Unreal Engine Issues
Unreal Engine Issues
Half precision is not supported for OpenGL ES 3.1 Pixel Shaders
UE - Platform - Mobile - Apr 6, 2018Fix the cross compiler so half precision is supportedAdd a project setting to specify the default precision to support on ES31. Be sure the shader version takes this setting into account. — User des ...
Point lights affect indirect lighting on RTGI much less than other types of lights
UE - Graphics Features - Lumen - Aug 4, 2020Only point lights affect indirect lighting on RTGI much less than other types of lights.[Link Removed] Indirect lighting of baked lightmaps look much stronger than RTGI.[Link Removed] Apparently, ...
Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse
UE - Editor - UI Systems - May 12, 2017Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...
Crash on launch from executable after upgrade from 4.7.3 to 4.7.4 (CachedAssetRegistry.bin corruption).
Tools - Apr 3, 2015A user is reporting a crash on launch when launching from the executable rather than the Launcher. User did not have the problem in 4.7.3. No logs or additional information was provided beyond this: ...
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 ...