Larian Studios Forums Baldur's Gate III Baldur's Gate III - Technical & Gameplay Problems Patch 3 Splitscreen conversation cutscene no longer plays.

Indeed it is.
That's why I sent them another bug report about it not being fixed by Hotfixes 8 and 9.

Remember you can send a bug report here:
https://larian.com/support/baldur-s-gate-3#modal