Unreal Engine Issues

Set Actor Enable Collision doesn't turn off collision for Child Actor Components

Set Actor Enable Collision doesn't turn off collision for Child Actor Components. User expects it to do so because other nodes like Set Hidden in Game work on the entire actor and the API explains i ...

Spline Mesh Does Not Collapse Or Deform Properly

Spline meshes don't seem to collapse evenly if they have geometry in between the start and end points. The test project demonstrates this by having a spline mesh move its end point closer to the sta ...

When move selected foliage to level, Foliage can not move to level.

With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...

When changing the variable name of Parent Blueprint, only Child Blueprint existing on the opened level becomes Dirty.

Changing the variable name of the parent Blueprint also effects the changes to the child Blueprint, but the Dirty result changes depending on whether it is placed on the level. This means that Child ...

GoogleVR layout visible if stereo is off on iOS

User reported bug With iOS applications that swap from VR mode to non-stereoscopic mode, GoogleVR overlay remains on screen. This does not occur on Android devices. ...

Instanced MovieSceneEventParameters does not save updated values upon level load

Any instanced Actor with a public MovieSceneEventParameter struct doesn't retain any altered values on level load. Found in 4.22 CL#7053642 Reproduced in 4.21 CL#4753647 , 4.24 Main CL#7173985 ...

Third Party Library Plugin won't load in packaged build

Plugins created using the Third Party Library template won't load in a packaged build or the Launch button in the Editor Toolbar, but will if launched through the Project Launcher Window via the Edi ...

Overlap Issues using Tick Interval and Dedicated Server

When using a dedicated server and a class with an explicit Tick Interval set, if the class' overlaps are updated in the begin overlap event, in a non-consequential way(changing collision profile in ...

Play Rates are not reverted when HAP Media Plugin is disabled

Enabling the HAP Media player plugin permanently affects the thinned Play Rates of the Media Player asset. Tested in 4.23.1 (CL - 9631420), 4.24.0 (CL - 10091930), 4.25 (CL - 10091038) ...

Deleting MPC referenced in material layer cause editor crash.