[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 ...

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero, and subsequent rotation is not allowed after the setting is disabled

UE - Gameplay - Player Movement - Jan 2, 2016

Enabling Use Pawn Control Rotation on a SpringArm component does not set the rotation values to zero. Subsequently disabling Pawn Use Control Rotation make rotation of the component impossible until ...

Deleting a Struct Attached to a Variable in a Blueprint Prevents it from Compiling

UE - Gameplay - Blueprint - Oct 20, 2015

Adding a variable of the type of a struct to a blueprint, deleting that struct, and then recompiling the blueprint fails. The variable is deleted, but the blueprint will continue to be unable to com ...

Destructible created in PhysXlabs will clear materials when a chunk parameter is selected

UE - Simulation - Physics - Destruction - Dec 30, 2014

DESCRIPTION: The materials are cleared from a destructible that is created in PhysX Labs when a chunk in any of the depths is selected and if any of the chunk parameters are set to true. ATTACHED: ...

Shadow casting still considered for performance when light intensity set to 0.0

UE - Graphics Features - Sep 8, 2016

Shadow casting is still considered when the lighting intensity has been set to 0. This is a regression in performance from 4.12.5 where a lights intensity that was set to 0 would not be considered ...

Mouse cursor will not change unless a mouse button is being held down.

Tools - Dec 5, 2014

Changing the mouse cursor depending on what it is currently over only happens if a mouse button is also being held down. This worked normally in version 4.5.1 WORKAROUND: In UGameViewportClient::Ge ...

Randomize Without Replacement resets to WithReplacement on Sound Cue Loop

UE - Audio - Dec 8, 2022

Reproduced 7/10 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...

nDisplay - UMG widgets sync

UE - Virtual Production - nDisplay - Nov 9, 2019

As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...

'Platform Stats' incorrectly display the number of Texture Calls for a material

UE - Rendering Architecture - Materials - Jul 29, 2024

When the DBuffer is disabled in the project settings, the Material Editor Stat page will still display the estimated texture lookups for the DBuffer. It appears that the code that adds these estimat ...

Engine Crashing with AMD R9 2 and 3 Series Cards

UE - Graphics Features - Sep 23, 2015

Multiple users are reporting crashes in the Engine when using an AMD R9 380 and 390 series cards. There was a request to have these cards added to compat lab for testing, but have not heard any upd ...