Unreal Engine Issues
Unreal Engine Issues
IOS GPU Hang Error (IOAF code 3) and Crash when rotating to Landscape
UE - Platform - Mobile - Oct 11, 2018When users rotate to landscape in QAARApp the apple device will encounter a GPU Hang error and crash.Execution of the command buffer was aborted due to an error during execution. Caused GPU Hang Err ...
5.5.3 insights crashes when opening .utrace files with "RenderCommands,RDG,RHICommands" channels.
UE - Foundation - Insights - Feb 19, 2025The customer provided reproduction steps and a trace file that crashes Insights. From the customer: manually placing if (!CurrentGraph) Unknown macro: { return; } nullchecks in RenderGraphInsi ...
Depth Fade Material + Mobile HDR Disabled does not work with OpenGL 3.1 on Oculus Go
UE - Platform - Mobile - Dec 28, 2018"Depth Fade" material node does not work on Oculus Go with Open GL 3.1 active and Mobile HDR disabled. Seems very similar to [Link Removed] however disabling Separate Translucency or calling r.M ...
The size of packaged projects in 4.7 preview 8 is almost double that of the same project in 4.6.1
UE - Gameplay - Feb 17, 2015Packaged projects in 4.7 preview 8 are significantly larger than the same projects in 4.6. Packaged projects for comparison: \\epicgames.net\root\contractors\Tim.Lincoln\Packaged Projects ...
With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the right eye
UE - Platform - XR - Jul 8, 2016KevinR: Make sure you are using Temporal AA (TXAA), and I was using SteamVR/Vive With Accurate Velocities from Vertex Deformation and Instanced Stereo enabled anti-aliasing does not affect the righ ...
DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1
UE - Platform - Mobile - Mar 29, 2019DDX and DDY no longer work properly close to the camera in 4.21 on Android in OpenGL ES 3.1. Worked in 4.20, no longer works in 4.21 or 4.22. Originally reported as Oculus Quest specific, but repr ...
InstancedFoliageActor experiences issues with floating point precision when far away from World Origin and is not affected by Origin Rebasing
UE - World Creation - Worldbuilding Tools - World Composition - Jul 17, 2020Foliage generated by Landscape Grass Type do not encounter this issue. Only hand painted foliage with foliage tool is not affected by rebased origin. Foliage vibrates when it is located in long dist ...
The crash reporter tool does not start on Windows 8.1 machines when running the Engine built from source code.
UE - Foundation - Core - Dec 5, 2014The source code to build the Engine that is available from GitHub includes the file dbghelp.dll, which prevents the crash reporter tool from starting on Windows 8.1 machines. This file is not presen ...
When OpenGL ES 3.1 is enabled for Android build in Handheld AR Template, camera inverts colors
UE - Platform - XR - Mar 26, 2018When OpenGL ES 3.1 is enabled in Android Build settings, device prompts user to choose to "Allow ARInvertColor to take pictures and record video". If allowed, colors are inverted by the camera. If ...
4.16 Mobile Compat Pass - QA-Decals - UI glitch when playing on a 9.3.5 iOS Device
UE - Platform - Mobile - Apr 21, 2017While testing in QA-Decals on iOS device, after loading into the project the UI will be glitched ~50% of the time. After further testing, it seems this bug only occurs on iPads running the iOS vers ...