Previously the package got removed because "the AUR is not intended to provide an index for PKGBUILDs that repackage the build package originally created by another PKGBUILD". I asked on the mainling list and removing makepkg metadata files seemed to be most compliant with not repackaging the pkg.tar.zst.
If I can be sure that the package wont get removed packaging the pkg.tar.zst is better of course.
Pinned Comments
networkException commented on 2022-09-20 17:36 (UTC)
Please note that normally it's not required to flag this package as out of date. I usually tag releases in the main ungoogled-chromium repository and update the arch packaging right afterwards.
If the package hasn't updated after an ungoogled-chromium release GitHub Actions might still be building or the ungoogled-chromium patchset got updated for non Linux platforms only to match their upstream release cycle