Comment on attachment 9172666 Bug 1661715 - Move GTK function stubs to the correct section.
### Beta/Release Uplift Approval Request * **User impact if declined**: Flash plugin fails to load. * **Is this code covered by automated tests?**: No * **Has the fix been verified in Nightly?**: No * **Needs manual test from QE?**: No * **If yes, steps to reproduce**: * **List of other uplifts needed**: None * **Risk to taking this patch**: Low * **Why is the change risky/not risky? (and alternatives if risky)**: The change affects only plugins. * **String changes made/needed**: None. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1893021 Title: Flash plugin symbol lookup error with firefox 80.0+build2 on xenial (gtk_window_set_titlebar) Status in Mozilla Firefox: Fix Released Status in firefox package in Ubuntu: Fix Committed Bug description: When testing firefox 80.0+build2 on xenial (from https://launchpad.net /~ubuntu-mozilla-security/+archive/ubuntu/ppa/+packages), I'm observing that the flash plugin (installed by flashplugin-installer) doesn't work. This appears to affect only xenial, flash is working in the bionic and focal builds. This is what I'm seeing when launching firefox from a terminal: /usr/lib/firefox/plugin-container: symbol lookup error: /usr/lib/firefox/libxul.so: undefined symbol: gtk_window_set_titlebar This is most likely caused by this recent upstream change: https://phabricator.services.mozilla.com/D84623 To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1893021/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp