Last week, BBC News featured an interview with new Doctor Who assistant Pearl Mackie, who mentioned that her character was openly gay. It led to this headline:

In the interview she said:
"Yeah, Bill's gay. It shouldn't be a big deal in the 21st Century. It's about time isn't it?" - #PearlMackie, who w… https://t.co/uBgRpqNfcL
During a press conference directly following a private screening of the first episode of the new series, Doctor Who showrunner and writer Steven Moffat called the press attention about her sexuality "nonsense."

He also remarked on Captain Jack (John Barrowman), who was pansexual, and joked that River Song "was marrying practically everybody."

The first episode of the new series itself is a proper relaunch of the show, with completely fresh introductions to get the new viewers in. Here's a trailer of the series:
View this video on YouTube
Asked whether David Walliams could make a cameo in a future episode, Matt Lucas (who played Nardole) joked: "Not if I have anything to do with it."
And as for Class, the Doctor Who spinoff that reportedly received poor ratings, Moffat said: "Let's hope that they give it another go."