carbon-language/carbon-lang v0.0.0-0.nightly.2026.01.22

Nightly build 2026.01.22

on GitHub

What's Changed

Proposals accepted and merged 📜

• CLI and separate compilation by @jonmeow in #6333

Toolchain and implementation changes 🛠️

• Enable heterogeneous compound assignments for CppCompat.Long32 by @ivanaivanovska in #6628
• Allow conversions between all pointer types with unsafe as. by @zygoloid in #6635
• Clarify and fix diagnostic for missing Self in a require declaration by @danakj in #6616
• Fix an incompatiblitiy between our YAML and ErrorOr test helpers by @chandlerc in #6636
• Extended name lookup replaces inner Self by @danakj in #6632
• Propagate tags on prebuilt_runtimes to the filegroup by @chandlerc in #6638
• Map structs and tuples to initializer lists in C++ overload resolution. by @zygoloid in #6620
• Add comparisons for CppCompat.Long32 by @ivanaivanovska in #6639
• Clean up after combination of #6634 and #6635. by @zygoloid in #6640
• Adding support for UInt-to-char conversion by @viniciusfdasilva in #6425
• Add a config subcommand for exposing build system info by @chandlerc in #6637

Documentation changes 📝

• Add an example that listens on a port. by @zygoloid in #6634

New Contributors

• @viniciusfdasilva made their first contribution in #6425

Full Changelog: v0.0.0-0.nightly.2026.01.21...v0.0.0-0.nightly.2026.01.22