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 ...

Dragging more than one Texture into the Material Editor causes a crash

UE - Graphics Features - Mar 11, 2020

Importing two or more Textures into the Material Editor results in a crash. This is a regression from 4.24.3 (CL-11590370) as well. This was reported and tested in 4.25 Preview 2 (CL-12055273) and ...

Oculus Touch Menu Button Input Not Received When Set In Action Mapping

UE - Platform - XR - Mar 9, 2020

The left menu button on Oculus Touch doesn't have it's input received when it is assigned to an action mapping. This looks like it stopped working after SteamVR was integrated into the engine. Foun ...

Deferred decal does not display when running GTAO.

UE - Graphics Features - Mar 4, 2020

Deferred decal does not appear if GTAO is enabled. ...

Changing the channel name inside of the channel mask parameter node results in crash

UE - Rendering Architecture - Materials - Mar 4, 2020

Changing the name of a channel inside of the channel mask parameter node results in a crash. ...

Crash when mousing over array parameter in Blueprint function graph while debugging

UE - Gameplay - Blueprint Editor - Mar 3, 2020

Mousing over an array input inside a Blueprint function can lead to a crash. For this to occur, the first parameter of the function must be a User Defined Struct.  ...

Add to fbx importer an option to force "reset to fbx" behavior when doing automation reimport

UE - Editor - Content Pipeline - Import and Export - Mar 3, 2020

We want to have the possibility to force the "reset to fbx" conflict material behavior to automated fbx reimport. Not sure yet where to put the optionvisible in the fbx reimport dialoga per project ...

Deleting struct in Windows Explorer leaves dirty traces in BPs.

UE - Gameplay - Blueprint - Mar 3, 2020

UND: https://udn.unrealengine.com/questions/559972/invalid-map-in-blueprint-unable-to-be-deleted-urge.html If you delete a struct in Windows Explorer manually, then open a project/BP, it will ask t ...

Rare assertion comes up when cooking if sequencer camera track has only additive transform track

UE - Anim - Sequencer - Mar 2, 2020

If 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, 2020

The 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 ...