This bug was fixed in the package firefox -
80.0.1+build1-0ubuntu0.16.04.1
---------------
firefox (80.0.1+build1-0ubuntu0.16.04.1) xenial; urgency=medium
* New upstream stable release (80.0.1+build1)
-- Olivier Tilloy <olivier.til...@canonical.com> Tue, 01 Sep 2020
11:25:05 +0200
** Changed in: firefox (Ubuntu)
Status: Fix Committed => Fix Released
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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 Released
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:
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