Unreal Engine Issues
Unreal Engine Issues
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 - Rendering - 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 - Rendering - Architecture - Niagara - Jun 16, 2022The R channel of UV1 is not a problem. ...
Xcode 26/16.4 Metal Toolchain generates metallib's that are not compatible with iOS 16
UE - Platform - Mac - Sep 23, 2025Below is the error output from FirstPerson template as a C++ project: {+}../../../FirstPerson58CPP/Content/firstperson58cpp_sf_metal_es3_1_ios-metal_es3_1_ios.0.metallib, 5881486 bytes!2025-09-23 1 ...
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 ...
Convert Transform to Relative node could use more information
UE - Gameplay - Blueprint - Jun 10, 2016It appears that "Convert Transform to Relative" can be confusing. Users are saying that they expect the nodes to be swapped in what they think their function would be. One person as suggested that a ...