[CrashReport] UE4Editor_Engine!UMaterialExpression::GetOutputType() [materialexpressions.cpp:859]

UE - Rendering Architecture - Materials - Nov 21, 2017

This is an infrequent crash in the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 849 uint32 UMaterialExpression::GetOutputT ...

Assertion failed on reimporting FBX scene

UE - Editor - Content Pipeline - Import and Export - Aug 7, 2024

Following code works as a work around : void SFbxSceneStaticMeshReimportListView::OnChangedOverrideOptions(TSharedPtr<FString> ItemSelected, ESelectInfo::Type SelectInfo) { #if 0 check(ItemSele ...

BokehDOFRecombine Incurs Cost Even While DOF Is Not Enabled

UE - Graphics Features - May 17, 2017

While separate translucency is enabled DOFRecombine will incur a cost even when not using DOF (Scale of 0 or blur size of 0). Maybe we can check to see if those values are == 0 (meaning DOF is effec ...

Implied Decal Blend Modes don't properly account for Material Attributes usage

UE - Graphics Features - Sep 28, 2021

I've attached a project with the necessary materials that demonstrate this issue. I would expect that just because a Set Material Attributes node is inside a material graph it wouldn't affect the de ...

OnParticleCollide Not Returning Velocity Values Properly

UE - Graphics Features - Oct 23, 2017

OnParticleCollide doesn't return Velocity on every collision. User description: "If you add a particle emitter, and add an Event Generator - Collision and Actor Collision Binding an event to tha ...

Poses Asset UI doesn't update correctly when updating from new source animation

OLD - Anim - Jul 11, 2016

If the user updates to a new Source Animation for a pose asset, while a pose was active in the viewport (weight set to 1.0), the pose will be set to 0.0 in the pose list even though it's still activ ...

Editor Crashes When Attempting to Change Units in Project Settings

Tools - Aug 17, 2016

The editor crashes when attempting to make a change to the units located in Edit->Project Settings->Editor->Appearance. The crash occurs as soon as one of the dropdowns is clicked. This is a regr ...

Starting position of physics simulated bp is different in Standalone Game

UE - Simulation - Physics - Feb 26, 2016

Starting position of physics simulated bp is different in Standalone Game User Description: Things work fine in the editor window, but when I run a standalone game then blueprints with physics bod ...

[CrashReport] Linux_PlatformCreateDummyGLWindow()

UE - Platform - Linux - Nov 16, 2017

This is a trending Linux crash in the 4.18 release Callstack from Log[2017.11.10-14.42.41:021][ 0]LogLinux: Error: appError called: Assertion failed: [File:/media/***/OS/UnrealEngine-release/Engi ...

Scene Capture 2D will default back to View 0

UE - Graphics Features - Oct 8, 2015

The scene capture will revert back to the Character BP that is placed in the level when player 2 is not moving. When they are moving the scene captuer will show correctly. You can get around this ...