Unreal Engine Issues
Unreal Engine Issues
Subsurface Profile Materials That Are Illuminated By Particle Lights Render White
UE - Graphics Features - Feb 9, 2017Due to the changes made to subsurface profile (implementation of full resolution skin shading) it now renders white or with heavily faded base colors under certain conditions. In this case it is wh ...
Frequent ensure opening meshes on Mac, locks up AMD machines
UE - Graphics Features - Jun 6, 2017REGRESSION No, I was able to reproduce the hard lock in 4.16.1. A frequent ensure occurs when opening static or skeletal meshes on Mac. Doesn't reproduce 100% of the time, but I've gotten it about ...
Duplicating Level With Large _BuiltData File Results in Editor Crash
UE - Foundation - Core - Jun 7, 2018Trying to duplicate a level in the editor that has a large _BuiltData file results in a crash. In the case of the supplied test level, it is over 3 GB. Crash repros in 4.19.2 and Main (CL 4115885). ...
When always loading last project, project logs are saved to the engine folder
UE - Editor - Aug 6, 2020Checked on the Binary version //UE4/Release-4.25 stream CL 13942748 Version 4.25.3, logs are also saved into Engine folder: \AppData\Local\UnrealEngine\4.25\Saved\Logs instead of a Project folderIf a ...
Crash sometimes occurs when enabling the Gravity tool on part of a Sketchfab object.
TM - Tools - May 4, 2024Current state Triggering Gravity on element from Sketchfab object's tree, may result in crash. For 100% reproduction rate, download 'Rank 3 Police Unit' object and apply Gravity to its element 'Rank ...
Engine Crashes When Trying To Reimport Skeletal Mesh For One That Has No Clothing Data
UE - Simulation - Physics - Character - Jan 17, 2020The engine crashes when trying to reimport a skeletal mesh that has no clothing data. This seems related to https://jira.it.epicgames.net/browse/UE-86948. Found in 4.24.1 CL#10757647 Reproduced in ...
Indirect lighting cache generates points inside interpenetrating static meshes
UE - Graphics Features - Jun 10, 2015Seems to be an issue with the indirect lighting cache where if you have interpenetrating static meshes (for example static mesh rocks that make up the ground), there are cases where the cache points ...
Blueprint Instanced static meshes generated in construction script do not bake lighting properly
UE - Graphics Features - Mar 12, 2015Blueprint's with an instanced static mesh that has instance components added via construction script will fail to build lighting correctly when the pivot is placed outside the lights radius. This ...
Real-time thumbnails causing large performance issues
UE - Graphics Features - Feb 1, 2017When Real-Time Thumbnails are enabled in the content browser and you have many blueprints with static meshes (or anything that is rendered in the blueprint's viewport), the real-time tooltips cause ...
Crash on Mac when adding Convex Collision to a mesh converted from a brush
UE - Platform - Apple - Jun 6, 2017This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...