Created attachment 320432 [details] Apple hang log 188.8.131.52pre (20080510) on OS X 10.5.3. This happens a lot. When I click the compose button, the compose window comes up, but never completely finishes coming. Thunderbird becomes unresponsive and must be killed. Here is the Apple log (attached).
in your trunk/alpha testing - did you see this at all?
no, but I did see the following (on windows). I was editing an address, and at the same time, another TB3 window popped up, I forget for what, and neither window could get the focus to click OK. I had to kill the process. My compose windows take a long time to appear in OS X in 2.17pre.