I reinstalled Librewolf via brew on my Mac and got this message: Warning: librewolf has been deprecated! It will be disabled on 2026-09-01.
Any idea what’s happening there?
Would love to have another way to use Librewolf on Mac OS btw… it has to be reinstalled regularly with “brew reinstall librewolf --no-quarantine” because the installation “is broken”. Very annoying, but I love Librewolf!
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The way to keep it in homebrew is to either start signing librewolf builds or provide an alternative tap from Librewolf’s repo. One of the catalysts for the deprecation is that installing unsigned apps seems to only work in Intel-based macs and Apple has decided macOS 26 will be the last release that will support this architecture.
For months (years?) I’ve been installing it on ARM-based Macs by using
brew install --no-quarantine.The --no-quarantine flag might be deprecated. There’s a discussion on homebrew github about disabling it, as Apple is closing the door on unsigned apps: https://github.com/Homebrew/homebrew-cask/issues/170345#issuecomment-2030021717
I don’t know all of the brew lingo, but I think using the cask option/command uses the DMG. That’s what I use when I saw that message a while ago
The commit says something about something being “unsigned.” I suspect that means the LibreWolf artifact is unsigned, so they can’t verify its integrity.
https://github.com/Homebrew/homebrew-cask/pull/221666/files#diff-a2f494476a9a3132aa0da63b28d9fa05eb7180e78c32148864c7cdc214df33b9R22The same thing just happened to Chromium:
https://github.com/Homebrew/homebrew-cask/pull/221570/files#diff-7073d00a063da1cbaa54537a0299fc88c89e55c6a7a0e0de2c34e82752d90e3aR13Edit to add: Perhaps this was done in error, and perhaps it’s related to this issue: Autobump restrictions make opening PRs with bump-cask-pr overly complicated
