Unreal Engine Issues
Unreal Engine Issues
Shadows can appear interrupted
UE - Graphics Features - May 28, 2021Screenshots of the issue are attached. Shadows can appear interrupted and cut off in UE5 Early Access This issue is occurring in //UE5/Release-5.0-EarlyAccess Binary CL 16433597 This issue is NOT o ...
Realtime Rendering toggle disabled after using Cloth Painting
UE - Simulation - Physics - Character - Jul 29, 2021After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...
abnormal planar reflection with niagara
UE - Niagara - Sep 21, 2021repro step:create new projectdownload attached file and unzip to content folderopen the map "newmap" in "app" folderplay in editor and look at the plane (see video) [Link Removed] [Link Removed] ...
Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window
UE - Anim - Sequencer - Mar 31, 2023Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...
Blend Stack node doesn't have a valid FDeltaTimeRecord
UE - Anim - Runtime - Apr 19, 2024The blend stack node doesn't generate any values for its DeltaTimeRecord. This can be tested with the fix for [Link Removed] shelved at 32747789. Since there isn't a tick record directly associate ...
Add Substrate Material Support to Lumen Performance Overview
UE - Graphics Features - Substrate - Feb 10, 2025There is a discrepancy when inspecting Substrate materials in the Lumen Performance Overview. Compared to viewing non-Substrate materials the overview show all surfaces in red indicating that Lumen ...
Cannot move instances of a hierarchical static mesh component in the blueprint editor viewport
UE - Gameplay - Components - Apr 12, 2016Can move individual mesh instances of a regular instanced mesh component in the blueprint editor, but not hierarchical ones. Originally reported as a pull request in [Link Removed], but we rejected ...
Landscape components render black
UE - LD & Modeling - Terrain - Landscape - Dec 1, 2016Workaround:Open the Landscape Material and click SaveReload the level Landscape components render black upon first-time compile. Observed in QA-Landscape - several chunks of the Landscape were bla ...
Ensure fires during nativized build while packaging for any BP class based on UAnimNotify
OLD - Anim - Oct 25, 2018Cooking will fail while attempting to convert a non-data-only Blueprint class based on the native UAnimNotify class when Blueprint nativization is enabled. Workaround in lieu of a fix would be to e ...
Certain combinations of 'bRenderStatic' and 'bNoSkeletonUpdate' on SkeletalMeshComponent produce undesirable behavior.
UE - Graphics Features - Aug 7, 2019Issues observed: - When bRenderStatic is on and bNoSkeletonUpdate is off, CachedMeshDrawCommands takes a significant chunk of time, because the scene primitive transform is being updated every fra ...