carbon-language/carbon-lang v0.0.0-0.nightly.2026.02.27

Nightly build 2026.02.27

on GitHub

What's Changed

Toolchain and implementation changes 🛠️

• Fix handling of compatible conversions in initialization. by @zygoloid in #6797
• Clean up some of the TODOs in unused.carbon by @jonmeow in #6794
• Implement parsing observe declarations by @ozguronsoy in #6674
• Support floats in MapAPValueToConstant by @nicholasbishop in #6800
• Add a type_literal instruction to represent syntactic type literals. by @zygoloid in #6781
• Check support for form literals and :? bindings by @geoffromer in #6747
• Fix backtrace symbolization. by @zygoloid in #6803
• Formatter: don't crash on unexpected SemIR. by @zygoloid in #6787
• Support for initialization of classes with abstract base classes. by @zygoloid in #6802
• Support float template params by @nicholasbishop in #6801

Documentation changes 📝

• Add transient error retries to bazel integration tests by @jonmeow in #6796

Full Changelog: v0.0.0-0.nightly.2026.02.26...v0.0.0-0.nightly.2026.02.27