I was fighting the dragon on a server. She wasn't doing anything except flying around. She didn't try to attack anyone, or chill down by the portal.
The dragon had been respawned, all of the end portals were up
MC-136750
Ender dragon isn't doing much
Resolved
Awaiting Response
0
Please force a crash by pressing
F3 + Cfor 10 seconds while in-game and attach the crash report (minecraft/crash-reports/crash-<DATE>-client.txt) here.