Anyway. First delight I discovered in Capaldi's last season is his new companion, Bill Potts. An out Black dyke! Who knew? (Yeah, I know; everyone except me. I've been busy.) Then I began to notice something else. It's not just Bill; the show has generally become more relaxed about queerness. We see the Doctor talking about the Master as his man crush. And there's that hilarious interchange amongst Bill and a group of ancient Roman soldiers, where she explains to them that she only likes women, and one of them responds that it's so sweet and old-fashioned for her to be monosexual, not normal and bisexual like most of them are.
That season was also very clearly laying the way for a woman doctor. The Master complains that the future's going to be all women, and if I remember correctly, Missy, his own female iteration, tells him to get used to it.
And then I realized something else. I've only been watching the show since the 9th Doctor, played with suave by Christopher Eccleston. That was when the show finally started to have appeal for me. As I think back on all the episodes since, it came to me that the writers have been steadily populating the Whoniverse with Time Lord and Time Lordlike women who head out into the stars by themselves or with women companions, to change the universe(s) for better or worse. The Doctor's Daughter, for one. And River Song is sorta human, but for a while could regenerate. She can fly the TARDIS better than the Doctor can, and is his match in derring-do. Then there's Missy, the possibly even more twisted female reincarnation of the other Time Lord, the Master. Clara Oswald and Ashildr, who have their own TARDIS, disguised as an American diner. Bill Potts and her godlike girlfriend Heather. And, briefly, the tragically human Doctor Donna.
You know how they say that if you put a live lobster in a pot of cool water and warm it up slowly, the lobster doesn't realize it's being cooked until it's too late? Dear Doctor Who fans who are women-haters; the water's been heating up for some time. Dinner is served.