Since the update, Teebo has a bug. Even though he is invisible, his ability with his primary attack doesnt work in most cases. Also, since the update, my Ewok-Team that should be attacking often, ...
Apparently a CG dev posted ages ago that automatic TM removal was a bug that would be fixed in the future. Nobody saw the post though as it was hidden away in a minor thread.
But now we get the 'fix'.
To be fair Teebo is now boosted by being immune to counter attacks when stealthed.