https://www.cnbc.com/2021/09/13/hous...e-wealthy.html
Basically, this Democrat-proposed legislation will neuter tax-advantaged retirement vehicles frequently used by professional pilots such as backdoor and mega-backdoor Roth conversions, and place annual RMDs on combined IRA/Roth/DC plans valued over $10M (which
may be a factor for some people).
Here's a white paper of the proposed legislation, designed to help "make the tax code more equitable" and help pay for Democrats' $3.5T spending wishlist
https://waysandmeans.house.gov/sites...btitleISxS.pdf