Packaged Game Crashes When Launched with the -dx12 for Ray Tracing Features and PixelStreaming enabled

PixelStreaming - Apr 3, 2019

Packaged game crashes when launched with the -dx12 option and PixelStreaming is enabled. Found in 4.22 CL# 5660361 and 4.23 CL# 5704223 ...

GenerateProjectFiles.bat fails to compile UnrealBuildTool when VS2019 is the only version of Visual Studio installed

DevTools - Apr 1, 2019

Attempting to run GenerateProjectFiles.bat on a computer that only has Visual Studio 2019 installed (no other versions of Visual Studio were ever installed previously) will fail to compile UnrealBui ...

HLODs appear to be calculated individually instead of as a group

Anim - HLOD - Mar 26, 2019

The way in which Hierarchical Instance Static Mesh LODs' screen size is calculated appears to have changed. ...

Need to focus in Sequencer window for arrow hotkeys to work each time when scrubbing the timeline

Sequencer - Mar 26, 2019

The Sequencer timeline can't be scrubbed with the arrow keys because the Sequencer Window loses focus after an arrow key is pressed. This is a regression from 4.21.2 (CL-4753647) where repeated arro ...

Crash using the Dataprep tool (MaterialShared.cpp)

Datasmith - Mar 25, 2019

The files in the linked case contain a project with a Datasmith scene and updated .udatasmith files that contains changes to the imported scene. When using the Dataprep Tool to import the updated sc ...

Blueprint iOS projects can't package For Distribution

Platform - Mobile - Mar 23, 2019

This issue doesn't occur using a project with source code This issue doesn't occur in a blueprint project if For Distribution is disabled (using a development certificate and provision) So far this ...

Crash when launching dx12 for the first time with Rect Lights

Rendering - RHI - Mar 20, 2019

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...

'Set from Euler (Quat)' and 'Set Components (Quat)' BP nodes have no output.

Gameplay - Blueprint - Mar 18, 2019

'Set from Euler (Quat)' and 'Set Components (Quat)' BP nodes have no output. These nodes are new in 4.22 Confirmed in MAIN @ CL 5423420 ...

Translating with Camera lags when Use Distance-Scaled Camera Speed is true

Tools - Mar 18, 2019

Hold shift no longer appears to correctly lock on to object in the editor while they are being translated. This appears to be a regression ...

Crash Opening Editor with Vulkan - Fatal Error - RenderingThread.cpp

Rendering - RHI - Mar 15, 2019

Editor crashes when opening to project browser on Linux. Fatal error: [File:D:\Build\++UE4\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 819] Rendering thread exceptio ...