
• Fix explicit modules incremental build failure when only the clang module of a mixed-source module requires rebuild by @owenv in #1527
• For scripts, use DYLD_FRAMEWORK/LIBRARY_PATH to find frameworks / run… by @lhames in #1525
• Make DependencyScanningError conform to LocalizedError by @cachemeifyoucan in #1528
• [Caching] Issue a warning when caching build without explicit module by @cachemeifyoucan in #1526
• When terminating because a subprocess failed, don't print error: fatalError by @DougGregor in #1532
• Embedded: don't link swiftrt.o for bare metal by @MaxDesiatov in #1533
• [Explicit Module Builds] Add an instance of InterModuleDependencyGraph to the DriverExecutorWorkload by @artemcm in #1530
• [SwiftScan] Add APIs to load/check libSwiftScan directly by @cachemeifyoucan in #1529
• [Explicit Module Builds] Cache explicit dependency additions to main module command-lines by @artemcm in #1535
• [Caching] Add CAS size management APIs by @cachemeifyoucan in #1536
• Fix wrong -Xlinker propagation to Clang with WebAssembly by @kateinoigakukun in #1538
• Port --global-base option for WebAssembly from legacy driver by @kateinoigakukun in #1539
• [Caching] Disable caching when -disable-bridging-pch is used by @cachemeifyoucan in #1537
• Execution: special case the first two arguments in RSP mode by @compnerd in #1540
• [CAS] Fix pluginCAS initialization by @cachemeifyoucan in #1542
• Verify emitted module interfaces by default and introduce blocklist by @xymus in #1543
• [Caching] Fix scanner args were dropped when resolveMainModuleDependencies were called multiple times by @cachemeifyoucan in #1544
• Only pass down the -no-verify-emitted-module-interface flag if the frontend accepts it by @xymus in #1548
• Propagate the -no-allocations frontend flag to the frontend by @kubamracek in #1546
• Passthrough -tools-directory as -B to clang linker for Wasm target by @kateinoigakukun in #1551
• [Dependency Scanning] Add and use API for per-query diagnostic gathering by @artemcm in #1552
• [Caching] Move unsupportedCachingConfiguration to be scanning error by @cachemeifyoucan in #1553
• Set stdout and stderr encodings to UTF-8 in build-script-helper.py by @tshortli in #1554
• Avoid ascii/utf encoding errors on some systems by @kastiglione in #1555
• Tests: repair test for Windows by @compnerd in #1556
• Don't normalize *-unknown-windows-coff as *-unknown-windows-msvc by @MaxDesiatov in #1558
• Compute and append -file-compilation-dir when -g options are used by @cachemeifyoucan in #1557
• [Caching] Remap the path in -file-compilation-dir if needed by @cachemeifyoucan in #1559
• Update driver for fully static Linux. by @al45tair in #1549
• [6.0] Change dependency on swift-tools-support-core to release/6.0 by @ahoppen in #1566
• [6.0] Stop adding '-external-plugin-path' to SDK directories by @rintaro in #1574
• [6.0🍒][Explicit Module Builds][SwiftDrver] Cherry-pick Explicit Module Loading fixes and improvements by @artemcm in #1575
• [6.0][Caching] SwiftDriver changes for caching support by @cachemeifyoucan in #1572
• [6.0][Tests] Support for binary module validation in scanner by @cachemeifyoucan in #1584
• [6.0 🍒] Introduce VisionOS Platform by @artemcm in #1585
• [6.0][Caching] Remove the error for creating multiple CAS at same location by @cachemeifyoucan in #1587
• [6.0] Prefer toolchain's plugins to SDK plugins if the toolchain has stdlib by @ktoso in #1592
• [6.0][CAS] Fix task continuation misuse when CAS error happens by @cachemeifyoucan in #1593
• [6.0🍒] Fix parsed name of the newly-added SDKPlatformKind to use raw toolchain name by @artemcm in #1599
• [6.0🍒] Do not warn on failure to in-process query target info or supported features by @artemcm in #1600
• [6.0][Caching] Handle emit module job correctly for swift caching by @cachemeifyoucan in #1603
• [6.0🍒] Fallback on swift-frontend -scan-dependencies ... fallback path in case libSwiftScan shared library cannot be loaded. by @artemcm in #1607
• [6.0] Schedule an emit-module-separately job even if an input is not compilable by @xymus in #1589
• Adds valid arguments to -sanitize-coverage: pc-table and inline-8bit-counter. by @thetruestblue in #1611
• [6.0][Option] Support MultiArg options by @cachemeifyoucan in #1612
• [6.0] Options: sync-with compiler repo about recent option updates by @nkcsgexi in #1618
• [6.0 🍒][Explicit Module Builds] Get source locations from the dependency scanner and emit diagnostics with them by @artemcm in #1620
• [6.0] Improve performance of precompiled module invalidation in incremental builds by @owenv in #1627
• [6.0 🍒][Explicit Module Builds][Incremental Builds] Re-compile module dependencies whose dependencies are up-to-date themselves but are newer by @artemcm in #1629
• [6.0 🍒][SwiftScan] Fix headerDependencies in SwiftPrebuiltExternalModuleDetails by @cachemeifyoucan in #1634
• Bump the DWARF version number to 5 on Darwin. by @adrian-prantl in #1635
• [6.0] Response files should be named using the hash of the command line arguments only by @owenv in #1639
• Ignore prebuilt module cache when building the prebuilt module cache by @DougGregor in #1650
• [6.0 🍒][PrebuiltModuleGen] Ensure the dependency scanner always ignores existing prebuilt modules by @artemcm in #1652
• [6.0 🍒][Explicit Module Builds] Remove dead/incorrect code for handling header inputs of binary module dependencies by @artemcm in #1654
• [6.0] Pass -lld-allow-duplicate-weak for coverage on Windows by @hamishknight in #1657
• [6.0 🍒][Test Only] Make CachingBuildTests.testDependencyScanning be adaptable to scanner diagnostic revisions by @artemcm in #1659
• [6.0] Allow enabling embedded Swift without WMO when not generating SIL by @owenv in #1666
• [6.0] Import new Android overlay or Bionic module by @finagolfin in #1660
• [6.0🍒] Resolve main executable symlink when looking up driver-adjacent subcommand binaries by @artemcm in #1606

New Contributors

• @zixu-w made their first contribution in #1478
• @phausler made their first contribution in #1517
• @ktoso made their first contribution in #1592

Full Changelog: swift-5.10.1-RELEASE...swift-6.0-RELEASE