You can see upgrading instructions here https://github.com/apache/cassandra/blob/cassandra-4.0.2/NEWS.txt.
On Fri, Feb 11, 2022 at 2:52 AM Abdul Patel <abd786...@gmail.com> wrote: > Hi > apart from standard upgrade process any thing specific needs ti be > handled separately for this upgrade process? > > Any changes needed at client side w.r.t drivers? >