Soft Object Reference Pins can't be reset to None

UE - Gameplay - Blueprint Editor - Dec 10, 2020

Soft Object Reference pins on Blueprint nodes can't be reset to None once an object reference has been set.  ...

Niagara Oscilloscope hangs indefinitely in cooked build

UE - Audio - Dec 9, 2020

Cooked games will hang on startup when using the Oscilloscope data interface due to an indefinite wait in FNiagaraSubmixListener::UnregisterFromSubmix  When setting GCVarEnableAudioCommandLogging t ...

Converting a function with local variables to an event crashes editor

UE - Gameplay - Blueprint - Dec 9, 2020

When converting a function with a local variable to an event, editor crashes. Issue does not occur in 4.25, therefore a regression. ...

World Memory Leaks crash with a hidden sublevel to a redirector

Tools - Dec 8, 2020

From UDN: The reason it crashes is because Child doesn't get garbage collected, which is because it still has the RF_Standalone flag. UEditorEngine::EditorDestroyWorld clears RF_Standalone flag ...

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

UE - Editor - Content Pipeline - Import and Export - 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

UE - 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

UE - Gameplay - Blueprint Editor - Dec 5, 2020

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

UE - AI - Navigation - 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. ...