Obtain an I551 stamp prior to departure.

No not with a pending I485 application.

Not without advanced parole as I485 will be abandoned.

Yes this shouldn’t be an issue at all.

Depends on the nature of the case. Consult with an attorney for guidance.

Yes this will require new fee for name change.

No this does not appear normal given procedural history.

This shouldn’t impact your naturalization case.

Selected as the best answer

I agree with my colleagues about being patient for decision.

Yes you may do so with the pending I485.