Using a FireworksRocketEntity spawner, the game crash after the first(current) explosion.
I have attached a world file with spawners, after the first row of explosions you will crash. (6 out of 6 people crashed)
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It actually stays at 0 to 1 fps, can't make it crash with my current computer, so no crash report 😞
Have to quit java to make it stop
Duplicate of MC-5120.

So it's just lagging, not crashing ?
It stays at 0-1fps, then it just freeze and you have to force close it or java crash. I guess I should use a different term then "crash"!
Dinnerbone is aware of it https://twitter.com/Dinnerbone/status/306914304974782464
(I have attached a world .zip to the report, freeze within 10 seconds)
Please attach the crash report.