The normally grey background for the inventory interface gets randomly replaced with the texture for a mule with chest. This doesn't seem to affect other interfaces such as crafting table, chest etc.
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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/finding-minecraft-data-folder]
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I have just seen this same bug happen on Java Edition 1.18 Release Candidate 3. I have manually crashed the game using the F3+C method and attached the crash report. Also, the issue seemed to fix itself after I restarted the game.
[media]Sorry my screenshot is a bit big.
[media]
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We're resolving and linking this ticket forward as a duplicate of MC-181280, as that ticket contains more detailed information and/or has already been triaged by Mojang.
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