When playing in Co-Op as non-host, colliding with a mobile Crystal Bot or a mobile Royal Shyness causes player to launch across the map though walls and be displaced.
Step by step of the bug
Step 1
Join Co-Op lobby as non-host
Step 2
Walk/Collide into mobile Crystal Bot or rolling Royal Shyness
When playing in Co-Op as non-host, colliding with a mobile Crystal Bot or a mobile Royal Shyness causes player to launch across the map though walls and be displaced.