I am running a kafka cluster and I wanted to migrate to kafka 4.0 however I am not sure if all connected producer and consumers are compatible with it. I've already looked at kafka-consumer-list thread.

• Is there a way to figure out if they are compatible (or at least what versions do they run) without going into each individual repository and manually checking?

• Is the client version even sent to the cluster in metadata?

update 02.04.2025

I've found some documentation regarding this topic however it goes in my case in wrong directions, because i need to ask from broken, clients versions.

In order to work against multiple broker versions, clients need to know what versions of various APIs a broker supports. The broker exposes this information since 0.10.0.0...

The REST Consumer API gives a peek into

the current state of consumer groups, allows you to create a consumer in a consumer group and consume messages from topics and partitions