Unreal Engine Issues
Unreal Engine Issues
Memory usage spike during PIE doesn't reduce after play session
UE - Foundation - Core - Oct 28, 2015When opening the editor the memory usage jumps during PIE. After exiting PIE the memory use does not go back down. ...
AI Character Twitching Severely When Moving To Vector Set on Tick
UE - AI - Sep 13, 2016When setting a vector key on tick, and using a dynamic Nav Mesh, the AI Character exhibits severe twitching, and even occasionally gets stuck. This does not occur when the Nav Mesh is set to Stati ...
No Bind option for brush array delegate in UMG
UE - Editor - UI Systems - Oct 28, 2016The option to bind to a delegate does not appear when the desired property is in an array. ...
Scrollbar in Details Panel Changes Size/Speed when Moved
Tools - Jan 10, 2017The user describes this issue as [the Scrollbar] "resizes when it is moved. Sometimes it even starts to flicker for one frame ( showing a very long scroll bar )." "This looks and feels very weird . ...
Persistent Local Booleans do not serialize with CPF_SaveGame
UE - Gameplay - Blueprint Runtime - Nov 30, 2020A persistent local boolean will not serialize even though it is marked with CPF_SaveGame, when other types will (such as an integer). [Image Removed] [Image Removed] ...
Path Tracing shadow artifacts
UE - Graphics Features - Path Tracer - May 31, 2023First picture lit is used [Image Removed] Second picture PT is used, this occurs under certain angles of incidence. [Image Removed] ...
Wireframe box does not appear when adding blueprint of custom volume class to the viewport
Tools - Aug 2, 2017No volume appears when adding a blueprint of a custom volume class to the viewport. Adding an instance of the custom class directly does show the box, but additional functionality cannot be added v ...
Sprite does not have a UV1 G channel.
UE - Niagara - Jun 16, 2022The R channel of UV1 is not a problem. ...
Material stats incorrectly flag 17/16 samplers even if GL4 allows 32
UE - Rendering Architecture - RHI - Jul 15, 2015From AnswerHub: Utilising 128 textures in a material does not work in Linux, its still limited to 16 (actual 12) on OpenGL platforms, I looked at the commit that implemented it and I don't see anyth ...
Unable to import editor preference settings
Tools - Nov 18, 2014QA Regression? Yes: Working:2356762 Broken:2362994 The import button for most of the general editor settings is grayed out. User is unable to import previous appearance settings. Update 06-28-2 ...