Unreal Engine Issues
Unreal Engine Issues
Planar Reflection Inverted surface
UE - Rendering - Features - Sep 23, 2021Also worth noting the editor slowed significantly with the planar reflection in the scene. Regression checked in //UE4/Release-4.26.2 CL15973114 and the issue does not reproduce there ...
Incorrect mesh offset behavior when playing a forward start after following "Adapting Lyra animation to your UE5 game"
UE - MVF Character - Animation - Oct 13, 2022See the answer in the UDN: [Link Removed] We may want to update the blog post with a suggested fix, or wait until the automatic root offset tech is production ready. ...
GPU particles disabled on Quest
UE - Rendering - Architecture - Niagara - Feb 9, 2024GPU particles were disabled on Quest 1 due to a compute issue. We need to validate / fix issues for Quest 2 / Quest 3. Reported in [Link Removed] ...
Niagara Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
Cannot Preview a Node in a UI Material
UE - Rendering - Architecture - Materials - Mar 18, 2016Previewing a Node in a UI Material will not show anything, or will remain showing what is placed in Final Color. This issue appears to be fixed in Dev-Main as of CL-2914624. ...
Import options broken when importing bones-only fbx animation
OLD - Anim - Jun 19, 2015This bug is being entered for integration purposes. This is already fixed in 4.9 Main with one of Lina's changes (CL:2584657). Wanted to try and get this into a 4.8 hotfix ...
When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered
UE - Audio - May 31, 2016When playing matinee, scrubbing can cause sound to keep playing when it isn't triggered Note: This was entered as a bug to re-work the fix from the pull request found here: [Link Removed] ...
Cannot manipulate Skeletal Mesh Components with Transform Gizmo in Blueprints
UE - Gameplay - Blueprint - May 6, 2016Cannot manipulate Skeletal Mesh Components with Transform Gizmo in Blueprints This DOES NOT occur in 4.11 or 4.13. Fix from 4.13 will need integration to 4.12. ...
[CrashReport] D3D 'Hung' crash - FD3D11DynamicRHI::ReadSurfaceDataNoMSAARaw
UE - Graphics Features - Jan 4, 2017This is a frequent D3D Hung crash, similar to [Link Removed] and [Link Removed]. A potential fix for the other crashes was released in 4.14.2, but this crash is still occurring on that release. ...
UMG element clipping does not work on Galaxy S8 (Mali)
UE - Platform - Mobile - Mar 13, 2018UMG clipping requires stencil. Seems like we don't request stencil when creating backbuffer Changing const int EGLMinStencilBits = 0; to const int EGLMinStencilBits = 8; fixes this. ...