Steps to reproduce: 1. Launch thunderbird and the address book 2. Change the selection to collected addresses (I have no collected addresses) 3. Change the selection to personal address book and move focus to the list of addresses on the right. 4. Launch Accerciser and examine the accessible hierarchy for the tree table. Expected results: All of the items from the personal address book would be listed as table cells (children of the tree table). Actual results: None of the items from the personal address book are listed. Only the list of column headers is present. This problem seems to have been introduced in the 9 Feb build.

This problem does not happen on Windows. The tree repopulates fine there. So this is most likely another instance of some regressions we've seen as a result of the heap of fixes that went in on Feb 8th. Bug 308564 had to do with TreeViews the most on that day.

Evan, could you describe what's happens here or it's better to provide test for this? I tried mochitest from bug 418043 but I doesn't fail with me on trunk.

not reproducible on the latest trunk.