Unreal Engine Issues

Exposure Is More Extreme In High-End Mobile Preview Modes

In high-end mobile preview modes the exposure will return much more exaggerated results. This is related to the new default tone mapper settings since changing r.TonemapperFilm to 0 solves the issue ...

WorldContextObject is null in BP function library

Changing the Level Streaming method will remove Levels from folders they were placed in

Changing the Level Streaming Method of a Level thats inside of a folder will remove it from the folder. Occasionally once all Levels have been removed from a folder, the folder will delete itself. ...

World Delta seconds appears to Cause a miss calculation (regression 4.12.3 -> 4.12.4)

If the user uses world delta seconds in a calculation there appears to be some incorrect values. Note there is also a users project attached if you would like to look at that example. ...

Stereo layer appears to move when used with the Oculus Rift

Stereo layer appears to move/slide as the player moves the HMD from side to side when using the world locked setting for the stereo layer. ...

Can't navigate in Viewport or use Hotkeys when launching UE4 with a Russian keyboard layout on Linux

When using a Russian keyboard layout and/or a Russian keyboard, you can't use any hotkeys or navigate around the Editor. After testing this with a German keyboard as well, it is believed this issue ...

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5908927 ...

Crash on startup with a Blueprint deriving from an abstract class with a SpriteComponent

Appears to be an issue with load order and the timing of when we populate the 'ShowSpriteCommands' and 'SpriteIDToIndexMap' containers, which we assert on if they're not the same size. The original ...

Feature Request: Make WASD movement cancel out movement when you press keys in opposite directions

slack discussion: [Link Removed] ...

Sprites/Flipbooks only render in left eye with Instanced Stereo Rendering enabled

Paper2D sprites render only in left eye with Instanced Stereo enabled. Also confirmed in Main CL 4329255 ...