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26.2 z fighting of Crumbling/blockbreaking animation when looking perpendicular to a block #3776

Description

@fayer3

Bug Description

When looking perpendicular(90°) to a block that has the crumbling/block breaking animation on it, the animation will z fight with the block it is on.

this happens on both opengl and vulkan, and doesn't happen in vanilla

doesn't seem to be related to view bobbing, also happens with it disabled

tested with both sodium mc26.2-0.9.0-fabric and sodium mc26.2-0.9.1-beta.2-fabric

crumbling.mp4

Reproduction Steps

  • use the tp command to be exactly at 90 step rotation
  • start breaking a block (using a debug stick makes it easier, since it stays)
  • move forward/backwards and see the block breaking animation flicker

Log File

latest.log

Crash Report

crash-2026-06-26_13.29.42-client.txt

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