Unreal Engine Issues
Unreal Engine Issues
Chaos Cloth Self Collisions Spatial is slow when Tris are much smaller than thickness
UE - Simulation - Physics - Character - Apr 21, 2023This came via a UDN. Very small triangles can generate very small lods, which make query time really slow if your self collision thickness is significantly larger. You will do X^3 checks per query ...
iOS ReplayKit isn't working in UE5.1+
UE - Platform - Apple - Apr 21, 2023In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...
Race condition in cached mesh draw commands removal.
UE - Rendering Architecture - RHI - Apr 21, 2023A wait was removed from UpdateAllPrimitivesSceneInfos that introduced a race condition with mesh draw command caching. ...
Toggle Folder Visibility Inconsistent in Scene Outliner With Search
UE - Editor - Workflow Systems - Apr 20, 2023In the scene outliner, if you add a folder with one visible actor in it, and filter out some of the actors, users are unable to toggle the visibility of the folder anymore, or they are only able to ...
Missing BP/Python functionality to set a viewport OCIO configuration.
UE - Virtual Production - Rendering - Color - Apr 20, 2023Multiple vendor's asked if there could be a way to programmatically set the created OCIO config for a viewport and select the source/dest settings as well and enable/disable the config. The curren ...
Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating
UE - Simulation - Physics - Destruction - Apr 19, 2023This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...
Investigate render flush at SkeletalMeshComponent InitLODInfos
UE - Anim - Rigging - Apr 19, 2023From UDN : we are spawning a number of characters at the same time during the game, and seeing a major framerate hitch when we do so. After the characters have been spawned, we use SetSkinnedAssetA ...
Lumen tile classification flicker
UE - Graphics Features - Lumen - Apr 19, 2023While we suggest using screenpercentage at 25%, it is visible at higher percentages. Video showing the flickering:https://udn.unrealengine.com/s/contentdocument/0694z00000Qw4jPAAR ...
Subsurface shading model is broken when ray traced shadows are used in 5.1+
UE - Graphics Features - Ray Tracing - Apr 19, 2023Volumetric fog rendering gets cut off at the apex for some spot lights when viewed from certain angles
UE - Rendering Architecture - Apr 19, 2023Fix is found in licensee’s pull request:https://github.com/EpicGames/UnrealEngine/pull/10333/files ...