Some commands take a long time to run

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But not only the locate command takes long time to run. Other commands do to!

What were the exact commands?

/gamemode also takes a long time so does /tp

They do not seem to take a long time for me or anyone else.

Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder]) here.

Apparently they fixed it. It took a long time in earlier releases

You can close now