Lataa uv 0.12.4

Released on 2026-08-13.
Enhancements
- Prefer post-quantum key exchange and enable opt-in TLS diagnostics (#21054)
- Accept whitespace before versions in noncompliant wildcard comparisons such as Requires-Python: >= 3.5.* (#21012)
- Report a specific error when a PEP 723 closing tag contains trailing whitespace or other content (#20944)
- Omit source-span carets from diagnostics for empty PEP 508 requirements (#21094)
Preview features
- Add uv check --no-install-project and respect UV_NO_INSTALL_PROJECT to install dependencies without building or installing the project (#21085)
- Make the ty subprocess invoked by uv check honor uv's color and progress settings, including quiet mode (#21086)
Performance
- Speed up resolutions with long runs of unavailable package versions by coalescing gaps in the resolver's version ranges (#20804)
- Speed up Simple API parsing by deserializing PyPI and Pyx file metadata directly (#21041)
Bug fixes
- Use windowed pythonw.exe launchers for virtual environments created from managed Python minor-version links (#19235)
- Allow uv lock to proceed when .venv is an unusable project environment (#21068)
- Respect fork-strategy when ordering forks created from environments or existing lockfile resolution-markers (#21000)
- Preserve consecutive wildcard Python minor-version exclusions such as !=3.11.*, !=3.12.* in uv.lock (#21045)
- Preserve inline comments on the final item in dependency arrays when uv add updates it (#21008)
- Recover from stale base-interpreter cache metadata when an existing virtual environment exposes a version mismatch (#21073)
- Prevent interpreter cache reuse across different PYTHONEXECUTABLE and __PYVENV_LAUNCHER__ overrides (#21075)
- Show standard styling, usage guidance, and line termination for invalid uv version --bump values (#21076)