Unreal Engine Issues

Runtime import, does not generate proper materials

The models are darker than the one loaded directly in editor Left runtime, right editor [Image Removed][Image Removed] [Image Removed][Image Removed] You can find some details here from a udat ...

IsDataValid is not called on components inherited via the Simple Construction Script

IsDataValid is not called for components inherited via a parent's SCS. I've attached a small repro project. (4.27) ...

Content browser folder names are allowed to use parentheses, which are disallowed by object paths

The content browser compares folder names against INVALID_LONGPACKAGE_CHARACTERS, which allows parentheses. However, object paths compare against INVALID_OBJECTPATH_CHARACTERS, which disallow parent ...

There is no obvious way to disable Auto Exposure in a post process volume

There is no easy way to disable auto-exposure on a per-component basis.  This is a big source of confusion for people new to Unreal.  The work around is to set Min and Max Brightness to 1 or set to ...

Blueprint functions with unconnected return nodes may return unexpected values

We don't clearly define the behavior for a Blueprint function when an execution path without a return node is taken. We should either report an error, or have the function return the default initial ...

Skeletal Mesh does not deform as expected when Metal Desktop Renderer is ON

When using the provided UI to test the skeletal mesh morph, it doesn't work while using Metal Desktop Renderer. It works as expected when Metal Mobile Renderer is enabled instead. Working on repro ...

Ensure and Assertion thrown while attempting to change Float value on a Sky Light using the Set Editor Property node

This is a regression. Assertion thrown while attempting to change a Float value on a Sky Light component using the Set Editor Property node. Different property values can trigger this assertion bes ...

FPS drop (present time increase) when moving the editor windows to secondary screens

The licensee has mentioned that they also see an FPS drop without a second monitor, so this can happen just by separating windows out on the same screen. ...

World position is broken in post process material after TAAU

Diff against Workspace/Diff against Previous version doesn't work with OFPA actors

UDN reporting this: [Link Removed] ...