Unreal Engine Issues
Unreal Engine Issues
Aperture Value in Lens category of CineCamera has no effect
UE - Graphics Features - Mar 15, 2018Aperture Value in Lens category has no effect ...
Extreme hitching when using profile command (stat startfile) + other stat commands
UE - Foundation - Core - Apr 19, 2018Running the "stat startfile" command in a 4.19 project causes constant editor hitching. Running the same command in a 4.18 project does not produce any hitching by comparison. ...
Sequencer 3D Trajectories run very slow on deep hierarchies
UE - Anim - Sequencer - Aug 27, 2018Using a Level Sequence with deep hierarchies causes the FPS to drop to low numbers when they are all selected within the Sequence. This is a regression from 4.19.2 (CL-4033788). This issue was repo ...
Float value of AIDataProvider_QueryParams is cast faild
UE - AI - Oct 9, 2018IntValue and BoolValue is always indefinite value in UAIDataProvider_QueryParams::BindData(). Attach the result of Watch in VS. ...
Showing black screen when drawing Distortion and DOF on Android
UE - Platform - Mobile - Jan 13, 2019[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378), the "UseFetch" is true as the Android device support shader fra ...
Enum editor not adding new enum values
UE - Gameplay - Jul 22, 2019Blueprint enumeration editor is not adding new enum values. ...
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Shader Complexity viewmode doesn't work on masked & pixel depth offset material
UE - Rendering - Architecture - RHI - Nov 11, 2019Materials with mask and pixel depth offset appear to be empty in Shader Complexity viewmode in SM5. Both happens in material preview and world viewport. [Image Removed] Works fine in ES31. [Ima ...
Merging actors with two-sided materials produces incorrect results
UE - World Creation - Worldbuilding Tools - Merge Actor - Feb 24, 2020Merging two actors using a two-sided material produce incorrect results. Notes: Tested with "Allow two-sided material" on and off, the same result is produced. The same issue can be seen when ge ...
Cannot navigate to native function source code from blueprint editor
UE - Foundation - Core - Feb 1, 2020REGRESSION RANGE WORKING: 9404494 (right before Dev-Core copy up at 9405827 BROKEN: 9407021 (Dev-Networking copy up) NavigateToFunctionSource: Unable to find symbols for 'UPaperFlipbook::GetNumFr ...