Copy/pasting a child and non-child in IWCE does not preserve attachment hierarchy

UE - Gameplay - Components - Aug 1, 2017

Copy/pasting a child and non-child component in IWCE will not preserve the individual attachment hierarchies of the components. It'll be based on whichever was last selected. If the child was last ...

Japanese language input keys/Menu key zoom out graph view

UE - Editor - UI Systems - Localization - Oct 31, 2017

When using a Japanese keyboard, using Japanese language input special key(halfwidth/fullwidth/kanji key) zooms out graph view in BP editor and Material editor. It seems the menu key makes the editor ...

Ensure condition failed / Crash on BP Compile after adding variable

UE - Gameplay - Blueprint Compiler - Jan 26, 2018

Crash when compiling BP (containing user defined struct + object reference) after adding variable. ...

Child Actor Component reappears after Undoing Parent Deletion

UE - Gameplay - Blueprint - Feb 5, 2018

After loading a map containing a ParentBP with a ChildActorBP, Deleting and undoing the deletion will "resurrect" the original child, and a new child actor is parented to parent. Possibly Related: ...

Web Browser: No Transparency in 3D Widget Component on Mobile

UE - Platform - Mobile - Jul 6, 2018

Transparency is not being applied to web browser inside of 3d widget on android. Tested with Samsung Galaxy S5 4.19.2 CL 4033788 4.20p5 4173640 4.21 CL 4179794 ...

Unable to open Unreal Engine after cleaning project in XCode

UE - Platform - Apple - Aug 31, 2020

When I have the Epic Games Launcher open as I clean the Xcode project, the top right button will still read "Launch." Clicking on it after the Xcode project is finished cleaning causes the following ...

Ray traced shadows appear even after the mesh is hidden

UE - Graphics Features - Lumen - Oct 13, 2020

bCastHiddenShadow flag in UPrimitiveComponent doesn't affect ray tracing shadows ...

[MetaSound][Editor] - The base submix toggle is ignored when previewing sounds on the MetaSound graph

UE - Audio - MetaSounds - Apr 1, 2022

The Enable Base Submix toggle is ignored in the MetaSounds graph.  If the sound is added to a level, it behaves as expected.  The Enable Submix Sends toggle works as expected. ...

Importing Vehicle content corrupts SportsCar_AnimBP

UE - Content - Template - Apr 28, 2022

If the player imports the Vehicles pack into a blank project some of the cars blueprints will be corrupt and cannot be loaded. This appears to only happen to the Animation blueprints. ...

[Waveform Editor] - If a Sound Wave is trimmed or a transformation is added or removed while paused, play needs to be pressed twice to start the sound again

UE - Audio - WaveformEditor Plugin - Oct 6, 2022

From [Link Removed] "There is still a bug happening with editing transformations on pause. If you play, then pause, and then edit a transformation, you have to press play twice to resume play (whic ...