What's Changed

• Fix brew update with HOMEBREW_USE_INTERNAL_API by @Rylan12 in https://github.com/Homebrew/brew/pull/22097
• Gemfile: Unconstrain the tapioca version by @issyl0 in https://github.com/Homebrew/brew/pull/22095
• Fixed the problem that brew services cleanup would not really remove … by @choems in https://github.com/Homebrew/brew/pull/22100
• fix: fall back to default ghcr.io URL when HOMEBREW_ARTIFACT_DOMAIN fails by @pierluigilenoci in https://github.com/Homebrew/brew/pull/22078
• docs: fix link to "C++ Standard Libraries" page by @ZhongRuoyu in https://github.com/Homebrew/brew/pull/22103
• docs: clean up generated pages by @ZhongRuoyu in https://github.com/Homebrew/brew/pull/22104
• Start systemd timers for services by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/22105
• Fixed the format problem of the generated .timer file. by @choems in https://github.com/Homebrew/brew/pull/22107
• info: clarify recursive runtime dependencies line by @HaraldNordgren in https://github.com/Homebrew/brew/pull/22113
• OS::Linux: fix Pathname type signature issues by @samford in https://github.com/Homebrew/brew/pull/22108
• sync installed_as_dependency when changing installed_on_request by @ooye-sanket in https://github.com/Homebrew/brew/pull/21755
• build(deps): bump the bundler group across 2 directories with 6 updates by @dependabot[bot] in https://github.com/Homebrew/brew/pull/22117
• Fix to not link keg_only if it doesn't installed by request by @daeho-ro in https://github.com/Homebrew/brew/pull/22119
• build(deps): bump the pip group across 1 directory with 3 updates by @dependabot[bot] in https://github.com/Homebrew/brew/pull/22116
• formula_auditor: align throttle checks with livecheck by @dasmfm in https://github.com/Homebrew/brew/pull/22114
• Avoid redundant Caskroom chgrp by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/22121
• Add user agent to HTMLProofer by @samford in https://github.com/Homebrew/brew/pull/22127
• sorbet-runtime.rbi: use typed: strict by @samford in https://github.com/Homebrew/brew/pull/22122
• upgrade: parallelize bottle tab fetching by @ZhongRuoyu in https://github.com/Homebrew/brew/pull/22118
• list.sh: only show headings when there are items to show by @ZhongRuoyu in https://github.com/Homebrew/brew/pull/22123
• HeaderMatch: pass all headers into strategy block by @samford in https://github.com/Homebrew/brew/pull/22124
• Dockerfile: retry add-apt-repository by @p-linnane in https://github.com/Homebrew/brew/pull/22125
• info: show installed version and upgrade hint on headline by @HaraldNordgren in https://github.com/Homebrew/brew/pull/22128
• Route update-report to Rust by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/22126
• caveats: warn when formula executables are shadowed on PATH by @HaraldNordgren in https://github.com/Homebrew/brew/pull/22130
• Route more commands to brew-rs by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/22132
• Fix bundle tap cask handling by @MikeMcQuaid in https://github.com/Homebrew/brew/pull/22131
• system_command: avoid loading plist and URI libraries at startup by @dduugg in https://github.com/Homebrew/brew/pull/22133

New Contributors

• @choems made their first contribution in https://github.com/Homebrew/brew/pull/22100
• @pierluigilenoci made their first contribution in https://github.com/Homebrew/brew/pull/22078

Full Changelog: https://github.com/Homebrew/brew/compare/5.1.8...5.1.9