Unreal Engine Issues

UMG Animation MPC track cannot preview

The reason should be in FMaterialShader::GetParameterCollectionBuffer , Scene is nullptr and cached value GDefaultMaterialParameterCollectionInstances ** doesn't update. ...

UnregisterAsyncPhysicsTickActor not being called when actors end play via UWorld::RemoveFromWorld

TSR: tighten the size of the history update's clamping box

The UI layer system in Lyra leaks widgets when changing level

Specular/Anisotropy problems with Nanite Meshes

Specular highlights can disappear with clearcoat materials, when "Clear Coat Enable Second Normal" is enabled ("r.ClearCoatNormal"). ...

EnhancedInput Triggers can become stuck in an triggered state after pause when using Set Mode UI Only and CommonUI

Recentering on Meta Quest doesn't work

This is a serious issue as it's causing applications to fail certification on the Meta Quest store ...

TSR fix excessive flickering when subpixel details are in history but not input image

Some debug modes do not work in PIE

It looks like the output of the debug pass is ignored, and the final output from the last frame before the pass was enabled is displayed instead. If the pass is modified to return a different textu ...

Combined Translate and Rotate Mode broken when using Local Space

From UDN: When using the Combined Translate and Rotate Mode we run into an issue where the rotation arrow moves twice as fast as the coordinate frame. The object itself rotates correctly, but if we ...