Same error. Thunderbird 128.3.1esr (64-bit), on Ubuntu newly upgraded to 24.04.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/2085089 Title: Account server settings: XML Parsing Error: undefined entity Status in thunderbird package in Ubuntu: Confirmed Bug description: After upgrade to Ubuntu 24.04 from 23.10 I can't access my email server settings in thunderbird on any of my email mailbox with following error: error:XML Parsing Error: undefined entity Location: chrome://messenger/content/am-server.xhtml Line Number 171, Column 21: <menuitem --------------------^ See attachment When I disable the single add-on which I have installed, error is not fixed. Same error appears when I create new profile. When I enable Troubleshoot mode, then error disappears and I can access server settings on all emails. Thunderbird in is installed with Snap. $ snap list | grep thunder thunderbird 128.3.1esr-1 532 latest/stable canonical** - To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/2085089/+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