Unreal Engine Issues

Editor crashes when child blueprint uses billboard in construction script

The editor is crashing when a child blueprint uses a billboard in the construction script after hovering over 'apply instance changes to blueprint' from the details panel. ...

Skylight Indirect lighting Intensity has no effect

The Skylight actor has minimal effect on indirect lighting compared with 4.10.1 and the Indirect Lighting Intensity slider has no effect at all. Image attached for comparison bwtween 4.10.1 and 4. ...

10 Pixels Added to Width & Height of Floating Editor Windows Each Time Project is Reopened

Each time the editor opens a project, the INIalt text file changes, adding 10 pixels to the width and height of floating sub windows, thus negating the usefulness of the "Save Layout" feature. *Obs ...

Default Value is lost, when variable is renamed

Collision Responses will reset to previous setting after changing the Preset Collision Profile

Collision Responses will reset to previous setting after changing the Preset Collision Profile. After the change is made and "Accept" is pressed, the Collision Responses will still have the old ch ...

Cannot navigate through options in combo box

Cannot navigate through options in combo box with the default navigation. This appears to be a regression. Working as expected in 4.15.3 No longer working as expected in 4.16 ...

Recorded sequences create broken "Visibility" tracks instead of "Hidden in Game" Tracks

Recorded sequences create "Visibility" tracks instead of "Hidden in Game" Tracks. "Visibility" tracks appear to be legacy tracks that you can't create anymore, but is still created by Sequence Reco ...

Rotating Movement Component stops at pitch of exactly 90 or -90

When you set the rotation rate of a Rotating Component so that the moved actor reaches exactly 90 or -90 pitch, it stops rotating for a few seconds. ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

Null access to Unpossessed controller with seamless travel

The unpossessd controller will not be removed from UWorld::ControllerList unless destroyed. This causes null access to the ControllerList when GC occurs during seamless travel execution. The unposse ...