Unreal Engine Issues
Unreal Engine Issues
Cloth environment collisions with APEX clothing is not thread safe.
UE - Simulation - Physics - Character - Jan 17, 2017This looks like a thread safety bug that's been in the clothing system for a very long time. Essentially a skeletal mesh component does a transform update and attempts to update the collisions of a ...
iOS movie become laggy and crashes when played in iPhone 6/6s.
UE - Platform - Mobile - Feb 24, 2017Movie play in iOS is laggy and crashes in some movie. This issue seems to be happening when the movie is played in umg widget. Tested in 4.14.3 4.15 Dev_Mobile Latest as of 2/24 Original UDN post ...
User project crashes after changing struct
UE - Gameplay - Blueprint - Aug 10, 2017Extreme 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. ...
Search results appear incorrect when using the "OR" operator in the content browser with number at the beginning
UE - Editor - Content Pipeline - Content Browser - May 1, 2018When using the OR operator in the search bar of the content browser it appears to return wrong search results when the asset's names begin with a number. ...
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. ...
Cannot (Easily) Change the Case of Folder Names in the World Outliner
Tools - Jul 11, 2016In the World Outliner, without the following workaround, you cannot simply change the case of a folder name from upper to lower case or vice versa. EXAMPLE: map -> Map = map WORKAROUND: Change "M ...
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 ...
Default pose is displayed in the first frame when playing with Sequencer
UE - Anim - Sequencer - Jan 28, 2020The problem is that the camera is evaluated when the sequencer is played, but the animation does not seem to play properly. It seems that the licensee found this problem when implementing it in C++, ...