Unreal Engine Issues
Unreal Engine Issues
An array of structures variable has its values reset when the structure is modified without recompiling the blueprint
UE - Framework - Blueprint Compiler - Apr 2, 2021An array of a structure that has been modified without the array's blueprint being complied results in the values of the array element being reset. Compiling each blueprint that has the array of str ...
Dark square appears in hair in direction of spotlight when shadows disabled
UE - Graphics Features - Sep 18, 2024A dark square appears in the direction of a spotlight on hair when the spotlight has no shadow. [Image Removed] In UE 5.4 the dark square is visible when the spotlight has no shadow, and a light s ...
No warnings or errors if a UEnum has Bitflags metadata, but no Flags flag.
UE - Framework - Blueprint Compiler - Jan 29, 2025The problem here isn't obvious: the native enum, EAnotherEnum, is missing the Flags flag for the UEnum. As a result, K2Node_GetEnumeratorNameAsString returns the max enum when it gets a combined fla ...
Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly
UE - Anim - Rigging - Retargeting - Feb 13, 2025Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted. Users have to refresh the properties that select the base pose in order to fix the ...
Changing Texture compression settings breaks Materials with mismatch on Texture Sample Sampler Type
UE - Rendering Architecture - Materials - Aug 5, 2015If you change a texture's compression settings, materials will show errors because of a mismatch in the Sampler Type of Texture Samples. This can be fixed by adjusting the Sampler Type and re-savin ...
Delete Unused Variables Does Not Remove Local Variables
UE - Gameplay - Blueprint - Oct 13, 2015Using the Delete Unused Variables option under the Edit tab of a blueprint does not remove local variables. Instead, it displays a "All variables are in use" error. Occurs in 4.9.2 and 4.8.3 binar ...
Variable Names with a Leading Space Cannot be Copied
UE - Gameplay - Blueprint - Nov 9, 2015If you begin a variable name with a space, attempting to copy any instances of that blueprint will prompt an error warning: "Unknown property in <BlueprintName>: <VarName> = <Value>. Found in 4.9.2 ...
Hidden In Game option for Layers in TileMap Editor not working
UE - Gameplay - Paper2D - Oct 26, 2015Using the 'Hidden in Game' option in the Tilemap Editor does not hide the associated layers in game as expected. I tested this issue in 4.8.3, 4.9.2, and 4.10 Preview 2 binary releases and the issu ...
OBJ file causes a `Debug Assertion Failed!` error
UE - Editor - Content Pipeline - Import and Export - Dec 23, 2015When importing this users file of an OBJ asset there will be an assertion failed error. On the import message if you hit "ignore" until the mesh imports all will work in 4.10 or later. This was no ...
Double-Clicking a Camera in the World Outliner Causes it to Rotate to Face the Direction in the Viewport
Tools - Sep 24, 2015Double-clicking on a camera, which normally takes you to its location, also rotates the camera so that it faces whatever direction you were facing in the viewport prior to clicking on the actor in t ...