- Act 4
- Cruel difficulty removed, 3 side adventures will lead to level 65
- Abyssal league
- Balance overhaul aiming to increase build variety
- Support gem overhaul. More support gems, lineage support gems in the endgame
- New skill gems and changes to existing gems
- Sprinting for characters after dodge roll. No limit how long one can run.
- Offline trading (!)
And tons of other changes to campaign, endgame, classes, and skills.
Full (current) patch notes: https://www.pathofexile.com/forum/view-thread/3826682


Haven’t checked in a while; is it still “paid beta” only or they finally released it?
Still payed early access but with a free weekend coming up on 29.8. to 1.9.25 Changes look great, it should be worth a try.