Actually yes. We had already been planning to do 2.0 for a long time. We originally said we'd move on from 1.x quickly when released 1.0 but ended up staying at 1.x much longer than intended.

From a quick check our first PRs were merged to the 2.0 branch in June:

    2026-06-17T21:27:51Z #27993 chore: Stop coercing `pl.col(...)` to selector ...
    2026-06-18T14:19:26Z #27996 chore!: Replace multi-seed hash API with a single seed
    2026-06-19T07:05:11Z #27991 chore(python!): Remove `Expr.flatten` function

Are they competing for something?

It does not use datafusion. https://github.com/pola-rs/polars/issues/6197

   I don't want polars to depend on on the datafusion crate, that is a complexity that is not needed.

What was your previous setup / stack?