Unreal Engine Issues
Unreal Engine Issues
iPadOS AR App Crashes when ARKit's "Use Scene Depth for Occlusion" is Enabled
UE - Platform - XR - Dec 13, 2024Does not crash in 5.4 on same hardware so looks like a regression. Attached Unreal logs indicate source of critical error: 'FARKitCameraOverlayMobilePS' shader uniform expression set mismatched sh ...
M_Cave_Ground_Mud has an error which keeps floor in Particle Effects Sample from Rendering
Docs - Samples - Sep 29, 2015Something must have changed with how LERP's or Vector Transforms deal with a float 0 value, which breaks this particular material Error:[Image Removed] Fix:[Image Removed] ...
Plugin Type breaks XCode syntax hightlighting
UE - Platform - Apple - May 16, 2017Setting a plugin module's type to "Editor" causes syntax highlighting in XCode to break for .cpp files in that module. Setting the type back to Runtime fixes the behavior ...
[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GetParentLayout() [detailcategorybuilderimpl.h:166]
Tools - Aug 22, 2017This is an intermittent crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to [Link Removed], fixed i ...
Editing sub-components of an instanced blueprint will lose selection of current property value after pressing enter
UE - Gameplay - Jul 24, 2019Result of pressing enter when editing text in a subcomponent (of an actor that exists in world) has different behavior than elsewhere in the editor. Confirmed in 4.24 MAIN @ CL 7519848 ...
VR Mode - Landscape Mode - Flatten tool crash
UE - LD & Modeling - Terrain - Landscape - Sep 25, 2019Crash will occur when attempting to use Flatten tool on landscape while in VR Editor. Confirmed in 4.24 MAIN @ CL 9084132 Confirmed on Vive and Rift ...
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 ...
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. ...