Villagers and players appear rotated in beds when Fabric API is installed

[joshuaprince]

The sleeping pose incorrectly renders entities' rotation, causing them to show up incorrectly in beds. This happens with Fabric API and no other mods installed. Removing Fabric API fixes the issue.

MC 1.20.4, Fabric 0.15.2, FAPI 0.91.2+1.20.4:

MC 1.20.4, Fabric 0.15.2, no other mods:

Extra information:
MC 1.20.4
Fabric 0.15.2
Fabric API 0.91.2+1.20.4
OS: Arch Linux
Java: openjdk 17.0.9 (same happens on 21)

[dicedpixels]

Can confirm.

The hitbox:

latest.log

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Edit:

Based on some quick testing based on GH Actions builds, it appears to be this 78d798a

And likely this mixin:

fabric/fabric-entity-events-v1/src/main/java/net/fabricmc/fabric/mixin/entity/event/LivingEntityMixin.java

Line 113 in 78d798a

private void onGetSleepingDirection(CallbackInfoReturnable<Direction> info, @Local @Nullable BlockPos sleepingPos) {

(Probably the locals 🥲)

[apple502j]

Ah yes, getReturnValue before return. What could go wrong?