Unreal Engine Issues
Unreal Engine Issues
Landscape surface type always return "Default"
UE - Simulation - Physics - Dec 26, 2019The behavior in this bug is a little odd since it is not present in any project that is upgraded to 4.24.1 (CL-10757647), but only those that are created directly in 4.24.1. The behavior is also a l ...
Textures become darker on BSPs when converted to a Static Mesh using Baked Lighting
UE - LD & Modeling - Modeling Tools - BSP - Jan 16, 2020A BSP converted to a Static mesh shows a much darker texture material when built with Static/Baked lighting. This was reported and tested in 4.24.1 (CL-10757647). This was reproduced in 4.23.1 (CL ...
Sorting a Blueprint variable into a subcategory separates variables into separate category structures
UE - Gameplay - Blueprint - Oct 14, 2019Within the Blueprint Editor, it is possible to create subcategories for variables to be sorted into. Doing so separates variables not nested into subcategories out into standalone, top-level structu ...
RGB/UINT10 HDR Format not using ST.2084
UE - Rendering Architecture - RHI - Aug 23, 2021Specification here: [Link Removed] Which is mirrored in engine in FD3D12DynamicRHI::Init (for example): [Image Removed] However, FWindowsPlatformMisc::ChooseHDRDeviceAndColorGamut always returns ...
Source Textures used with a Rect Light are blurry and diffused
UE - Graphics Features - Mar 14, 2023This is a regression from 5.0.3 tested in the following streams:BranchChange ListResults//UE5/Release-5.020979098Did not reproduce//UE5/Release-5.123901901Reproduced//UE5/Release-5.224608918Reproduc ...
Crash when force deleting Dataflow Graph
UE - Editor - Workflow Systems - Jul 31, 2023When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...
DiffuseIndirect_Lumen_3 parameter missing and causing crash with Screen Space reflections and Lumen Async Compute
UE - Graphics Features - Lumen - May 3, 2025When the Reflection Method is set to Screen Space and Lumen reflections async compute is enabled Unreal will crash because DiffuseIndirect_Lumen_3 parameter missing, due to how DenoiserOutputs are o ...
Matinee not triggering when moved from one level to another
Tools - Oct 19, 2015It appears that if you create a Matinee in a Sublevel, and then subsequently move the matinee between levels. It will not keep associations with the attached actors in the Matinee and not trigger e ...
Editor crashes sporadically in OSX 10.12
UE - Platform - Apple - Oct 27, 2016The editor is crashing sporadically in OSX 10.12. I have just started hitting this crash ~ 3-4 times a day usually when opening a new tab of some sort in the Mac editor Looking at the various repo ...
Enabling "Support Deferred Rendering with Metal" Crashes on IOS device
UE - Platform - Mobile - Feb 8, 2017After enabling "Support Deferred Rendering with Metal" and then launching to an IOS device (in this case iphone 6+) the game will no longer open and run. REGRESSION? Yes Worked in Binary 4.13.2 C ...