Unreal Engine Issues

Ansel Wont Work if the Project is Still Open

Ansel wont work if the same project is still open while running the packaged version. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6599617 ...

DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.

Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...

Spot Lights don't work on Magic Leap if Cast Shadows is disabled.

Spot lights don't work at all with Cast Shadows disabled on the Magic Leap. Cast Shadows must but enabled even though they don't work. This can also be demonstrated in the Vulcan render preview in ...

Take Recorder crashes if actor with animation despawns during recording

Skeletal animations are finalized at the end of recording, and expect the actor to still be around, but actors can despawn during recording leading to a crash. ...

Movable point light disappeared by MinScreenRadiusForLights and appeared back looks deemed.

The movable point light is abnormally lit when it disappeared by the setting of r.MinScreenRadiusForLights rather than "Max draw distance" and appears back. After you disable and enable the "Affect ...

URuntimeVirtualTextureComponent::Invalidate does not work with Adaptive virtual textures

Sequencer autosorts alphabetically on undo

[Link Removed] Jan Kaluza 2023-09-08 15:37:18 UTC I just ran into a very frustrating bug: I have around 60 actors in a sequence, and I reordered them to be in the order that I wanted to animate them ...

Groom shadows stay visible when component is hidden

This appears to happen with both Virtual Shadow Maps and Cascaded Shadow Maps. ...

Logic error in TRange::Difference causes crash when you Trim and Preserve Left/Right and unbounded Attach section in the sequencer

TRange::Difference function does not handle bounds correctly, causes crash in the sequencer when "Trim And Preserve Left/Right" is used in the user's example project. User provided a potential fix: ...

Assert in MoviewPipelinePIEExecutor when cancelling movie scenes during rendering

When rendering a single Level Sequence with MRQ, removing the Level Sequence that is actively rendering will create an array out of bounds exception. Also confirmed in //UE5/Main, CL: 36086643 ...