When you used the tabcmd export command and the command timed out, the Vizqlserver process would not release the memory or CPU it was using. As a workaround, you could end the vizqlserver.exe process in Task Manager and let the process restart automatically.
When you switched between custom views using a parameter control, the view reloaded but the data in the view did not.
When connected to a Microsoft Analysis Services database, removing values from a multiple-value custom list sometimes didn't update the view.
Removing permissions from a dashboard didn't stop subscriptions from sending.