Unreal Engine Issues

Packaged Game Ensure Crash when GameInstance working with Async loading thread

In Engine 4.23 Preview, when AsyncLoadingThread is enabled and GameInstance is loaded from a Blueprint, the Engine will crash. ...

Reimporting sprite sheets does not work correctly if the editor has ever been closed and reopened since initial import

UPaperSprite::PostLoad() now sets BakedSourceTexture, BakedSourceUV, and BakedSourceDimension (if AtlasGroup is nullptr). There's nothing in reimport that sets them, so they are stale/latch to the ...

Re-parenting BP that inherits & overrides parent-functions mark's Graph not editable

After creating a Blueprint class and then creating a function inside the BP, then creating another BP that inherits from the parent BP and overriding the original function inside the new Class and t ...

No sound plays when using Oculus Spatialization Plugin

The Oculus spatialization option is not producing sounds. In Test Rail I can see that the test related to this passed April 2021 in UE4. In UE5 it passed on Early Access in February 2021. ...

IKRetargeter Export Selected Animations Saves Exported Animations Even When Cancelled

Occurs 3/3 times When 'Export Selected Animations' button is clicked and then canceled, animations continue to be saved.  ...

Generate all Bodies on Selected Bones Does Not Generate Single Convex Hulls Uniformly

Occurs 5/5 Times Regression does not occur in //UE4/Release-4.27.2 @ CL 18319896 When 'Generating All Bodies' on a bone the single convex hull does not generate uniformly.  ...

Can't package project with custom engine plugin enabled.

Any Key key binding is non-functional with Enhanced Input

I've tried implementing BP logic off an EI Event using Any Key, never executes. Tried having the associated Input Action have Consume Input set to true- still nothing. I'm not sure what the expect ...

Non-existing config file loading could cause memory leak

The cause of this problem is the Engine has code paths which register a new allocated object to Map without deleting the previous object. In the repro project, whenever hitting Space Bar, the level ...

[MetaSounds][Audio Bus] - MetaSound Sources using Audio Bus nodes spam underruns when Audio Mixer Sample Rate is less or greater than 48kHz

Setting the Audio Mixer Sample Rate to 32000kHz causes underrun spam in audio bus reader and writer nodes and sounds to playback jittery. Tested with 24kHz and 32kHz. Does not repro in //Fortnite/R ...