Crash opening FaceARSample on iOS

UE - Platform - XR - Jul 26, 2019

FaceARSample is crashing as soon as it is opened on iOS. Tested on a iPhoneXS 12.4.  Regression: Yes I was able to get FaceARSample on the same device the previous release 4.22. ...

Regression: Android Media Player Material - Plays on flipped normal

UE - Platform - Mobile - Jul 25, 2019

Media Player Texture/Material is playing on opposite mesh normal. Confirmed on Note 4, Pixel XL and Oculus Quest Did NOT reproduce with Vulkan. Video Material is white on 4.22 and 4.23 iOS ...

OSC Module cannot be compiled

UE - Audio - Jul 25, 2019

It seems, that using the new OSC API in C++ is not possible, since it cannot compile with MS compiler version 141 through VS and the Editor. Including a header file from the OSC Module results in a ...

DetachmentRules is not applied when WhenFinished of AttachTrack is set to RestoreState.

UE - Anim - Sequencer - Jul 25, 2019

Purpose: Create a parent-child relationship using the “Attach Track” After that, I want to release Attach in the middle of the sequence and leave the child. Set "When Finished" of "Attach Track" to ...

FAnimNode_RigidBody::bForceDisableCollisionBetweenConstraintBodies modifies asset collision table

UE - Simulation - Physics - Jul 24, 2019

The 'Force Disable Collision Between Constraint Bodies' rigid body node option modifies the collision table of the physics asset its used with. It is expected that this option works as an override a ...

Crash on start on KitKat

UE - Platform - Mobile - Jul 24, 2019

There is an unsupported call being made on KitKat causing a crash during startup. ...

First Person Example Project Crash when character movement component is cast in viewport.

Tools - Jul 23, 2019

Crash is caused by incorrect cast to display ActorComponent in viewport (gizmo used to move it should not be present) ...

Packaged Game Ensure Crash when GameInstance working with Async loading thread

UE - Foundation - Core - Jul 23, 2019

In Engine 4.23 Preview, when AsyncLoadingThread is enabled and GameInstance is loaded from a Blueprint, the Engine will crash. ...

The MultiGate Node can have more than 32 output pins

UE - Gameplay - Jul 22, 2019

The MultiGate Node is able to have more than 32 output pins. Found in 4.22.3 CL#7053642 Reproduced in 4.21.2 CL#475421, 4.23 Preview 2 CL#7321677, 4.24Main CL#7473682 ...

Material with Custom Expression at Vertex Shader Stage Does Not Compile

UE - Graphics Features - Jul 22, 2019

When Custom expression is connected to custom UV then material wont compile. This is working as expected in 4.22 CL# 7053642 Found in 4.23 CL#7321677 and 4.24 CL# 7321677 This is a regression. ...