shipwrecks continue with air pockets with any type of doors
minecraft-1.13-pre6
Same problem with mineshaft, castles, end ship in different worlds with world generator "Buffer" with world type "Caves" and "Floating islands".
Yes, is spam and some occasions can crash the game, in server not is the problem, the client yes
I have the same problem, the bug not fixed yet
Latest snapshot/version affected 1.13-pre3
Bug still presents in release 1.13, six versions later... this bug never has fixed