The Female Protagonist and LGBTQ+ sections were axed in the public release of Steam Categories.

Before / After with highlighted changes

bonus even earlier version with highlighted removals

fuck diverse adventure games, right?

In their documentation they say that they listened to user feedback, I could only find two pieces of feedback on this matter

The LGBTQ+ tag still exists, even if it's not on the front page anymore, so you should go and support those creators https://store.steampowered.com/tags/en/LGBTQ 

Or you could support them on Itch instead! https://itch.io/games/tag-lgbt