Most notably, of course, was the departure of manager Darren Moore, who left his post with the club to take on a new role with Sheffield Wednesday.
Rovers are still very much in with a fighting chance of mounting a promotion charge, however.
But where do the experts think Doncaster will finish now that Moore has left, and who are they tipping for promotion to the Championship?
One set of data analysts have released their latest predictions on how the League One table will finish - and it makes for interesting reading after a busy period in the division, which has seen a number of teams drop points.
Scroll down and click through the pages as we see where their unique formula is predicting Rovers to finish come the end of the 2020/21 campaign:
But where do the experts think Doncaster will finish now that Moore has left, and who are they tipping for promotion to the Championship?