Pavel and Ross, can you confirm that you are seeing this with the GNOME Flashback session, not the default Ubuntu session?
** Also affects: gnome-flashback (Ubuntu) Importance: Undecided Status: New -- 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/1836659 Title: Ubuntu 18.04's ibus package breaks password fields in Firefox again Status in firefox package in Ubuntu: Incomplete Status in gnome-flashback package in Ubuntu: New Bug description: On an uptodate Ubuntu 18.04.2 LTS system I am observing the same symptoms as in bug https://bugs.launchpad.net/ubuntu/+source/ibus/+bug/1765304 When I focus a password field in Firefox, it starts focusing and unfocusing rapidly, making it difficult to type passwords. Also, CPU usage goes up with the 4 processes eating most: %Cpu(s): 25,3 us, 11,0 sy, 0,0 ni, 63,5 id Xorg 60% gnome-flashback 21% firefox 20% ibus-daemon 4% Launching Firefox with GTK_IM_MODULE=xim firefox makes it go away. This started several (~7) days ago. $ apt list gnome-shell ibus firefox Listing... Done firefox/bionic-updates,bionic-security,now 68.0+build3-0ubuntu0.18.04.1 amd64 [installed] gnome-shell/bionic-updates,now 3.28.4-0ubuntu18.04.1 amd64 [installed] ibus/bionic,now 1.5.17-3ubuntu4 amd64 [installed] $ lsb_release -rd Description: Ubuntu 18.04.2 LTS Release: 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1836659/+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