Unreal Engine Issues
Unreal Engine Issues
Landscapes do not Render when used with Lighting Scenarios on Mobile
UE - Platform - Mobile - May 15, 2017Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...
Incorrect specs in experimental mobile PIE json profiles
UE - Platform - Mobile - Jul 7, 2017I noticed three issues with the mobile PIE device preview json profiles:The Nexus5.json is a copy-paste of the GalaxyS3.jsonThe iPhone7.json DeviceModel is set to "IPhone7Plus"iPhone 5 is present in ...
Japanese error outputs do not displayed correctly in Cook Content output log
UE - Foundation - Core - Cooker - Jul 27, 2017When using the editor in Japanese, the warning/error summary for "Cook Content for Windows" gets garbled. This makes debugging cook related issues difficult. ...
ParticleCutout don't work when AlphaThreshold is 0
UE - Graphics Features - Dec 16, 2016UParticleModuleRequired::PostEditChangeProperty use "AlphaThreshold > 0". So, if AlphaThreshold = 0, particlecutout don't work. ...
Physics values uneditable in instances of placed Actors
UE - Simulation - Physics - Apr 11, 2018Most physics options are not editable in placed instances of a Static Mesh with an Actor Parent. ...
-culture= Launch Parameter no longer working when launching standalone game
UE - Editor - UI Systems - Localization - May 8, 2018Launch parameter for changing culture no longer working with additional launch parameters. Also tested on packaged 4.19 project with same result. ...
Steam VR hitch with 3d UMG Widgets
UE - Platform - XR - Jul 30, 2018After ~30 minutes, a scene with 3D UMG widgets will hiccup, briefly showing the steamVR background Attached Example project from User VRDropedFrame (4.19) + Example project I created AJ_VRWidgetPe ...
Input Axis Mapped to 'Pinch' no longer sends Axis Value
UE - Platform - Mobile - Feb 15, 2019Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS Confirmed in MAIN 4.23 @ CL 4961509 ...
Assertion failed: PlatformNeedsExtraDeletionLatency()
UE - Rendering Architecture - RHI - Mar 5, 2019Animating a HISM along a spline when many other HISMs are present will result in a crash in 4.22. Confirmed in 4.23 MAIN @ CL 5291468 ...
Incorrect Skysphere Material Reflection with Ray Tracing
UE - Graphics Features - Lumen - Mar 5, 2019The reflected Sky material looks blurry and low res when set to unlit, however setting the material to Default Lit has the correct reflection. Even though the reflection is correct the lighting brea ...