Unreal Engine Issues
Unreal Engine Issues
[MetaSounds] - Browse to Asset button on Wave Player Node does not work
UE - Audio - MetaSounds - Sep 21, 2021Selecting the Browse button on a Wave Player asset does not load the location of the selected asset for previously saved MetaSounds. Changing the Wave Asset to another Sound Wave and then selecting ...
FPackageName::SearchForPackageOnDisk fails to find maps when using IOStore
UE - CoreTech - Sep 26, 2022This bug was discovered by a user who tried changing level through the 'servertravel' console command (HandleServerTravelCommand). Debugging shows that FindFilesAtPathInIndex won't return anything ...
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. ...
Input Mapping Context entries can get into a corrupted state when swapped with another entry that has a Combo Trigger.
UE - Gameplay - Input - Aug 23, 2024This behaviour was working correctly in version 5.3. This issue happens inside an InputMappingContext DataAsset from the EnhancedInput system. We need at least two mappings entries. One of the entri ...
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. ...
Race condition triggers an ensure 'bIsInitialized && Other.bIsInitialized' inside FVisualLogEntry::MoveTo on animation worker thread
UE - AI - Debugging - Oct 18, 2024A licensee reported occasionally triggers an ensure during automation testing, potentially when the GameThread flushes Visual Logger via FVisualLogger::Flush() and an animation worker thread executi ...
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 ...