World crashes after about 2-3 minutes after being loaded while moving. World size is 11.8MB and seed is -1890628709. Caves & Cliffs Experimental mode is activated. World was created in 1.17.0.56, upgraded to .58 and then .10.20. I made a copy of the world and set it to creative and peaceful. Sitting still in creative for 5 minutes with no crash, however game crashed within 2 minutes of when I started moving around. World size has increased to 13.9mb while moving around in already generated areas and crashing repeatedly. Peaceful mode does not appear to extend the time before a crash happens.
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I should also add that I created the world without caves and cliffs enabled and then after creating the world, updated it to the caves and cliffs experimental mode. Original world before upgrade to caves and cliffs does not crash in 1.17.10.20. However, the same early copy of the same world, updated to caves & cliffs when created during 1.17.0.56/58 crashes within 1-2 minutes of starting. New world with the same seed and caves and cliffs experimental mode enabled. I created a new version of the world with caves & cliffs enabled from the beginning with the same seed and have not had any crashing after several minutes of game play. I also re-created the world by loading the same seed without caves and cliffs enabled and then upgrading it to caves and cliffs and got a crash about 2 minutes in. I tried again with a random seed and go the same result.
Steps to reproduce:
Create new world in 1.17.10.20 BETA without caves and cliffs experimental mode enabled (sample seeds 439453181 and -1890628709)
Exit world and enable caves and cliffs experimental mode.
Enter world and play for 2-3 minutes (moving, attacking, breaking blocks - doesn't seem to matter what you do).
@OcelotOnesie - MCPE-128985 does not exactly describe my issue as it doesn't appear to have anything to do with breaking blocks or killing mobs. It crashed once when I stood still for a minute and then turned around. In my most recent test, I was able to run into a desert temple, dig down and retrieve all the TNT and chest contents, pillar back up, and it didn't crash until after I had gotten back out again and was running towards a tree. For me it also appears to only occur in worlds that were created without experimental and then had experimental caves and cliffs enabled. The version of -1890628709 seems to be stable when it is created with experimental caves and cliffs turned on from the very beginning. I will play through further to see if it starts crashing later.
mcpe-129077 seems pretty similar to my issue except without much information beyond crashing while moving. 🙂
We are going to track this issue at MCPE-128985.
Does MCPE-128985 describe your issue?