Data Snapshots Then storing in SQL/PowerBI before Refreshing

Hi i am a placement Student working on Power BI.

I have read all the threads about taking data "snapshots" or baselines within Power BI and have seen that Power BI does not support this.

I was wondering if there has been any update on this or is there a method for carrying out this function as a way around Power BI not supporting it.

An example: I need to store the amount of service desk tickets open one week, store it and then refresh the data for the next week.

Any help would be great.

Thanks.