The latest data shows that the sales did not rebound to the levels seen in the first 3 months of 2020. The number of sales is flat-lining at around 20% below the 2019 average.
Chart above is taken from the updated Kaggle notebook here: https://www.kaggle.com/alexfedoseev/covid-19-impact-on-australian-property-market/
P.S. Unless you are a data geek like me, ignore the code and only look at the charts.