Comment 20 for bug 1930700

Created attachment 9226420
[patch for 89.x dot-release only] Disable on Linux/Windows

I'm not sure how to manage a patch intended for dot-release-only in phabricator, so simply attaching it here.

Approval Request Comment
[Feature/Bug causing the regression]: 1694174
[User impact if declined]: see regressions: bitmap font issues on linux; crashes for linux users with huge font directories; possible windows shutdown hang
[Is this code covered by automated tests?]: no
[Has the fix been verified in Nightly?]: simply reverts to earlier behavior
[Needs manual test from QE? If yes, steps to reproduce]: -
[List of other uplifts needed for the feature/fix]: -
[Is the change risky?]: no
[Why is the change risky/not risky?]: revert to previous code via pref flip
[String changes made/needed]: -