it's not THAT huge on TV - but I think in the YA book market, romance and teen drama are merging in a way that makes romance more normal & mainstream. so: you will find many shows like "Heartstopper", "Love, Victor", "Never have I ever", "The Summer I turned pretty" right up to stuff like "Bridgerton" and popular K-Dramas that are all much less niche than similar teen romances 10 or 15 years ago. (plus, all these Christmas/Hallmark movies for older people and stuff like "Emily in Paris").

I don't mean "there are romantic comedies, and some of them happen to get a TV series version", I mean "romance fiction was this very ghettoized genre, and now the tropes and dynamics of romance fiction suddenly dominate most queer and most female-skewing TV dramas and a lot of current YA fiction"