I don't see any issue with the acting from the guy who plays Ben. If anything, I'd say he's one of the better actors these days. The current acting in general is atrocious though. The senior cast all seem to be phoning it in. It seems like they just can't be bothered these days. From recent episodes, people like Chloe and Nicole seem to be carrying it in the acting stakes. A lot of them are talking like robots. I was surprised to see the guy who plays Xander has improved as well.
I wonder if we'll finally get resolution on Sarah Jane - and gay Luke Smith onscreen, something RTD made a point to canonize last year in the little farewell special.
RTD was absolutely ahead of his time with franchising out Who. I couldn't fault Moffat from moving away from it and making the Doctor darker and more mysterious again, and I prefer his regime artistically overall, but in the post-Marvel, post-streaming era there is no doubt RTD's expansive vision for the franchise is the future.
The rumor mill is already predictably chugging suggesting Tennant, Piper, Tate, Smith and Jenna Coleman will all return for the 60th, but that's typical rumor stuff. Capaldi has recently said he likely wouldn't return as he feels multi-Doctor stories are poor quality, but he's also a huge fan of the show so who knows.