We are investigating an issue with Letterboxing (black bars) impacting the sides on iOS devices after the 10.31 update. We will update you when we have more information.
Hey all, the issue with Letterboxing (black bars) impacts the sides on iOS devices. We have updated our Trello Board with a potential workaround for this issue. Please let us know if you are still experiencing issues.
https://trello.com/c/tUnhQNIl/414-letterboxing-occurs-on-ipad