Load times for the editor appear to have increased

UE - Graphics Features - May 3, 2019

The editor appears to have longer load time as compared to an older engine version (4.20.3 loaded in seconds while newer version appear to load the same project in over a minute) ...

Asynchronous Image Loading from Disk Documentation leads to memory leak

Docs - Sep 18, 2019

The documentation example to create your own asynchronous image load from disk results in a memory leak that is noticeable using the task manager.  ...

Duplicating a static mesh with foliage attached breaks connection

UE - World Creation - Worldbuilding Tools - Foliage - Oct 9, 2019

Editor Crash when trying to get Color data from Vertex buffer

UE - Graphics Features - Nov 6, 2019

When attempting to get the vertex color of an instance of of a static mesh that is painted after placing it in the World Viewport. The Editor crashes returning an "Unhandled Exception". The cause o ...

Incorrect transforms when breaking a packed level actor

UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023

See "Steps to Reproduce" ...

VectorParameter UI display in the Layer Parameters Panel of MIC editor issue

UE - Rendering Architecture - Materials - Aug 22, 2023

Shadow in Sky Reflections

UE - Graphics Features - Lumen - Nov 10, 2023

It looks like the DistantScreenTrace(...) in LumenScreenTracing.ush reports a false positive hit in the dark regions. Using screen trace visualization reports the distance in these regions as 65535. ...

Nanite static mesh components are not individually highlighted when selected

UE - Rendering Architecture - Apr 30, 2024

Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...