3.0.2

Breaking changes

• Increased compatibility_level to 3 by @luispadron in #1536
• Drop support for Bazel 6 by @brentleyjones in #1422
• Remove support for the objc_library.module_map attribute in swift_clang_module_aspect by @brentleyjones in #1328
• Remove old SwiftInfo arguments by @brentleyjones in #1427
• Remove swift_common.toolchain_attrs by @brentleyjones in #1385
• Remove the emit_swiftinterface build setting by @brentleyjones in #1393
• Remove support for the SWIFT_CUSTOM_TOOLCHAIN define by @brentleyjones in #1432
• Remove swift_module_alias by @brentleyjones in #1390
• Disable swift.emit_swiftsourceinfo by default by @brentleyjones in #1409

Fixed

• Fix apple.swizzle_absolute_xcttestsourcelocation usage by @brentleyjones in #1457
• Fix typo in _check_supports_language_mode_6 by @brentleyjones in #1484
• Fix index-import on all Xcode 16.x versions by @luispadron in #1504
• Fix documentation of per_module_swiftcopt flag by @jschear in #1508
• Fix ensure undeclared outputs are deleted when not tracked by @luispadron in #1533

Added

• Improved Swift Testing support by @brentleyjones in #1443
• Introduce a pure Swift runfiles library by @cerisier in #1310
• Add execution groups for actions that don't have to use the same toolchain used when building the target by @brentleyjones in #1317
• Add back API docs for function removed from swift_common by @brentleyjones in
• Add back API docs for function removed from swift_common by @brentleyjones in #1429
• Add swift_overlay rule by @brentleyjones in #1431
• Support sharding and regex-based --test_filter in swift_test by @brentleyjones in #1410
• Add data attribute to mixed_language_library by @brentleyjones in #1450
• Add an API that lets aspects ask whether a target is a swift_overlay by @brentleyjones in #1441
• Add support for package_name in mixed_language_library by @luispadron in #1458
• Add implicit deps to swift_library_group by @brentleyjones in #1468
• Add swift.suppress_warnings feature by @aaronsky in #1489
• Add instrumented files info to swift_binary and swift_compiler_plugin by @sebastianv1 in #1512
• Add env attribute to swift_{binary,test} and env_inherit to swift_test by @luispadron in #1517
• Swift 6.0.3 for Linux by @brentleyjones in #1491
• Add a feature to allow certain targets to ignore the implicit dependencies from the toolchain. by @luispadron in #1518
• Add an advanced API to create a custom instance of swift_clang_module_aspect with a different toolchain type than the default by @luispadron in #1524
• Add swift_common.is_action_enabled as a public API. by @luispadron in #1523
• Implement swift_synthesize_interface_aspect. by @luispadron in #1522

Changed

• Update doc/README.md by @brentleyjones in #1428
• Change swift_library alwayslink default to True by @brentleyjones in #1398
• Warn instead of fail when swiftc not found on Linux by @brentleyjones in #1433
• Prefer Swift toolchain clang over system clang by @brentleyjones in #1434
• Stop trying to extract symbol graphs from actions that don’t compile Swift or Objective-C code by @brentleyjones in #1435
• Allow swift_cross_import_overlay to specify a disambiguating explicit module name for the declaring and/or bystanding module by @brentleyjones in #1417
• Put the swift_overlay's deps SwiftInfos into the transitive SwiftInfos of the propagated SwiftInfo instead of the direct SwiftInfos (which causes them to be merged with the overlay module itself) by @brentleyjones in #1438
• Don't drop compilation contexts for private_deps when compiling the target that imports them by @brentleyjones in #1437
• Update docs to say that a source file should only be in a single swift_* target, and a swift_overlay should only be referenced by a single other target's aspect_hints by @brentleyjones in #1439
• Set alwayslink on the clang target of mixed_language_library as well by @brentleyjones in #1451
• Stop using config.string(allow_multiple = True) by @EdSchouten in #1452
• Make sure that the path to the generated header in the generated module map is workspace-relative when the feature configuration asks for it by @brentleyjones in #1442
• Don't drop swift_overlay linking contexts when an overlay depends on another library that has an overlay by @brentleyjones in #1440
• Apply -enable-bare-slash-regex action config to SWIFT_ACTION_DERIVE_F… by @jschear in #1464
• Map const-values in output file map for incremental by @vikage in #1471
• Include swift_proto_library attrs in compilation by @sebastianv1 in #1473
• Mark non_module_deps extension as reproducible by @cerisier in #1481
• Print a warning, instead of an error, when not finding swiftc.exe by @brentleyjones in #1483
• Create fewer Xcode toolchains by @brentleyjones in #1487
• Always create all toolchains by @brentleyjones in #1488
• Only warn about missing swiftc on matching host platform by @brentleyjones in #1490
• Support swift plugins in mixed_language_library by @qyang-nj in #1493
• Deduplicate plugin arguments by @qyang-nj in #1495
• Update swift.suppress_warnings comment by @mattrobmattrob in #1499
• Use exec_group for SWIFT_ACTION_DERIVE_FILES and SWIFT_ACTION_DUMP_AST by @brentleyjones in #1510
• Only pass the strict Obj-C include paths from direct dependencies to compilation actions by @luispadron in #1516
• Use a different attribute than features on toolchain rules to specify which features should be enabled/disabled by default for all targets built with that toolchain by @luispadron in #1519
• Use a new provider to wrap symbol graph extraction used for test discovery by @luispadron in #1521
• Ensure that swift_synthesize_interface_aspect generates unique outputs by @luispadron in #1526
• Remove prints when toolchain is skipped by @keith in #1535

Removed

• Remove apple_common.Objc provider usage related to linking now that the Apple linking logic in Bazel gets everything from CcInfo by @brentleyjones in #1383
• Remove implicit dependencies of _allowlist_function_transition in third_party by @brentleyjones in #1402
• Remove unnecessary SwiftBinaryInfo required provider from plugins attribute by @brentleyjones in #1445
• Remove redundant code in swift_import by @brentleyjones in #1446

New Contributors

• @EdSchouten made their first contribution in #1452
• @jschear made their first contribution in #1464
• @vikage made their first contribution in #1471
• @cerisier made their first contribution in #1481
• @qyang-nj made their first contribution in #1493
• @thelvis4 made their first contribution in #1503

Full Changelog: 2.8.2...3.0.2

This release is compatible with Bazel 7.x LTS, 8.x LTS, and 9.x rolling releases.

MODULE.bazel Snippet

bazel_dep(name = "rules_swift", version = "3.0.1", repo_name = "build_bazel_rules_swift")

Workspace Snippet

load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")

http_archive(
    name = "build_bazel_rules_swift",
    sha256 = "ae6673d27024914fa89e32fd1369e9563fb8ede463feac703aaec1ba6ca0358c",
    url = "https://github.com/bazelbuild/rules_swift/releases/download/3.0.1/rules_swift.3.0.1.tar.gz",
)

load(
    "@build_bazel_rules_swift//swift:repositories.bzl",
    "swift_rules_dependencies",
)

swift_rules_dependencies()

load(
    "@build_bazel_rules_swift//swift:extras.bzl",
    "swift_rules_extra_dependencies",
)

swift_rules_extra_dependencies()