Unreal Editor crash on Datasmith import with VrayBlend Materials

UE - Editor - Content Pipeline - Datasmith - Importer - Jun 16, 2020

It seems like VrayBlend materials are crashing the Engine when importing them with Datasmith. This is a regression from 4.24.3 (CL-11590370) where the file imported successfully. This was reported ...

Crash when changing the variable type of a variable used in a blutility function

UE - Gameplay - Blueprint - Feb 22, 2019

When changing the variable type of a variable that is used in a function for a blutility a crash can occur ...

[CrashReport] UE4Editor_Engine!USimpleConstructionScript::RemoveNodeAndPromoteChildren() [simpleconstructionscript.cpp:785]

UE - Gameplay - Blueprint - Jul 5, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context: 770 AllNodes.Remove(Node); 771 772 Node->bIsParen ...

Renaming Native Blueprint Interface category in Blueprint derived class causes crash

UE - Gameplay - Blueprint - Aug 22, 2016

Renaming a function category from a Interface class which a class inherits from causes crash. ...

Canceling the Color Picker while modifying Curve Editor colors Moves Transforms Curves

If the user presses 'Cancel' when modifying colors using the Color Picker within the Curve Editor, the curves points are all transformed. Issue is reproducible in the below engine versions: 4.8.3 - ...

Pin wires do not connect correctly after collapse to function and duplication

UE - Gameplay - Blueprint - Mar 20, 2017

Pin wires do not connect correctly after collapse to function and duplication. Any node can cause this issue, I used an INT variable because it was quick to test with. Regression: This issue affect ...

[CrashReport] UE4Editor_RHI!FClearValueBinding::GetClearColor() [rhi.h:989]

UE - Platform - XR - Mar 27, 2018

No user comments in crash group 986 FLinearColor GetClearColor() const 987 { 988 ***** ensure(ColorBinding == EClearBinding::EColorBound); 989 return FLinearColor(V ...

Ray Tracing Translucency - Sample settings have no effect

UE - Graphics Features - Lumen - Oct 15, 2020

Ray tracing translucency samples per pixel settings have no visible effect.  Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...

Assert when tracing animations with Linked Anim Graphs

UE - Anim - Runtime - Oct 19, 2021

An assert fires related to the node index for the linked animgraph node being the same as the node index for the root node in the linked anim graph. Can be worked around by commenting out the check ...

Nvidia DLSS plugin causing crash in PIE

UE - Graphics Features - Feb 10, 2023

The editor is crashing with the 5.1 Nvidia DLSS plugin enabled after performing PIE. This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901 This issue is NOT occurring in Binary //UE5/ ...