Unreal Engine Issues
Unreal Engine Issues
Mesh Paint mode's Texture Paint has obvious artifact with UV seams
UE - Rendering Architecture - Oct 8, 2024Mesh Painting Texture Paint tool can miss some pixels along UV seams, even with "Enable Seam Painting" set to True. This appears to be because of the difference between rasterization and sampling. ...
The DistanceCurveModifier generates Distance Curves with zero values for Root Motion animations
UE - Anim - Gameplay - Jun 30, 2025The DistanceCurveModifier data modifier generates curves that return zero values only. This issue has been tested on several Animation Sequences with enabled Root Motion and always occurred. ...
Activating physics on a component will break movement for the component
UE - Gameplay - Aug 4, 2015Setting simulate physics for a component of an actor will cause that component to not react when the actor root is updated. ...
Clipping bsp brush rotates clipped face on brushes that have their X,Y,Z values altered
UE - LD & Modeling - Modeling Tools - BSP - Sep 17, 2015If a bsp brush is rotated, then the brush clipping feature is used the "Brush Clipping" feature will rotate the created face by 90 degrees or disappear entirely (if set at an angle). ...
Game Instance being initialized twice in Android build
UE - Gameplay - Feb 11, 2015When a project with a C++ custom game instance is packaged for Android, the game mode is initialized twice from different paths. Device log files attached ...
LIVE: Multiplying an FQuat*FQuat via pass-by-value crashes editor on open
UE - Foundation - Core - Nov 5, 2014If a function takes in an FQuat value and then multiplies it by an FQuat, the project will build properly but then crash when trying to launch the project in the editor. Example project available b ...
Data Only blueprints Class Defaults page become uneditable during runtime
UE - Gameplay - Blueprint - Aug 7, 2015During runtime, a data only blueprint's class defaults tab becomes greyed out and uneditable during runtime. The values for specific instances can still be edited via the detail's pane. ...
Grass draws on landscape holes
UE - LD & Modeling - Terrain - Landscape - Jul 14, 2015Grass output in materials draws over masked locations, such as landscape visibility holes. ...
Changing the Pin Type on the 'Select' node can cause errors with pins that have been split
UE - Gameplay - Blueprint - Jun 1, 2015Changing the Pin Type on the 'Select' node can cause errors with pins that have been split. ...
Distance Field AO leaving trail of occlusion shadow where character mesh has been.
UE - Graphics Features - May 21, 2015When using DFAO and moving around the world a trail will be left behind the where the player has been while PIE/Standalone game is being used. This is cleared when exiting these modes. **Video att ...