Since updating from 4.18 to 4.21, all videos rendered with the level sequencer include an FPS counter as seen in the top right of the attached image.
I can’t seem to find an option to disable this, which is really annoying.
This makes rendering usable footage nearly impossible without time consuming workarounds :-/
Even though I’m not familiar with sequencer, I believe it uses the same FPS counter as the default viewport, so you should be able to turn it off with the stat FPS console command or here:
Ok so i experimented a bit and found a solution:
In the game mode that is used for the rendering, call “Execute console command” with “-NOSCREENMESSAGES” from begin play.