I have read two of the books Mya mentioned; namely, Simon vs. the Homo Sapiens Agenda by Becky Albertalli and Aristotle and Dante Discover the Secrets of the Universe by Benjamin Alire Sáenz.
When I was growing up, all the movies and all the books I ever saw, or read had terrible ending for LGBTQ+ characters. It is nice to read books with happy endings for a change.
Here are some other YA books of diversity:
Robert Confiant 28 March 2018