Unreal Engine Issues
Unreal Engine Issues
Memory stomp in UTexture2DArray::SetPlatformData
UE - Texture - May 30, 2024A crash from bad memory access can happen when clearing the textures in a Texture2DArray asset. This appears to be because the order of operations when deleting the platform data is: ``` if (Privat ...
Bright Flickering or Black Squares with Rectangle Lights Intersecting Meshes
UE - Graphics Features - May 31, 2024Rect Lights that intersect geometry can produce NaN pixels in SceneColor, which will affect bloom, FXAA, and other future passes. This can lead to large visible artifacts. The NaN values are produc ...
Nested level visibility track bug
UE - Anim - Sequencer - May 31, 2024The Level Visibility tracks part of a Subsequence are turned off every time you save the Leve Sequence. It does not happen if Level Visibility tracks are added in the main Sequence. ...
Reference to GameplayTag isn't resolved correctly if the blueprint is loaded before the GameplayTag is registered
UE - Gameplay - Gameplay Ability System - Jun 5, 2024Distant mesh / vista have visible Lumen bounces
UE - Rendering - Architecture - Jun 15, 2024Objects far outside of the Lumen Scene don't temporally accumulate screen traces, leading to heavy flickering. It appears that the temporal reprojection is failing when comparing the depth in "Scree ...
Problem with material layers using interpolator nodes
UE - Rendering - Architecture - Materials - Jun 7, 2024The Vertex Interpolator Material Expression appears to collapse separate instances from separate Material Layers, leading to visual artifacts when used. Also tested on UE5_Main, CL: 34200103 ...
Geometry with Static Shadow Invalidation Behaviour being written into invalidated VSM Pages
UE - Graphics Features - Shadows - Jul 17, 2024Geometry that has its "Shadow Cache Invalidation Behavior" set to "Static" will still draw in the dynamic shadow cache when it is experiencing WPO ...
Sequencer- New takes will not respect project setting take number if initial asset doesn't have a shot number
UE - Anim - Sequencer - Jul 18, 2024With 5.2, we allowed the take separator to be multiple characters long. But it would appear that when using this feature, if you don't also have a 'shot number' before the take separator, then the n ...
Specular lighting occurs that ignores occlusion when lighting a Subsurface material from behind
UE - Graphics Features - Dec 19, 2023Message to rebuild lights does not display after static mesh position has changed
UE - Graphics Features - Aug 28, 2024In a static lighting environment, moving static objects no longer marks the built lighting as invalid. This prevents the on-screen warning from appearing. Regression introduced in CL: 25964466 on / ...