The untitled pilot comes from the creators of 'It's Always Sunny in Philadelphia'
The singer is known to hold the Pride flag onstage
Lena Waithe, Lady Gaga also made appearances
The 'Transparent' star also reveals how her LGBT advocacy landed her the role
The actor has not apologized
The singer has been open about his attraction to men in the past
The 19-year-old also identifies as non-binary
The show follows a group of friends in Los Angeles