Unreal Engine Issues
Unreal Engine Issues
Using OnlineSubsystemGoogle cause ITMS-90809 warning when uploading iOS build to AppStoreConnect
UE - Online - Jan 16, 2020Because the OnlineSubsystemGoogle for iOS use old GoogleSigninSDK(Ver4.x), when uploading the iOS build to AppStoreConnect, ITMS-90809 (using a deprecated UIWebView) will be issued. To fix this, we ...
When changing the size of detail panel for animation state in Animation Blueprint diff tool, GetSelectedProfileName will occur crash
OLD - Anim - Jun 24, 2020When trying to display BlendProfile property in Animation Blueprint diff tool, it will occur crash, because EditableSkeleton is null in SBlendProfilePicker::GetSelectedProfileName(). So, a followin ...
Overriding Component class does not work properly in grandchild class BP
UE - Framework - Blueprint - Feb 22, 2023If you set ComponentClass override in child class BP and grandchild class BP respectively, it is ignored in grandchild class. This issue is probably related to [Link Removed] ...
[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 - Rendering - Features - Shading Models - 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 ...
Disabled Skeletal Mesh Sections cause Shadow Ray Tracing Flicker
UE - Rendering - Graphics Features - Ray Tracing - Dec 12, 2025If a skeletal mesh has a section disabled the ray traced shadow will flicker when the camera or itself moves. Previously in 5.6.0 no raytraced shadow would appear if a section was disabled. This wa ...
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 ...