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 ...
Actors transforms broken in cooked builds when their parent is an IsEditorOnlyActor
UE - Framework - Oct 7, 2025When creating a hierarchy of Actors in the Outliner, the transform of the "child" actors will be reset if their Parent's IsEditorOnlyActor property is true. The project in the EPS case is using ...
Ctrl-Z does not function in Static Mesh Editor
Tools - May 26, 2015When applying a Material to a Static Mesh in the SM Editor, an event for the undo function is never created and when you undo you are undoing the last action outside of the SM Editor. Also reproduc ...
Canceling the Color Picker while modifying Curve Editor colors Moves Transforms Curves
If the user presses 'Cancel' when modifying colors using the Color Picker within the Curve Editor, the curves points are all transformed. Issue is reproducible in the below engine versions: 4.8.3 - ...
Crash on device When using 'shot' console command on a iOS metal device.
UE - Platform - Mobile - Apr 27, 2015When entering the Console command 'shot" on an iPhone 6+, the device will crash immediately. Tested on an iPhone 6+, iPhone 5 (8.1), and a Galaxy Note 10.1 Tablet. Unable to test on 2522625 becaus ...
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 ...
Stacked Material Nodes become difficult to read
UE - Rendering Architecture - Materials - May 13, 2015Material Nodes, particularly Constant Vector 3s and Texture Samples, become difficult to read when users overlay them like stacked cards. [Image Removed] Also reproduced in Main Promotable-CL-2548 ...