Unreal Engine Issues
Unreal Engine Issues
SkeletalMeshComponent in dedicated server causes memory leak
UE - Graphics Features - Nov 8, 2023As dedicated server does not have viewport, USkinnedMeshComponent::BoneTransformUpdateMethodQueue array keeps growing and never clear. ...
Reference to material collection by Index instead of by Name causes inconsistency
UE - Rendering Architecture - Materials - Feb 21, 2024A UDN user reports materials referincing parameter collections by index instead of by name. The problem manifests itself when rearranging the order of parameters belonging to collections, as the edi ...
Lumen doesn't use correct sky light settings when GI scalability changes from Low to High
UE - Graphics Features - Lumen - Sep 24, 2024When the Global Illumination scalability settings are changed in the editor from High to Medium, they primarily act on the r.Lumen.DiffuseIndirect.Allow and r.SkyLight.RealTimeReflectionCapture. No ...
Mouse Position doesn't properly update on tick when framerate is low in standalone game
UE - Editor - UI Systems - Slate - Dec 11, 2015If a game is run in the standalone editor and the FPS drops to ~20-30 FPS, pressing an event such as LMB and returning the mouse position on tick will cause the tick to jump inconsistently. Note: ...
Crash When Curve Editor is on When Animating Button Transform in Widget Blueprint
UE - Editor - UI Systems - Mar 18, 2016In a Widget Blueprint, after animating a button to transform vertically (possibly other directions) with the Curve Editor active, engine will crash upon creating a second animation. ...
Engine Crash When Enabling Distance Field Global Illumination and Opening TM-LightingFeatures
UE - Graphics Features - Jan 11, 2017I was able to open the level once and after a few seconds of being opened the editor crashed while compiling shaders and generating mesh distance fields. Since then I have not been able to open th ...
Character floats off of ramp when walking into a wall that is slightly sloped
UE - Gameplay - Player Movement - Mar 24, 2017Character floats off of ramp when walking into a wall that is slightly sloped. The wall angle is well above the walkable floor angle but the character seems to start walking up the wall regardless. ...
Foliage Instanced Static Meshes disappear when FISM Component BP is compiled
UE - World Creation - Worldbuilding Tools - Foliage - Nov 10, 2017This bug removes foliage from a level when the Component Blueprint is compiled. Switching the Foliage type asset to another component will cause the issue to stop occurring. The Component Blueprint ...
Custom Stencil Not Working for Mobile
UE - Platform - Mobile - Nov 14, 2018Setting a custom stencil on meshes is not working when using a mobile renderer. This is working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4541578 and 4.22 CL# 4556068 This is a regression ...
The vertex color view mode in the vertex painting editor mode ceases to work when the project setting "Extend default luminance range in auto exposure settings" is enabled.
UE - Graphics Features - Dec 31, 2019When "Extend default luminance range in auto exposure settings" is enabled, the Color View Mode in the vertex painting editor mode ceases to work and without any warning to the user. ...