Syncing a texture from source control while a material editor sampling it is open will crash the editor

Tools - Apr 13, 2018

Syncing to source control will cause a crash if a texture is synced that is being referenced by an open material editor, even if the texture hasn't been modified. A quick solution may be to close th ...

Cannot build project for the Development configuration after adding a new UFactory code class

Tools - Apr 13, 2018

Adding a new custom UFactory code class to a project results in no longer being able to build the project for the Development configuration. Prior to adding the UFactory code class the project can b ...

Assets Imported Using "Import Into Level" Scaling Does Not Match the Scale of Assets Imported Through the Content Browser

Tools - Apr 12, 2018

Assets that are imported using File < Import to Level, import at a different scale than when importing through the Content Browser Screenshot attached to show difference in scale Meshes were both ...

Foliage Disappears Using OpenGL4 in Packaged Game

UE - Graphics Features - Apr 11, 2018

This issue cannot be reproduced in 4.18 but can be reproduced in 4.19.1 as well as Main (CL 3998250) therefore I am marking this as a regression. ...

The CopySkinnedModelData() function is no longer called from anywhere in the Engine

OLD - Anim - Apr 11, 2018

The CopySkinnedModelData() function is no longer referenced by any code in the Engine as of 4.19. The function should either be marked as deprecated or removed from the Engine. ...

The float property FrameCacheLenght in FVisualLoggerBinaryFileDevice is set with a bool value instead of a float value

UE - Gameplay - Apr 10, 2018

In the FVisualLoggerBinaryFileDevice constructor, the FrameCacheLenght property is set using a bool value. Since FrameCacheLenght is a float value, and the value stored in the .ini file is a float v ...

Game start slowing down when there are more than 10 sprites in the level

UE - Gameplay - Paper2D - Apr 10, 2018

Sprites seem to be drastically affecting FPS in 4.19 projects on Mac devices. ...

Stock "P_AssaultRifle_AMmo" and "P_Health" pickup particles from the Shooter Game Pack cause the editor viewport to stutter and hang repeatedly

UE - Graphics Features - Apr 10, 2018

When placing "P_AssaultRifle_AMmo" and "P_Health" pickups into a level there seems to be some stuttering in 4.19 projects. ...

Editor crashes when entering something in the console

Tools - Apr 10, 2018

Setting your language to German and using a German keyboard will crash the editor when typing into the console. This is the keyboard that was used for testing: [Link Removed]  ...

Crash launching ES31 app on Android

UE - Platform - Mobile - Apr 9, 2018

This has occurred so far using ES31 with Launch On to Android. It didn't occur with ES2 or Vulkan.Error: === Critical error: === Error: Error: Fatal error: [File:D:\Streams\Fortnite_Staging\Engin ...