Hard to overstate how useful this resource is.
A few more fiddly Marketplace policies didn't make it into the Senate bill (e.g., SEP verification requirements) — probably because of Byrd concerns — but most consequential policies (including ending automatic re-enrollment with subsidies) remain

Tracking the Affordable Care Act Provisions in the 2025 Reconciliation Bill | KFF
KFF is tracking the Affordable Care Act (ACA) provisions in the 2025 federal budget bill, including changes related to enrollment, verifying eligiblity, and filing and reconciliation.