Release notes for this release can be found on the Homebrew blog.

What's Changed

• workflows/tests: update homebrew/core in audit tests. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20321
• Fix type error in Readall.valid_tap? by @dduugg in https://github.com/Homebrew/brew/pull/20319
• workflows/vendor-gems: push to PRs from dependabot. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20322
• Reduce shape variations in Homebrew::Service by @dduugg in https://github.com/Homebrew/brew/pull/20324
• workflows/tests: set HOMEBREW_DOWNLOAD_CONCURRENCY for test-bot tests. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20297
• env_config: add auto option for download_concurrency by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20329
• formula*: add source download support for download queue. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20327
• cmd/info: don't print empty caveats. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20330
• Add Cask install/upgrade/reinstall support for download queue by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20328
• Enable strict typing in Cask::Audit by @dduugg in https://github.com/Homebrew/brew/pull/20325
• brew upgrade --help missing HOMEBREW_UPGRADE_GREEDY by @agowa in https://github.com/Homebrew/brew/pull/20333
• utils/gems: use Homebrew-specific gem spec cache by @Bo98 in https://github.com/Homebrew/brew/pull/20340
• api: fix handling of source downloads by @Bo98 in https://github.com/Homebrew/brew/pull/20341
• Deprecate/disable/remove code for Homebrew 4.6 by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20331
• Document HOMEBREW_DOWNLOAD_CONCURRENCY environment variable by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20342
• Fix URI parser warning by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20343
• Cleanup some extend/* types/locations by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20344
• formula_assertions: fix typechecking error in {shell,pipe}_output by @carlocab in https://github.com/Homebrew/brew/pull/20345
• extend/kernel: fix odisabled call. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20349
• extend/pathname: fix type signature for write_env_script. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20351
• observer_pathname_extension: add strict Sorbet types. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20354
• download_queue: fix patch handling. by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20353
• utils/curl.rb: Skip https audit for curl dependencies by @osalbahr in https://github.com/Homebrew/brew/pull/20348
• dev-cmd/cat: add require "formula" by @carlocab in https://github.com/Homebrew/brew/pull/20355
• extend/kernel: tighten up some type signatures by @carlocab in https://github.com/Homebrew/brew/pull/20356
• extend/kernel: tighten type sig for ensure_formula_installed! by @carlocab in https://github.com/Homebrew/brew/pull/20357
• Ensure we require "formula" before doing ensure_formula_installed! by @carlocab in https://github.com/Homebrew/brew/pull/20358
• Replace ensure_formula_installed! with Formula#ensure_installed! by @carlocab in https://github.com/Homebrew/brew/pull/20359
• Manpage: source wording & formatting fixes by @EricFromCanada in https://github.com/Homebrew/brew/pull/20361
• Formula-Cookbook: Recommend the in-use write_exec_script syntax by @issyl0 in https://github.com/Homebrew/brew/pull/20363
• pathname: add type to write_exec_script by @daeho-ro in https://github.com/Homebrew/brew/pull/20365
• extend/kernel: allow exec_editor to open multiple files at once by @bayandin in https://github.com/Homebrew/brew/pull/20367
• SkipConditions: special case unsigned deprecations by @samford in https://github.com/Homebrew/brew/pull/20366
• output: express environment variables consistently by @EricFromCanada in https://github.com/Homebrew/brew/pull/20364
• cmd/update: use short option in update.sh by @chirsz-ever in https://github.com/Homebrew/brew/pull/20368
• Improve Download Queue output by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20370
• extend/kernel: remove ensure_formula_installed! by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/20371
• Enable strict typing in Tap by @dduugg in https://github.com/Homebrew/brew/pull/20369

New Contributors

• @agowa made their first contribution in https://github.com/Homebrew/brew/pull/20333
• @chirsz-ever made their first contribution in https://github.com/Homebrew/brew/pull/20368

Full Changelog: https://github.com/Homebrew/brew/compare/4.5.13...4.6.0