XD 32 is out this morning. The detailed summary of new features is here.
As for API changes, XD 32 introduces multiple flows which changes the implementation for the following:
homeArtboardis now defined as the home-artboard of the top-left flow (if present), else
nullif there are no flows or home-artboards.
isHomeArtboardis true only for the top-left flow’s home-artboard and false for all other artboards, whether they are home-artboards or not.
There are no breaking changes anticipated.