xlwings 0.15 introduced a new version of dynamic arrays. Note that if you are already enjoying the new native dynamic arrays of Excel (currently accessible only if you are on the Office 365 insider channel), you don't have to do anything special and should not use xlwings' version of the dynamic arrays via the return decorator.
For those that still need to use xlwings' version of dynamic arrays: They have been improved with these advantages:
- They now use Excel's (legacy) array formulas
- They are faster
- They don't require an empty row/column around them anymore
xlwings REST API video
The xlwings homepage now features a 2 minutes video of how you can make use of the new REST API that was introduced with 0.13. Click the button below to watch. Also don't forget to upvote this issue if you would like us to implement the POST methods (e.g. to create new workbooks).