Unreal Engine Issues
Unreal Engine Issues
Building a patch from the project launcher will crash unrealpak when pak encryption is enabled
UE - Foundation - Core - Mar 2, 2020When using unrealpak to make a patch, if the source pak data that a patch is based from is encrypted, you must specify the "patchcryptokeys" parameter on the command line so unrealpak knows which cr ...
Rare assertion comes up when cooking if sequencer camera track has only additive transform track
UE - Anim - Sequencer - Mar 2, 2020If a camera track has only additive transform track, some functions return uninitialized F3DTransformTrackToken made by default constructor. It causes a rare assertion. Please take a look at F3DTra ...
Niagara Ribbon Facing Mode Custom Side Vector does not work correctly
UE - Niagara - Feb 28, 2020The Custom Side Vector facing mode is no different than the Custom facing mode on Niagara ribbons. The linked UDN has more information on a potential cause, as well as a proposed fix. It looks like ...
Widget With Spinbox Crashes When Destrcutor Is Called With Multithreaded Destruction Enabled
UE - Foundation - Core - UObject - Feb 28, 2020When a widget with a spinbox is calls it's Destructor with "Multithreaded Destruction" enabled the engine crashes. I have tested in 4.23.1, 4.24.3, and 4.26 Main with "Multithreaded Destruction" dis ...
Writing UserActivityHint in GenericPlatformCrashContext might occur buffer overrun
Analytics - Engine - Feb 28, 2020[Link Removed] ...
Changing the engine quality settings will cause the editor to crash
UE - Graphics Features - Feb 27, 2020Changing the engine quality settings to low or medium will cause the editor to crash This was tested in 4.24.3 @ CL 11590231 and doesn't occur, so this is marked as a regression. Mac Environme ...
Crash if the number of spline points is less the one spline point currently selected
Tools - Feb 26, 2020Spline components with "input spline points to construction script" enabled causes crash when selecting a spline point and reducing the total number of spline points below the selected spline. Te ...
Depth of fields behavior when Focus Method is None
UE - Anim - Sequencer - Feb 25, 2020Licensee reports that Depth of fields behavior when Focus Method is None is incorrect. If None, override flag is disabled and default value seems to be used.[Image Removed] Attached sample projec ...
Volumetric Lightmaps Persist When Opening Different Level
UE - Graphics Features - Lumen - Feb 24, 2020When moving between levels with built lighting volumetric light maps persists between levels. Workaround: Load the same level twice. Found in 4.24.2 CL#11100242 Reproduced in 4.26 Main CL#11574810 ...
[CrashReport] UE4Editor-Engine!FMaterialShaderMap::ProcessCompilationResults(TArray<FShaderCommonCompileJob *,TSizedDefaultAllocator<32>
UE - Rendering Architecture - RHI - Feb 21, 2020Generated from CrashReporter ErrorMessage: Assertion failed: Shader [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Engine/Private/Materials/MaterialShader.cpp] [Line: 1811] Comments: Compile ...