On my client Doorman's door doesn't cast at all when using confirm cast mode for some reason yet works just fine when using instant cast or quick cast. When using confirm cast mode Doorman does the animation and says a voiceline but no door ever is placed. It's been bugged like this for me since...
When crouching off the zipline as Seven and then ulting makes it so the little hop that he does upon initially casting his ult instead instantly takes him to the top of the skybox for a massive boost in height and line of sight. The timing window to make this bug happen is actually quite...