Unreal Engine Issues
Unreal Engine Issues
Directories to never cook does not appear to be working
UE - Foundation - Core - Cooker - Jan 27, 2021Marking as a regression as this issue did not occur 4.25.4 I've attached project logs and "unrealpak -list" output from both 4.25.4 and 4.26 to this ticket. ...
Crash when user enters PIE with an Oculus device connected
UE - Platform - XR - May 26, 2021The third person template project is crashing when someone enters PIE with an Oculus VR headset connected. This is a regression, as it does not occur in 4.26.2 CL 16018004. ...
DistanceFieldBentNormalAO does not appear to work with imposter UVs
UE - Graphics Features - Aug 26, 2021I have not entirely ruled out any issues with the imposter material in the repro, there's a chance this is related to the normal rotations, but turning off distancefields entirely does fix the issue ...
Planar Reflection Inverted surface
UE - Graphics 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 - Anim - Gameplay - 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 - 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] ...
Poor Vulkan RHIThread performance in Development builds on some Android
UE - Platform - Mobile - Dec 10, 2024Community-attempted workaround received in [Link Removed] Correct fix submitted to 5.6 FNMain in [Link Removed] which needs integrating into 5.5.3. ...
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 ...