Unreal Engine Issues
Unreal Engine Issues
Editor crashes when actors using child actor component are loaded while Static mesh actor filter is enabled in the outliner
UE - Editor - Dec 5, 2022Reproduced 3/3 times. Unclear whether this is a regression as filter GUI is new in 5.1 for Outliner. ...
Compilation error in Mac editor builds when adding UWorld::IsStreamingLevelBeingConsidered function
UE - World Creation - Worldbuilding Tools - Jun 30, 2023This code passes the build when compiled using the windows editor (Visual Studio), but fails when compiled using the mac editor (XCode). Adding ENGINE_API to struct FStreamingLevelsToConsider and ex ...
LogUMG: Error: The requested size for SRetainerWidget is 0. W:739 H:0 when opening or updating a curve using the StackedCurve view
UE - Anim - Sequencer - Feb 6, 2023The following error is generated in the Output log whenever a Wave Table is opened or any of the graphs are modified. It also occurs when adding an Input to a Sound Modulation Parameter patch or add ...
When duplicating multiple actors with alt+drag, Translation/Rotation widget goes to incorrect coordinate space
UE - Editor - Mar 4, 2024Note: This bug has been observed in all tested engine versions, from UE 4.24 to UE 5.3 and in ue-main. When shift+selecting multiple actors in the Level Editor, the currently-active transformation ...
Confirmation Dialog common UI in the Lyra Starter Game loses focus for gamepads after closing.
UE - Editor - UI Systems - Aug 20, 2024When changing the language options in the default Lyra Starter Game project (5.3 and 5.4) with a controller, the settings menu loses focus after closing the confirmation dialog. Focus can only then ...
Cursor radius set via FSlateApplication::SetCursorRadius is ignored during FHittestGrid hit testing
UE - Editor - UI Systems - Slate - Mar 16, 2026The cursor radius configured through FSlateApplication::SetCursorRadius() is not respected during Slate hit testing. The radius value is correctly stored in FSlateApplication and passed into FHittes ...
Material Editor Viewport does not display World Position Offset
UE - Rendering - Graphics Features - Mar 19, 2026The preview Viewport in the Material Editor does not correctly render World Position Offset. It appears that the RenderVelocities pass (which is also drawing the depth for the preview sphere) does ...
TBigInt allocates twice as much memory as necessary for FString input
UE - Foundation - Core - Jul 9, 2015TBigInt appears to allocate twice as much memory as necessary for the input. This produces an unexpected output of the input value. ...
Skeletal mesh defined in code cannot be set in the editor.
UE - Gameplay - Blueprint - Apr 16, 2015Defining a skeletal mesh component in code and attaching it to the root component will not allow the component's details to be editable inside the editor. ...
Text Render Actors do not maintain relative offset when attached to blueprints via construction script
UE - Gameplay - Dec 1, 2015Text Render Actors do not maintain relative offset when attached to blueprints via construction script. This did not reproduce with other actor types. Types used: Static mesh actors, blueprints, b ...