I am filing an i-485 form and I have filled it in on a 10-31-2020 edition. I did not realize this until I went to proof read.

The source is here https://www.uscis.gov/i-485 Until April 19, 2021 you should be fine ... but USCIS is known for delays. Out of abundance of...

Does Using a beneficiary's diplomatic passport help or hurt their I-130 case?

The I-130 immigrant visa petition and his passport are not relevant to each other. Good luck.

USCIS has issued the RFE (Request for Evidence), which you did not receive. USCIS issues RFEs in nearly all cases filed without legal briefing....

It would not result in rejection. Waivers of the 2-year home residence are tricky, definitely require legal briefing, so lawyer up. Adjudicator is...

Your wife's eligibility to file I-485 is based on this...

processing times https://www.visapro.com/processing-times/nebraska-service-center/

If your relative is eligible for the Section 245(a) Adjustment of Status, you may file with the proof of having filed the I-130 available online.

Travel to Home country before decision on B1/B2 extension I539

Timing is important. Did your relative depart before he was here in the United States for 180 days past his permissible stay?

Your case is complicated by the prior finding of marriage fraud. On the positive side, you are in the 9th Circuit in which Ching v. Mayorkas, 725...

Does board of immigration deny asylum appeal case if alien left country before decision?

Your self-removal rendered your appeal moot. If you went to the country from where you claimed asylum, it is even worse - frivolous asylum filing.