Bump version to 0.11.20 - #19765

Released on 2026-06-10.

Enhancements

• Add --emit-index-url and --emit-find-links to uv export (#18370)
• Add --find-links support for uv pip list (#16103)
• Group executable install errors during uv python install (#19691)
• Use ICF in macOS release builds to reduce binary sizes (#19615)

Preview features

• Add initial hidden uv upgrade command (#19678)
• Reject Git revisions in uv upgrade (#19742)

Configuration

• Recognize UV_NO_INSTALL_PROJECT, UV_NO_INSTALL_WORKSPACE, UV_NO_INSTALL_LOCAL (#19323)

Performance

• Speed up discovery of large workspaces (#18311)

Bug fixes

• Allow unknown preview flags with a warning again (#19669)
• Apply dependency exclusions to direct requirements (#19699)
• Avoid following external symlinks during cache clean (#19682)
• Avoid following symlinks during cache prune (#19543)
• Fix Git cache keys for worktrees and packed refs (#19706)
• Make resolver error handling iterative to avoid stack overflows (#19695)
• Pass VIRTUAL_ENV through cygpath inside fish on Windows (#19703)
• Rebuild explicit local directory tool installs (#19591)
• Validate egg top-level entries as identifiers (#19679)

Documentation

• Document --find-links caching behavior (#19585)
• Add a small section for malware checks (#19680)