Hi Mark, welcome to the forum.

There has been no change in this regard for version 2012.

With the comma in your example, you are describing two chords in two beats. It has never been possible to do two chords in one beat in BIAB.

There are some workarounds we could talk about. This related recent thread is useful: http://www.pgmusic.com/forums/showflat.php?Cat=0&Number=341127&an=0&page=0#Post341127


BIAB 2025 Win Audiophile. Software: Studio One 7 Pro, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Roland Integra-7, Presonus 192 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.