Pressing the Add Key button in the details panel does not work with multiple actors selected

UE - Anim - Sequencer - Aug 30, 2022

It looks like adding keys through the details panel only works correctly for the first selected actor in the world outliner. WORKAROUND Auto keying seems to pick up the multiple edits as expecte ...

Material Instance Editor Bug: Vector Parameter Channel Names not showing up in Layer Parameters panel

UE - Rendering Architecture - Materials - Aug 30, 2022

Material Layers do not properly display parameter custom names in the same way that regular materials do.  [Link Removed] ...

Breaking level instances does not adequately fix up actor references

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 29, 2022

Details in link. ...

HighResolutionScreenshot result changed after migration to UE5

UE - Graphics Features - Aug 27, 2022

There was no problem in UE4. It can be fixed on UE5 by the following workaround.console command 'r.Editor.Viewport.MaxRenderingResolution' set 'Realtime off' on viewport  ...

Crash when deleting function referenced by instanced object.

UE - Editor - UI Systems - UMG - Aug 26, 2022

Reloading a Blueprint asset will unnecessarily recompile its dependencies.

UE - Gameplay - Blueprint - Aug 25, 2022

When a Blueprint asset is reloaded, we are currently serializing its CachedDependencies list during the discovery of potential referencers. This can lead to incorrectly treating all dependencies as ...

Crash when dragging and dropping sub-level Actors into HLOD Outliner

UE - World Creation - Worldbuilding Tools - HLOD - Aug 25, 2022

In 4.27.2 a new cluster is created without any problem. ...

FBX animations generated under fractional framerates fail to import

UE - Anim - Runtime - Aug 24, 2022

We now have the following error that is generated in FFbxImporter::ValidateAnimStackif (!FMath::IsNearlyZero(SubFrame, KINDA_SMALL_NUMBER) && !FMath::IsNearlyEqual(SubFrame, 1.0f, KINDA_SMALL_NUMBER ...

Virtual Texture not streaming with Thin Translucency

UE - Rendering Architecture - Aug 24, 2022

When using a virtual texture sampler for a thin translucent material, and that material occludes other objects that sample virtual textures, the occluded objects don't stream their VT. ...

StaticMeshComponent occasionally doesn't simulate physics after SpawActor.

UE - Simulation - Physics - Aug 23, 2022

When spawning Pawns with a StaticMeshComponent with SimulatePhyscis=True, they occasionally may not simulate physics. This can be reproduced by simply repeating the respawn. The frequency of reprodu ...