Hey, #Thunderbird users - for ~1 week, my tbird has been hanging up after I hit "send" - the UI kind of freezes (I sometimes even get the Ubuntu "This app isn't responding, should I force-quit it?" dialog) and then, after 3-5s, the message sends as normal.
I only have one plugin installed (Quicktext) and I've tried disabling it, and that didn't help.
Any ideas?