This also fixed it for me with a new install of 24.0.1 LTS (preserving /home). New install was necessary because upgrade was unbootable...
-- 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/2067092 Title: Links within mail do not open the browser Status in thunderbird package in Ubuntu: Expired Bug description: I just upgraded to Ubuntu 24.04. Selecting a link in an email no longer opens the link in Firefox. I ensured that Firefox is my default browser, and I set network.protocol-handler.app.http and network.protocol-handler.app.https to true. I am using Thunderbird version 115.11.0 (64-bit) from Snap. Version 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/2067092/+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