Unreal Engine Issues
Unreal Engine Issues
ARKit - Handheld AR Template Experiences Periodic Hitches when Quick Launched
UE - Platform - Mobile - Jan 14, 2025Reproduced 3/3 times. Regression testing in progress. Issue was reproduced on both Windows and MacOS launching onto iOS. Issue does not reproduce when packaging and installing an .ipa app. ...
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. ...
Validity of a workaround for an issue with MobileRenderer where RecieveShadow can't be rendered properly
UE - Platform - Mobile - Nov 11, 2024Dynamic instancing is likely causing an issue where meshes that need shadows are getting combined with meshes that do not need shadows causing missing shadows. Tests were done with CSMs. Reproducti ...
Safezones on Android not set properly when orientation changes
UE - Platform - Mobile - Nov 5, 2024Looks like the resize that does the safe zone update is done before the orientation is updated. I suggested swapping the order to licensee in the UDN ticket and it worked for him. This should be t ...
Volumetric Fog has no shadow on mobile
UE - Platform - Mobile - Oct 31, 2024Mobile Depth of Field blurry eveywhere
UE - Platform - Mobile - Oct 30, 2024user reports I investigated the problem throught the frame capture tools and found that on a real device (iPhone 15 Pro in my case), the depth texture for the SunMask pass is not set (a dummy black ...
UE 5.4.3 Android - Unable to Use Console Command with bShowLaunchImage=False
UE - Platform - Mobile - Aug 16, 2024Post Process Material Chain Graph does not work with the mobile renderer
UE - Platform - Mobile - May 31, 2024Shader compilation errors when packaging for iOS after disabling force full precision
UE - Platform - Mobile - May 29, 2024User report: I want to run iOS shaders with half precision floats as I do on Android. If I disable Force 32 bits Floating Point Precision, there are unfortunately a bunch of shader compilation error ...
Nanite mesh shadows not updating when CSMCaching enabled
UE - Platform - Mobile - May 25, 2024A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...