There's already tons of videos about Plaits 1.2 on YT, so I am a bit late to the party. But it's a party indeed! Eight new modes with over a 100 new presets. How's that? Because mode 03, 04 and 05 each have 32. You can find the firmware on the Mutable Forum.
https://forum.mutable-instruments.net/t/plaits-firmware-update/20719
Dear Emilie, thanks for this incredible heritage of great modules! You are legendary.