r.MobileContentScaleFactor appears to be ignored defaulting to 1 on Mobile Devices

UE - Platform - Mobile - Feb 28, 2022

r.MobileContentScaleFactor = 0 should return Native Resolution; 1 should return Standard definiton; 2 shold return an High Definition Resolution. It seems that r.MobileContentScaleFactor is being i ...

Crash when attempting to change the parent of a material instance constant through editor scripting

UE - Rendering Architecture - Materials - Apr 9, 2025

The built-in class "UMaterialEditingLibrary" provides various editor scripting functions related to creating and editing materials and material instances. One of these functions, UMaterialEditingLib ...

Crash When Renaming a Duplicated Collapsed Node Graph With an Asterisk in the Name

UE - Gameplay - Blueprint - Sep 20, 2017

A crash is occurring if you collapse a node and name the collapsed graph something that contains an asterisk. The crash occurs if you copy and paste the collapsed graph, then attempt to rename it. I ...

Crash after changing either the Anim Start or End times of an Animation Composite

UE - Anim - Runtime - Jul 19, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 Crash after changing either the Anim Start or End times of an Animation Composite when using Enter to confirm their value. ...

Crash occurs when an element of a fixed-size FText array is edited in a Blueprint.

UE - Gameplay - Blueprint - Jan 23, 2017

The Editor can crash if a fixed-size FText array is created. Attempting to edit one of the values of the array in a Blueprint will result in a crash. ...

Crash when changing details of an animation in an Animation Composite

UE - Anim - Jun 7, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...

Crash renaming nested struct member while the pin is split on a node

UE - Gameplay - Blueprint - Sep 14, 2020

Crash occurs when the user renames a nested struct member variable while there's a struct pin split in a blueprint. ...

Creating multiple Scalar Parameter nodes with a different values will crash the editor

UE - Rendering Architecture - Materials - Mar 11, 2020

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...

Crash when Editing Text in Libraries Category Text field within Material Functions

UE - Rendering Architecture - Materials - Jun 7, 2016

When editing the 'Libraries Category Text' field within a Material function a crash occurs. Regression? Yes, this crash does not occur in the 4.11 release. I have attached an image for reference. ...