Hello Jeffym85,
There is not an issue to be tracked as we have not been able to reproduce this issue on our end. Without a reproducible test case we do not have a way to track down/resolve/verify the issue you are experiencing. I have provided a link below to a thread that is being used to condense the multiple threads on this issue down to a single thread. Please feel free to provide more information on how to reproduce this issue on the thread provided (all of the steps/projects on this page have been tested multiple times without resulting in the error mentioned).
Link: Child blueprint reset to Parent defaults - Blueprint - Epic Developer Community Forums