What feature or improvement would you like to see?

https://github.com/mkleehammer/pyodbc/wiki/Features-beyond-the-DB-API

"cursor.execute() returns the cursor" seems non-controversial and would be a good quality-of-life upgrade.

"Cursors are iterable" and "access values by name" may also be nice, albeit of limited utility since presumably you just want Arrow data and aren't going to be doing row-by-row things.