Biden relaunching Obama mandate "Affirmatively Furthering Fair Housing" to diversify towns, zip code by zip code, by forcing local municipalities to remove zoning laws to build more affordable housing for minorities, as was reported in 2015:
https://twitter.com/paulsperry_/status/1627346582264856576
https://www.investors.com/politics/policy-analysis/obama-hud-fair-housing-rules-mandates-neighborhood-diversity/