Lataa uv 0.12.8

Released on 2026-08-31.
Enhancements
- Warn about invalid tool directories and continue upgrading valid tools with uv tool upgrade --all (#21368)
Preview features
- Deduplicate identical files within and across cached wheels with the content-addressed-cache preview feature (#21327)
- Reduce allocations while extracting content-addressed wheels by reusing the hashing buffer across files (#21340)
- Speed up content-addressed cache cleanup on macOS by reading hard-link counts in bulk (#21344)
Performance
- Prevent concurrent uv processes from downloading and extracting the same remote wheel more than once (#21379)
- Speed up dependency graph construction from large lockfiles by indexing packages during traversal (#21373)
- Extend indexed lockfile traversal to exports, dependency trees, audits, and freshness checks (#21377)
- Speed up warm resolutions by reducing repeated marker interner work (#21300)
Bug fixes
- Do not trust hashes from direct URLs discovered only in wheel metadata when installing with --require-hashes (#21348)
- Use a compatible Azure Storage API version for anonymous and authenticated requests, allowing credential retries when public access is disabled (#21366)
- Redact Azure shared access signature (sig) query parameters from displayed URLs (#21360)
- Treat projects below one-level workspace member globs as standalone instead of aborting workspace discovery (#21341)
Other changes
- Update astral-tokio-tar to 0.7.0 and use effective sizes when tracking extracted hard links (#21346)