Buffer Visualization Overview is affected by EV

UE - Graphics Features - Mar 5, 2020

EV -0.5 [Image Removed] EV 0.0 [Image Removed] ...

Crash when mousing over array parameter in Blueprint function graph while debugging

UE - Gameplay - Blueprint Editor - Mar 3, 2020

Mousing over an array input inside a Blueprint function can lead to a crash. For this to occur, the first parameter of the function must be a User Defined Struct.  ...

Overlap Events Don't Work On ISM.

UE - Simulation - Physics - Feb 27, 2020

ISMs will generate Hit Events but not Overlap Events. ...

Unable to Select Item from list in blueprints under certain conditions

UE - Editor - UI Systems - Slate - Feb 25, 2020

[Image Removed]  This happens with not only enums, but any combo box. Another example is the "Create Event" where you can select a matching function. This is a problem with how this slate widget ...

Null Redirector For Main Game Level Is Packaged Without Error After Fixing Redirector

Tools - Feb 24, 2020

After moving a level into a folder and fixing the redirectors (right click in content browser) the project will package a Null reference without throwing an error. This will let you create a project ...

Volumetric Lightmaps Persist When Opening Different Level

UE - Graphics Features - Lumen - Feb 24, 2020

When moving between levels with built lighting volumetric light maps persists between levels. Workaround: Load the same level twice. Found in 4.24.2 CL#11100242 Reproduced in 4.26 Main CL#11574810 ...

The base color of a material in unlit mode changes when specular amount is above 0.0

UE - Graphics Features - Feb 24, 2020

Material's RGB base color values are changed in Unlit mode when specular is greater than 0.  User repro video:  [Link Removed] Tested in: 4.23.1 CL#9631420, 4.25 CL#11574810 ...

World Space Transparent Widgets Have Motion Blur

UE - Editor - UI Systems - Feb 24, 2020

When a world space widget has their blend mode set to transparent they look blurry in motion. The effect is more pronounced when the camera rotates instead of when it is translated. Found in 4.24.2 ...

Merging actors with two-sided materials produces incorrect results

UE - World Creation - Worldbuilding Tools - Merge Actor - Feb 24, 2020

Merging two actors using a two-sided material produce incorrect results. Notes: Tested with "Allow two-sided material" on and off, the same result is produced. The same issue can be seen when ge ...