YES. There’s been heckling, arguments among people in the audience, transphobic slurs, rudeness to ushers & service staff, comments on performers about their bodies, editing videos on their phone - I could go on and on.
Do I have any theatre folk followers on here? Can they confirm that audience behaviour in UK has become awful in recent years? Really common for people to chat at normal volume all the way thru a show, openly film performances, play on their phones, call out responses to actors