Unreal Engine Issues
Unreal Engine Issues
Alpha Textures reimported via overwriting disappear from level
UE - Graphics Features - Nov 10, 2014When you reimport a texture that has an alpha by Importing and then overwriting the previous texture, all versions of that texture in any material or in the level complete disappear until you compil ...
Particle Effects Do Not Play in Transition Maps
UE - Graphics Features - Oct 24, 2016Particle effects do not seem to be playing in transition maps. Found in 4.13.1. Reproduced in 4.12.5 and 4.14 Preview 1. ...
ExponentialHeightFog is not rendering through VR
UE - Platform - Mobile - Mar 14, 2016ExponentialHeightFog does not render for Gear VR devices when both the device and project are set for Gear VR. However, the fog does appear on a project without Gear VR enabled. Occurs On: GalaxyS6 ...
Hierarchical LOD meshes are not frustum/occlusion culled
UE - World Creation - Worldbuilding Tools - HLOD - Jun 24, 2022Hierarchical LOD meshes are not frustum/occlusion culled ...
Use Camera Cut for Warmup does not take into account shot's camera cut track
UE - Virtual Production - Tools - MRQ - Aug 31, 2022Camera cut warmup does not take into account the shot's camera cut track when rendering from the master sequence. Rendering the shot alone will, however. ...
Parameters are not copied and when copy pasting a child actor component of an actor to another actor.
UE - Framework - Feb 5, 2025Linear interpolation occurs on constant tangent curve partially
UE - Anim - Runtime - Feb 17, 2025When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...
[AI] The ZoneGraph show flag is in the ZoneGraphEditor module but used during runtime in ZoneGraph module
UE - AI - Navigation - Mar 18, 2025The show flag for ZoneGraph lives in the ZoneGraphEditor module, but it is used for debugging at runtime by the main ZoneGraph module. There are protections around the type of build and some for EDI ...
AnimToTexture vertex animation stutters on looping frame
UE - Anim - Gameplay - Aug 8, 2025The AnimToTexture plugin generates an animated texture that results in a stutter when the animation loops. This looks to be related to the code in UAnimToTextureBPLibrary::AnimationToTexture which ...
Patterns On Landscape Spline Normals
UE - Graphics Tools - Terrain - Oct 31, 2025On higher-density Landscapes, Landscape Splines can lead to patterned artifacts in the geometry normals. Also tested on //UE/Release-5.6, CL:45232827 ...