What's new
What shipped, what it was like before, and who it was for. The complete list of every change lives in the repository; this is the part worth reading.
Everyone marks what works, and agreement books it
Proposing to a group used to mean the fastest tapper decided for everybody. Now each person marks every time that suits them, and a meeting only books when they actually agree.
Your data comes out in one piece
Rosters go in from a spreadsheet and come back out as one. The exports that were failing silently in some browsers now actually leave.
An organization says what a team is, and where its teams are
Wards, crews and departments are now real structure inside the schedule, each with its own rota and the person who runs it.