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• v0.0.0-0.nightly.2026.09.30 12e1afeb15

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  Nightly build 2026.09.30 Pre-Release

  feyisay07 released this 2026-10-09 22:04:35 +01:00 | 198 commits to trunk since this release

  📅 Originally published on GitHub: Wed, 30 Sep 2026 03:52:42 GMT
  🏷️ Git tag created: Wed, 30 Sep 2026 00:06:06 GMT

  What's Changed

  Toolchain and implementation changes 🛠️

  • roll llvm to 6ec87e7ec4b3 by @nicholasbishop in https://github.com/carbon-language/carbon-lang/pull/7856
  • Enable SubobjectDestroy.Op to destroy tuples by @cjdb in https://github.com/carbon-language/carbon-lang/pull/7842
  • Don't create block for imported self param by @geoffromer in https://github.com/carbon-language/carbon-lang/pull/7786
  • Add a verifier that SemIR is in SSA form. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/7771
  • Correctly model NRVO returns by @dwblaikie in https://github.com/carbon-language/carbon-lang/pull/7865
  • Support for typeof. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/7858
  • Use CARBON_KIND_SWITCH in a few more places. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/7867
  • Enable SubobjectDestroy.Op to destroy constant objects by @cjdb in https://github.com/carbon-language/carbon-lang/pull/7848
  • Generalize CalleeFunctionInfo and reuse it in C++ import by @geoffromer in https://github.com/carbon-language/carbon-lang/pull/7787
  • Initial support for C++ function pointers by @geoffromer in https://github.com/carbon-language/carbon-lang/pull/7788

  Documentation changes 📝

  • Update design docs for some redeclaration proposals by @josh11b in https://github.com/carbon-language/carbon-lang/pull/7839
  • Add typeof to syntax highlighters. by @zygoloid in https://github.com/carbon-language/carbon-lang/pull/7859

  Utilities 📐

  • Bump undici from 7.28.0 to 7.29.0 in /utils/vscode in the npm_and_yarn group across 1 directory by @dependabot[bot] in https://github.com/carbon-language/carbon-lang/pull/7607
  • Bump the npm_and_yarn group across 1 directory with 5 updates by @dependabot[bot] in https://github.com/carbon-language/carbon-lang/pull/7862

  Infrastructure changes 🏗️

  • Update hardened-runner to 2.21.1 by @nicholasbishop in https://github.com/carbon-language/carbon-lang/pull/7857
  • Keep the sign of deltas between -1 and 0 in bench_runner.py by @chandlerc in https://github.com/carbon-language/carbon-lang/pull/7863

  Full Changelog: https://github.com/carbon-language/carbon-lang/compare/v0.0.0-0.nightly.2026.09.29...v0.0.0-0.nightly.2026.09.30

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