Unreal Engine Issues
Unreal Engine Issues
Volumetric fog flicker side screen
UE - Rendering Architecture - Nov 29, 2023The flicker is visible in Epic scalability as well, it is just smaller on screen because the fog voxels are smaller (r.VolumetricFog.GridPixelSize). ...
Masked materials on Nanite meshes with multiple material slots causes erroneous cluster culling
UE - Graphics Features - Nanite - May 22, 2024When a nanite-enabled mesh with multiple material slots has a masked material applied, nanite may erroneously cull clusters that are still visible. ...
In editor, custom primitive data dont work on instance static meshes in bp instance
UE - Framework - Components - Jun 25, 2024Changes to custom primitive data properties for instanced meshes placed in the editor work in-game but are not otherwise reflected in-editor. ...
Is there a particle smoke that matches the world lighting 100%?
UE - Niagara - Oct 14, 2024Niagara particle sprites with a Translucent Material are glowing in a completely dark area. This issue is also observed with the deprecated Cascade particles. Particle brightness is also dependent ...
Nanite - Skinned Meshes not working.
UE - Graphics Features - Oct 21, 2024The Nanite information and views from the Static Mesh Editor are not available to Nanite Skeletal Meshes in the Skeletal Mesh Editor. ...
LevelSequence Editor consumes input, even if the user last focused the Level Viewport
UE - Anim - Sequencer - Nov 27, 2024LevelSequenceEditor has input priority over the Level viewport and other editor modules even though the Level viewport has been the last one selected. An example would be a cut operation. If you ha ...
Global Invalidation causes CommonAnimatedSwitcher to flicker after animation completes
UE - Editor - UI Systems - UMG - Feb 19, 2025The common animated switcher will currently flicker for one frame when its transition animation completes if global invalidation is enabled. This appears to be caused by a visibility change (HitTest ...
Edit Condition does not work properly when the structure is used as a key for Map
UE - Framework - Blueprint - Jun 19, 2025When the structure is used as a key for Map in Blueprint, Edit Conditions does not work properly. It will be updated when you move the focus to a different location(ex. a component) and click the v ...
Nanite Skeletal Meshes Invalidate VSM
UE - Graphics Features - Nanite - Sep 17, 2025Nanite Skeletal Meshes will always invalidate VSMs, even with their Shadow Cache Invalidation Behavior set to Rigid. This does not match the behavior of non-Nanite Skeletal Meshes. ...
LODGroup in Static Mesh not properly set when cancelling confirmation
Tools - Jul 8, 2015LOD Group is not properly set when changing the setting in the static mesh editor. When the LOD Group is changed and the confirmation of overwrite message is cancelled it will still set the LOD Grou ...