Pixel Streaming crashed when launching a full screen packaged game

PixelStreaming - Nov 21, 2018

Pixel streaming crashes when lauching a packaged game in full screen at high resolutions. Work around is for force a 1080p window mode session and switching to 4k via HTML after it's in window mode ...

Crash after renaming Blueprintable DataAsset

UE - Gameplay - Blueprint Editor - Nov 21, 2018

Renaming a blueprint instance of a DataAsset which has been used as the parent class of a DataAsset will cause a crash. ...

Inconsistent asset property change propagation

UE - Simulation - Physics - Nov 21, 2018

Changes in an assets collision profile are picked up only when an instance is created, while changes to the assets collision shapes are propagated to instances. This represents an inconsistent handl ...

Custom CrowdManagerClass reference is set to none when restarting the Editor

UE - AI - Nov 21, 2018

When setting a C++ class that's derived from CrowdManager as the "Crowd Manager Class", will cause the "Crowd Manager Class" value to be set to "None" when the Editor is restarted. This issue was r ...

Simple HMD VR preview left eye color issue

UE - Platform - XR - Nov 21, 2018

The left view in simple hmd (when no HMD is in use) will appear different from the right. All assets in the left view will appear one color (example image attached). ...

Setting Lightmap Coordinate Index Past 3 Causes Mesh to Get No Lightmap Information

UE - Graphics Features - Nov 20, 2018

Meshes with their Lightmap Coordinate Index set to anything over 4 will not be lit by static or stationary lighting.  Found in CL# 4.19 4033788, 4.20 CL# 4369336, 4.21 CL# 4541578, 4.22 CL# 4573698 ...

Yaw input is not always applied as expected depending on whether the yaw input function is called in the Player Controller Blueprint vs in the Character Blueprint

UE - Gameplay - Blueprint - Nov 20, 2018

In the attached project, the controller Blueprint is set to apply rotation based on a pair of bool values indicating whether the A (Rotate Left) or D (Rotate Right) keys are pressed. The controller ...

Selecting Two Sided Foliage In Editor with Material Layers Enabled Causes Crash

UE - Graphics Features - Nov 20, 2018

With material layers enabled, selecting two sided foliage will cause the engine to crash. This is working as expected in 4.20 CL# 4369336. Found in 4.21 CL# 4541578 and 4.22 CL# 4573698 This is a ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

UE - Networking - Nov 20, 2018

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

Editor running with "DebugGame Editor" configuration fails to launch (This happens only on 4.21 via Launcher)

UE - Foundation - Cpp Tools - Nov 20, 2018

This happens only on 4.21 via Launcher. UE4 editor running with "DebugGame Editor" configuration fails to launch The error log is below. ERROR: System.IO.DirectoryNotFoundException: Could not fin ...