Unreal Engine Issues

When the AppleProRes plugin is enabled, the playback speed of the video changes in the MediaTrack sequencer.

Parent Begin Play node does not appear to run the parent code class BeginPlay() function before the rest of the Blueprint's Begin Play functionality

If a Blueprint event graph contains a Begin Play node that connects to a call to the parent function, the functionality present in the Blueprint Begin Play segment is run before the parent Begin Pla ...

With Use Fixed Frame Rate turned on, time-based elements of the Editor appear to operate at incorrect rates.

Turning on the Use Fixed Frame Rate option for a project causes time-based elements of the Editor to operate at incorrect rates. ...

The OnUnPossess() method of the AAIController class is triggered twice

The OnUnPossess() method of the AAIController class is triggered twice ...

Fast Path pin update can break when anim BP compilation generates warnings

It seems that a Anim BP that generates a warning will break the updating of pins that are connected via fastpath in other parts of the graph. This was reported on the following UDN: [Link Removed] ...

Changing root component in C++ does not apply correctly to map placed actor instances

Edit: Please investigate for not only root component changes, but native component hierarchy changes in general and whether those hierarchy changes apply to actor instances saved as part of maps. O ...

Opening Editor preferences window while simulating and pressing Play/Stop causes memory leak

An open but minimized Editor Preferences window causes a memory leak while simulating and repeatedly pressing Play/Stop. ...

Crash in UDataTable::RemoveRow(FName RowName)

This is a regression, the crash seem to have been introduced by CL 40129784 on ue5-main and persists in latest. Function UDataTable::RemoveRow(FName RowName) uses macro DATATABLE_CHANGE_SCOPE_SINGL ...

Materials using Landscape Layer Blend are black

When applying a Landscape Layer Blend of textures to the Material Base Color, the preview does not update or shows black instead of how the material is supposed to look. When you disconnect the lay ...

Play options menu vanishes sometimes

There seems to be something wrong with how we close menus and submenus as submenus are opened and closed based on mouse interaction. In particular, we seem to sometimes close the whole menu hierarch ...