I'm finding 8.5 a vast improvement.
Also please remember, although the front screen changes on 7 were not universally popular, you can customise a hell of a lot to suit your needs. One UI7 introduced a whole host of personal customisation, you just need to know how to do it.
I am not employed by Samsung nor do I receive any remuneration as a Samsung Members Star.
My device is an S25 Ultra.