Unreal Engine Issues
Unreal Engine Issues
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 ...
[Interchange][FBX] Issue with asset name clashes after auto import
UE - Editor - Content Pipeline - Import and Export - Jan 22, 2025The mesh changes and the asset name stays the same while the two FBX are completly different: different filename, different mesh names in the FBX CF video for repro steps. https://forums.unreale ...
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 ...
Light Propagation Volume Occlusion Intensity not working as intended
UE - Graphics Features - Oct 26, 2017Light Propagation Volume Occlusion does not affect scene as it should. The workaround in 4.17.2 is to disable DBuffer decals which will enable the Light Propagation Volume Occlusion. Occurs in 4.1 ...
Project fails to build for iOS from Windows when Generate .uedebugsymbols is enabled
UE - Platform - Mobile - Jan 9, 2018This does not occur in 4.18.3 at CL 3823254UATHelper: Packaging (iOS): ERROR: System.IO.DirectoryNotFoundException: Could not find a part of the path 'D:\Epic Games\UE_4.19\Engine\Binaries\ThirdPa ...
Primitive Render Mode has bad enum name and tooltip
UE - Graphics Features - Jan 17, 2018There is an extra option for the Planar Reflections with the Primitive Render Mode that appears to have the tooltip legacy. This issue does not appear to be a regression. Versions Tested: Issue occ ...
Material Set to Additive Blend Mode Does Not Render Correctly in Planar Reflections
UE - Graphics Features - May 2, 2018This behavior has been observed in 4.17, 4.18, and 4.19 release versions. Per Licensee: In our game they player's hands are represented by glowing blue orbs and in planar reflection surfaces they ...