polars [`groupby_dynamic`](https://pola-rs.github.io/polars-book/user-guide/howcani/timeseries/temporal_groupby.html#parameters-for-groupby_dynamic) seems worthwile to further explore :mag: If this seems rather performant, this might be an interesting alternative for our strided-rolling backend :eyes:
polars
groupby_dynamicseems worthwile to further explore 馃攳If this seems rather performant, this might be an interesting alternative for our strided-rolling backend 馃憖