Revy Revy is a proof-of-concept time-travel debugger for the Bevy game engine, built using Rerun. The general idea is that one would use Revy to investigate gameplay/physics/general-behavior-ish kinds of bugs. Revy is not a graphics debugger: for that you'd use e.g. RenderDoc. It is not a performance profiler either: for that, Bevy integrates well with e.g. Tracy. Revy works by snapshotting diffs of the Bevy database every frame that are then logged into the Rerun database. This allows you to in...