User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:2.0b8pre) Gecko/20101024 Firefox/4.0b8pre Build Identifier: Mozilla/5.0 (Windows NT 5.1; rv:2.0b8pre) Gecko/20101024 Firefox/4.0b8pre When switching between groups, tab close button on background tabs doesn't change correctly. Reproducible: Always Steps to Reproduce: 1. Build two groups, group 1 with two tabs and group 2 with tweleve tabs 2. Switch from group 1 to group 2 with Ctrl + ` 3. Close a tab in group 2, and switch to group 1 with Ctrl + ` Actual Results: The display of tab close buttons doesn't change after switching. Maybe call adjustTabstrip after showOnlyTheseTabs?