FBX SkeletalMesh import - Some custom attribute values interfere with SkeletalMesh Import/Export

Tools - Import - Dec 8, 2020

It appears that the value of a string custom attribute on a SkeletalMesh node can interfere with the import process of the SkeletalMesh, as well as with the export process according to UDN. Adding t ...

Unable to play level sequences or actor sequences while the game is paused

Anim - Sequencer - Dec 7, 2020

This is caused by several failures in the custom ticking and update logic for level and actor sequences. A possible solution is shelved in 14859265, but will need testing with all known cases of pau ...

Crashed when selecting a class for a property in BP

Gameplay - Blueprint Editor - Dec 5, 2020

Collision boxes always have Navigation Area Class reset to NavArea_Obstacle on project load

Gameplay - AI - Dec 4, 2020

Every time when reopening the project, Nav Area Class on collision geometry gets reset to "NavArea_Obstacle", instead of maintaining its state. ...

Live Coding Doesn't Appear to Correctly Reload or Reinit Automation Spec Tests

DevTools - Live Coding - Dec 3, 2020

Something in the way that live coding interacts with the test system, or how the tests are loaded at startup and initialized, isn't quite matching up.   ...

Action RPG Sample packaging fails with BP Nativization method set to Inclusive

Gameplay - Blueprint - Dec 3, 2020

Not a regression as this also occurs in 4.25.4 Packaging does not work with BP Nativization on exclusive or inclusive (see [Link Removed]) Error Messages (see log for full output, many related err ...

Action RPG Sample packaging fails with BP Nativization method set to Exclusive

Gameplay - Blueprint - Dec 3, 2020

Not a regression as this also occurs in 4.25.4 Packaging does not work with BP Nativization on exclusive or inclusive (see [Link Removed]) Error Message: C:\Users\corey\Documents\Unreal Projects ...

Crash editor when many sequencers are opened continuously

Rendering - Dec 3, 2020

Get crashed in editor when opening many sequencers using the EditorUtilityWidget,. It's not in UE4.25.3, but it crashes in UE4.25.4. And it only occurs when NVIDIA Aftermath (r.GPUCrashDebugging=1) ...