When editing the default values of a BP using an ABP, the ABP's initialize event will be triggered multiple times in a single frame. 

Steps to Reproduce

In an ABP, print the path name of the instance on the initialize event.

Make and place in the level a BP with a skeletal mesh component using the above ABP.

Edit a value in the BP.


Result: The initialize event is executed multiple times per instance whenever a BP value is changed. 

Expected: The initialize event should only be executed once per instance at a time.


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ComponentAnim - Anim Blueprints
Affects Versions4.22
Target Fix5.0-m5
CreatedOct 10, 2019
UpdatedOct 7, 2020