Unreal Engine Issues
Unreal Engine Issues
GPULightmass baking issues on AMD
UE - Graphics Features - Jul 28, 2025Volumetric Light Maps are not generated correctly when baked with GPU Lightmass on AMD GPUs. The issue has been reproduced on RX 9070, RX 9070 XT, and RX 7900 XT. ...
RHIGetAvailableResolutions returns duplicate entries when bIgnoreRefreshRate is false
UE - Rendering Architecture - RHI - Sep 17, 2015When the RHIGetAvailableResolutions function fills the array that is passed in as the first argument, it will end up filling some slots with duplicate resolutions (including refresh rate) when the b ...
Duplicated blueprints lose components
UE - Gameplay - Blueprint - Nov 2, 2015Blueprints that have been updated from previous engine versions lose components if duplicated. The original blueprint retains all components but all duplicates lose them. ...
Typo in Auto Activate Tooltip within Blueprint Components
UE - Gameplay - Oct 12, 2015Blueprint tooltip on auto activate within a blueprint component reads: Whether to the component is activated at creation or must be explicitly activated. It should read: Whether the component ...
Shuffling often does not shuffle last index of array
UE - Gameplay - Blueprint - Oct 7, 2015Shuffle disproportionately does not shuffle last index in the array when using the "Shuffle Array" node. ...
Preview Instance can still trigger print strings when you PIE
OLD - Anim - Apr 10, 2015In the given answerhub example, the user has a print string coming from IsNotValid on a check of *TryGetPawnOwner*. This is returning a false negative to him when he PIE's because the Preview insta ...
Can only preview one camera from a Blueprint actor in the level viewport
Tools - Mar 24, 2015Selecting a blueprint with a camera in it will allow you to preview the camera, but if your blueprint has more than one camera you can only preview the highest one in its heirarchy. With the abilit ...
Output log spams errors if blueprint variable is right clicked
UE - Gameplay - Blueprint - Apr 16, 2015Errors spam in output log when any variable is right clicked in the blueprint event graph. Update: This seems to occur only in character blueprints. Attempted in Actor BP with no success. ...
Default value for struct cannot be set to same value as parent in child blueprint
UE - Gameplay - Blueprint - Jan 29, 2015Child blueprint cannot set value of inherited struct variable to same value as parent. ...
UV Layout Changes on export from Engine to Maya and Max
UE - Editor - Content Pipeline - Import and Export - Jan 19, 2015The UV layout of a Mesh is altered slightly when exported from the engine. It becomes more noticeable on objects as their UV Islands shrink in size. Given a default full 0-1 unwrap it looks like t ...