Unreal Engine Issues
Unreal Engine Issues
Regression - Nav mesh is not generated on BSP brushes after loading a map
UE - AI - Navigation - Dec 18, 2024In UE 5.5, when loading a map and selecting "Build – Build Paths", the nav mesh is not generated on any BSP brushes (although it is correctly generated in static meshes). This did not happen in earl ...
VisualizeTexture with the BMP flag causes a crash when any mip over mip0 is requested
UE - Rendering Architecture - Dec 18, 2024When a mip level higher than 0 is requested in VisualizeTexture, the engine will crash. The root cause appears to be VisualizeTexture.cpp:924, on which an incorrect mip level is used to read a non-m ...
Dragging and dropping multiple notifies does not place all notifies in intended areas.
UE - Anim - Runtime - Dec 17, 2024When dragging multiple (tested with 4) notifie states there are a few issues. On Drop: Some notify states do not land on the correct track. On Drag: The notify states do not line up with their cor ...
Assert / crash resolving TSoftObjectPtr when exiting PIE
UE - World Creation - Procedural Tools - PCG Core - Dec 17, 2024The main landscape actor's outer level's WorldSettings gets nullified by GC on PIE end, which leads to this problem. For some reason, this only seems to occur with the attached custom game mode : it ...
Draw debug will crash visionOS
UE - Platform - XR - Dec 17, 2024Substrate SSR reflections are black
UE - Graphics Features - Substrate - Dec 17, 2024Substrate Materials do not use Screen-Space reflections. Instead, they do not have any reflections (indirect specular) on the surface. ...
IME input is ignored when There are some lines in MultiLineEditBox
UE - Editor - UI Systems - Slate - Dec 17, 2024This problem is reproduced on other widgets using MultiLineEditBox. ex.) description in source control commit log pane, comments in blueprints, etc. ...
Misalignment between meshes used in landscape spline segments
UE - Content Tools - Terrain - Dec 17, 2024When using a landscape spline with multiple segments, there can be misalignment between spline segments when the tangent length of segments are too short, causing visual seams between meshes that sh ...
UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100
UE - Graphics Features - Dec 17, 2024When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...