Attempting to Rename Multiple Sockets Crashes the Editor

Anim - Apr 17, 2019

Having multiple sockets selected results in a crash when attempting to change the names of them all at once. The box to change their names appears to be grayed out but you can still click into it. U ...

Camera FOV Above 90 Causes Landscape LODs to Flicker

Tools - Landscape - Apr 17, 2019

Camera FOV Above 90 Causes Landscape LODs to Flicker Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, 4.23 CL# 5934407 ...

Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

Rendering - Cascade - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

"Support Compute Skincache" throws an Assert for games on Linux

Platform - Linux - Apr 16, 2019

After enabling "Support Compute Skincache" in the project settings and packaging a game on Linux, the packaged game will throw an assert. Any setting that turns "Support Compute Skincache" on automa ...

SpiralBlur - SceneTexture When Attached to Base Color Generates Compile Errors

Rendering - Apr 16, 2019

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 ...

Sequential Level Loading in Python causes Crash

Tools - Python - Apr 16, 2019

Loading all the levels selected in the Content Browser and running the aforementioned Python script causes the editor to crash Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...

Streaming Multiple Instances of the Same Landscape Actor All Have the Same GUID

Tools - Landscape - Apr 15, 2019

If a level contains a landscape actor, and if you stream multiple instances of that level into your map, you will get errors in the message log that the landscape actors have the same GUID. Found i ...

Editor Crash While Using "Snap to Floor" Shortcut on Some Foliage Instance.

Tools - Foliage - Apr 15, 2019

When pressing the End key to have a foliage mesh "snap to floor/surface" the editor will crash. Found in 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 5898046 ...

ARKit - ARKitCameraMaterial crash

XR - Apr 12, 2019

Spawning an object with ARKitCameraMaterial will now crash the app. Tested with 2nd Gen iPad Pro (A1701) Verified in 4.23 MAIN @ CL 5806859 (Needed to install from IPA) ...

Character standing on physics object causes severe glitches

Physics - Apr 12, 2019

Trying to stand on an object with physics enabled using the default third person template causes some very weird behavior. The object and character will jitter wildly and launch either one far away. ...