Advanced and Dynamic Relative Filtering for Slicer

I think we should be able to filter between 2 dates in the future without having to create another column in Power BI. It would make it much easier to create reports and have the date ranges automatically move on the slicer based on our specifications and not another column added to the filter.

I understand that we can use the "between" option for slicer. However, for the two dates for this option, I want it to be a range. For example, Instead of 25/12/2018 to 31/12/2020,
I want an option for 3 months from now to 6 months from now

Thanks,
Rashid