Materials using Texture 2D Arrays fail to compile

UE - Graphics Features - Apr 29, 2020

REGRESSION: Does not occur in 4.24 Materials using Texture 2D Arrays have the following errors:[SM5] /Engine/Generated/Material.ush(2225,107-114): error X3004: undeclared identifier 'Material' [S ...

FIOSInputInterface::SendControllerEvents crash due to UIInterfaceOrientation call from game thread

UE - Platform - Mobile - Apr 29, 2020

From [Link Removed], licensee reports We believe that querying the UIInterfaceOrientation via UIApplication on the game thread is the issue here. We have made changes to IOSInputInterface.cpp and I ...

IOS crash disabling idle timer when closing the app

UE - Platform - Mobile - Apr 29, 2020

Licensee report of crash during shutdown due to setting [UIApplication sharedApplication].idleTimerDisabledbeing from the Game thread. Grouped together with others items in [Link Removed] ...

Crash when opening a sequence with an additive control rig track

UE - Anim - Sequencer - Apr 27, 2020

The editor crashes when opening a sequence with an additive control rig track ...

Niagara mesh particles have incorrect normals when scaled

UE - Niagara - Apr 27, 2020

Niagara mesh particle normals do not match those of static mesh actors. ...

Sequencer Export to FBX file framerate is always 30fps, regardless of playback rate in Sequencer

UE - Anim - Sequencer - Apr 24, 2020

This issue can cause problems for developers who are operating at framerates that aren't 30fps (eg 24).  In Sequencer: [Link Removed] In Maya: [Link Removed] ...

Crash if the setting of PhysicalAnimationComponent is changed in the same frame as teleport processing

UE - Simulation - Physics - Apr 24, 2020

Crash when ApplyPhysicalAnimationProfileBelow node and UPhysicalAnimationComponent :: UpdateTargetActors by UPhysicalAnimationComponent :: OnTeleport run in the same frame. Because RuntimeInstanceDa ...

Canvas Render Target 2D doesn't get alpha mask when rendering with ES3.1

UE - Platform - Mobile - Apr 23, 2020

The Alpha Mask on a Canvas Render Target 2D no longer appears when rendering with ES3.1. This is a regression from 4.24.3 (CL-11590370). This was reported and tested in 4.25 Preview 7 (CL-12759524) ...

K2Node_CallParentFunction has incorrect tooltip when duplicating a BP

UE - Gameplay - Blueprint - Apr 23, 2020

The code executes correctly at runtime, but the tooltip is incorrect. There is logic applied in CallFunctionHandler.cpp that handles the runtime execution, but that logic is missing the the tooltip. ...

ResetToFbxOnMaterialConflict does not work when reimporting in Python

UE - Editor - Content Pipeline - Import and Export - Apr 22, 2020

Right now when we reimport a staticmesh in python, the given import options are ignored, resulting in the ResetToFbxOnMaterialConflict reimport setting not working. The options given to the ImportA ...