Unreal Engine Issues
Unreal Engine Issues
Foliage cannot be selected after deleting a single instance
UE - World Creation - Worldbuilding Tools - Foliage - Jan 12, 2023This issue occurs in both World Partition and Non-World Partition levels, and does not seem to occur with Nanite meshes. You can still select Nanite foliage instances after placing them, but selecti ...
[Attenuation][Air Absorption] - When the listener moves across the min-distance transition point, the HPF pops
UE - Audio - Spatialization - Apr 21, 2022A pop can be heard when crossing the Air Absorption distance range while using an HPF. From Slack: "I tracked it down to specifically the HPF – it's when the filter turns on, it jumps instantly to ...
Cracks in Nanite Tesselated Landscape
UE - Graphics Features - Nanite - May 13, 2024Landscape component edges can become disconnected when using Nanite Tessellation at the edges of weight-blended layers. ...
NavMesh debug material color is changed by lighting with high lux values.
UE - AI - Debugging - May 23, 2024There is a clear difference in color saturation for the nav mesh debug material between when lit by a light with low lux values (6) and when lit with high lux values (1000) and eye adaption is enabl ...
Flickering shadows/GI when DrawMaterialToRenderTarget is called per tick in PIE
UE - Rendering Architecture - Jul 11, 2024When DrawMaterialToRenderTarget function is called on tick and actors are spawned in game, the lumen shadow/GI visually flickers. Debugging shows that the lumen screen probes are flickering as well. ...
Montage Section Links Don't Update When Section Deleted
UE - Anim - Gameplay - Mar 21, 2025Hi there, I noticed that there is a problem with Montage Section links not updating when a section is deleted from a montage asset. We had a montage with a "Default" section and a "Loop" section. ...
Sampling textures with bias in the path of a custom data pin causes derivative operations when avoidable
UE - Rendering Architecture - Materials - Apr 8, 2025Materials that make use of the analytical derivatives path to avoid hardware derivatives can still generate derivative operations on texture samples when the shading model has a custom data pin and ...
Vehicle Template dashboard texts is blurred when moving
Docs - Samples - Jan 14, 2015Descrition: When using the vehicle template the text rendered on the dashboard when using the car is blurred. This seems likely to how the text here is setup vs the hud for the 3rd person view. ...
Blueprints components setup through code cannot have the parent socket set inside the blueprint
UE - Gameplay - Blueprint - Aug 28, 2015If a component is created/setup through code and set as the child of a mesh component, clicking the magnifying glass in the Parent Socket field does not bring up the list of mesh sockets to attach t ...
[Linux] Setting fullscreen game resolution below set window resolution does not stretch the game across the window.
UE - Platform - Linux - Aug 13, 2015If the resolution of the game is set to something lower than the screen resolution and then set to fullscreen the game will not stretch to fit the screen and portions will be left black. ...