CNBC posted a news article that states a mark-up and a move to the floor on Social Security 2100: A Sacred Trust, might occur in the spring of 2022 but that would be a tough act.
 The WEP and GPO was not a major topic in the Dec 7th 2021, Ways and Means Hearings at least what I read thus far.

https://www.cnbc.com/2021/12/07/how-one-democratic-lawmaker-wants-to-fix-social-security.html

https://www.aei.org/research-products/testimony/social-security-the-fierce-urgency-of-not-yet/

https://gop-waysandmeans.house.gov/event/hearing-on-the-fierce-urgency-of-now-social-security-2100-a-sacred-trust/ u