Issues

Back to Announcements" appears as the sole tab at the top of the screen

"permissions" and "options" tabs disappear once navigating via resources breadcrumbs

Existing tabs disappear

viewing an announcement, the tool's tabs get replaced with actions for that announcement.

"Add" tab would move into the interface as an action button

announcements how to return to previous page

tabs/links to Compose and Options disappear in Permissions tab

External Tools page in Site Info has no way of returning to previous page

tabs disappear when you click on 'Import events' and many other tabs in calendar

"Multiple Tabs" error while using single tab, other issue with inconsistent state