Unreal Engine Issues
Unreal Engine Issues
Importing DDS Cubemap with a resolution of 2048 takes 20 mins to import
UE - Graphics Features - Mar 5, 2015Importing a DDS Cubemap with a resolution of 2048 takes approximately 20 mins to import into the engine. It will seemingly freeze the engine for the duration of the import. Also reproduced in Prom ...
DefaultBackBufferPixelFormat 3 washes out slate + scene
UE - Editor - Feb 16, 2022Typical view when setting is 4:[Link Removed] Problematic view when setting is 3:[Link Removed] ...
Steering Curve property does not affect steering
UE - Gameplay - Jul 21, 2015Setting the Steering Curve of a vehicle movement component has no affect on the turning of the vehicle during play. ...
Particle Systems Don't Play In Reopened Levels With ES 3.1 Enabled
UE - Niagara - Jan 27, 2020Particle systems placed in levels don't play as expected on level load when using ES 3.1 Preview. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11115840 ...
Hair Shadows Not Affecting SSS Back Scattering (Subsurface Profile)
UE - Rendering - Graphics Features - Mar 30, 2026Groom strands do not appear to correctly block transmitted light for Subsurface Scattering Profile Materials. In some cases, not only will they not block the light, but can instead lead to more ligh ...
LocalHeightFog placed in 5.3 projects are invalid and not appearing when the project is updated to 5.4
UE - Graphics Features - May 24, 2024LocalHeightFog actors placed in levels for 5.3 projects are invalid and not appearing in levels after the project is upgraded to 5.4. This is likely due to LocalHeightFog being renamed to LocalFogVo ...
Landscape materials do not correctly render on iPhone 5S with version 8.3 installed
UE - Graphics Features - Jun 17, 2015[JoshA] This is a bug in the Metal renderer. Basing on the screenshots in the Comments, it looks like some sort of precision issue in Metal shaders? Landscape materials incorrectly render when depl ...
Deactivating a shot section from scripting does not affect evaluation
UE - Anim - Sequencer - Jun 23, 2021Disabling a shot from scripting will not affect evaluation of the sequence. ...
Visibility of World Outliner doesn't affect skylight
UE - Graphics Features - Nov 27, 2018Visibility of World Outliner doesn't affect skylight. But it affects other kinds of lights like Point Light, Directional Light. I found that USkyLightComponent::CreateRenderState_Concurrent() doesn ...
NavMesh does not update properly when "Can Ever Affect Navigation" is toggled (For Static Meshes)
UE - AI - Sep 15, 2015This issue is related to [Link Removed] (which was fixed). However if the user creates a new actor and then adds a static mesh they can end up with permanent holes in their nav mesh. If the user tog ...