Document Tab.for_keg and use Keg#tab where possible. by @reitermarkus in https://github.com/Homebrew/brew/pull/17168
shims/super/cc: avoid passing -oso_prefix during configure by @carlocab in https://github.com/Homebrew/brew/pull/17169
startup/bootsnap: raise repeated LoadError. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17177
fix: Display a warning (instead of exiting early) when unable to find recent issues on a tap by @boblail in https://github.com/Homebrew/brew/pull/17182
brew.sh: auto-update 3rd-party taps more often. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17179
Cookbook document what Operation not permitted means by @mohawk2 in https://github.com/Homebrew/brew/pull/17176
install-bundler-gems: change_privilege when necessary. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17178
Remove disabled extend. by @reitermarkus in https://github.com/Homebrew/brew/pull/17184
Various improvements for brew command by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17186
Call Homebrew.install_bundler_gems! more consistently. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17185
Optimise more command handling/speed by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17188
Remove the signing workflow for backfill attestation checks by @josephsweeney in https://github.com/Homebrew/brew/pull/17190
brew.sh: fix argument handling for a few commands. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17192
New formula internal json v3 dependencies format by @apainintheneck in https://github.com/Homebrew/brew/pull/17153
Warn about undocumented non-private APIs. by @reitermarkus in https://github.com/Homebrew/brew/pull/17165
cmd/leaves: fix an undefined method error by @ZhongRuoyu in https://github.com/Homebrew/brew/pull/17200
Fix internal formula json v3 frozen hash parsing bug by @apainintheneck in https://github.com/Homebrew/brew/pull/17201
compilers: add gcc-14 by @fxcoudert in https://github.com/Homebrew/brew/pull/17202
Library/Homebrew: move stdin ruby scripts to files under utils. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17204
homebrew/cask-versions: remove by @razvanazamfirei in https://github.com/Homebrew/brew/pull/17207
docs: update for Homebrew/cask-versions deprecation by @p-linnane in https://github.com/Homebrew/brew/pull/17208
Cask-Cookbook: remove outdated URL by @p-linnane in https://github.com/Homebrew/brew/pull/17210
various: remove remaining Homebrew/cask-versions references by @p-linnane in https://github.com/Homebrew/brew/pull/17209
formula: fix missing test resources. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/17211
dev-cmd/tests: skip tests that require core if it's not tapped by @apainintheneck in https://github.com/Homebrew/brew/pull/17212
docs/cask-cookbook: token examples for versioned/development casks by @bevanjkay in https://github.com/Homebrew/brew/pull/17214
Pypi: Update strategy regex by @samford in https://github.com/Homebrew/brew/pull/17218
cmd/generate-cask-api: include cask renames by @EricFromCanada in https://github.com/Homebrew/brew/pull/17225
tap: tweak core tap warning by @apainintheneck in https://github.com/Homebrew/brew/pull/17227
attestations: improve authentication techniques by @woodruffw in https://github.com/Homebrew/brew/pull/17220
Add resource signature. by @reitermarkus in https://github.com/Homebrew/brew/pull/17223
Replace FormulaTextAuditor usage by @issyl0 in https://github.com/Homebrew/brew/pull/17228

New Contributors

@mohawk2 made their first contribution in https://github.com/Homebrew/brew/pull/17176

Full Changelog: https://github.com/Homebrew/brew/compare/4.2.20...4.2.21