Unreal Engine Issues

Changing "Coordinate Light Map Index" When "Generate Lightmap UVs" Is Enabled In A Static Mesh Crashes Engine

When altering "Coordinate Light Map Index" in a static mesh when "Generate Lightmap UVs" is enabled in LOD 0 the engine will crash or "Coordinate Light Map Index" will be set to 0. A demonstration ...

[CrashReport] UE4Editor_Foliage!operator<<() [foliageinstancebase.cpp:93]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Fatal error: [Link Removed] [Line: ...

BT/EQS Editors do not Support Multiline Comments

Linux .BMP Files not supported for Splash Screen

On the Linux operating system, when trying to load a .BMP file for the splash screen, there are strange returns for the image displayed. ...

Mobile platforms and HTML5 do not support bRuntimePhysicsCooking, forcing it to off

UEbuildIOS.cs (and equivalents on other platforms, including Android and HTML5) force Target.bRuntimePhysicsCooking to false, presumably because we haven't compiled the necessary libraries yet for t ...

ChaosDestructionDemo packages cannot be created in 4.25.1

Editor crash when the renderdoc.captureframecount is set more than 1

CoreRedirect between modules could support specific package + outer

More details in slack: [Link Removed] ...

LoadingScreen by MoviePlayer doesn't support Material in UE5.4

An assert crash is now triggered when set a widget using material to WidgetLoadingScreen of FLoadingScreenAttributes then call FDefaultGameMoviePlayer::SetupLoadingScreen(). The ensureMsgf in quest ...

Excessive RVT page updates with Nanite and ClearCoat or Cloth shading model applied

There is an excessive number of page updates when a Nanite landscape has a runtime virtual texture material applied to it with a shading model set to ClearCoat or Cloth (instead of Default Lit). The ...