I have experienced this bug for several years on multiple Linux machines. It just happened to me today on Thunderbird 89.0b1 (beta): sending a message over SMTP hung for several minutes while the progressbar keeps on scanning left and right, eating ~60% CPU on a fast machine.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1012858 Title: "Sending of message failed" dialog needs 100% of one CPU as long as it is open. To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1012858/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
