The official story is along the lines of Sabreena Duffy withdrew from the 2022 season due to wanting to focus on her career with the Department of Justice. There was difficulty with devoting time to training and playing whilst pursuing her career. At the end of the season, Fremantle delisted her.
10 June 2022 A few weeks later,
29 June 2022 Duffy was signed by Melbourne as a free agent.
That story does not seem entirely cogent. I am looking for a missing bit.