Unreal Engine Issues
Unreal Engine Issues
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
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 ...
Using Start Players as Spectators checkbox does not affect Player0
UE - Gameplay - May 20, 2015When setting up a custom game mode blueprint, if the "Start Players as Spectators" checkbox is checked the first player loaded in PIE will not be in spectator mode. ...
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. ...
Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script
UE - Gameplay - Components - Oct 6, 2015Adjusting properties of a Blueprint instance's components in the level does not update references to the properties in the BP's Construction Script. Note: this would work in 4.8.3. Reproduced in 4. ...
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 ...
Calling r.DistanceFieldAO command does not work in Shipping Game
UE - Graphics Features - Mar 24, 2015Calling the r.DistanceFieldAO command does not work in Shipping Game. It is being called from inside the level blueprint with the "Execute Console Command" node. In the example projects I have it ...
REINST error breaks links in blueprints calling a blueprint component that has been altered
UE - Gameplay - Blueprint - Aug 24, 2015Changing a blueprint component (adding a function, adding inputs, etc) causes REINST errors if PIE is pressed immediately after compiling without compiling all blueprints that are calling the compon ...
Editor Crashes when compiling a 3d widget after adding array variable
UE - Editor - UI Systems - Feb 23, 2015Editor crashes when user adds array variable (any type) to a 3d widget that is used within a blueprint actor and then compiles the widget. Frequency: 4/4 Crash Reporter: [Link Removed] ...