What's Changed
Toolchain and implementation changes 🛠️
- Add flag to dump the raw SemIR in the event of a crash. by @geoffromer in #6558
- Introduce a Bazel runtimes building system by @chandlerc in #6548
- Enable using our own C++ runtimes across the board by @chandlerc in #6549
- Initial support for return forms by @geoffromer in #6556
Full Changelog: v0.0.0-0.nightly.2026.01.06...v0.0.0-0.nightly.2026.01.07