Resume/Restart a change stream after adding a new shard

[Oded_Raiches]

Thanks @Garaudy_Etienne for the response,
I am seeing this issue again in MongoDB 6.0.
Opened a different thread with the info:

Change stream resume point lost after adding a new shard

Using MongoDB 6.0.6. Having a DB with sharded collections. The DB has a few shards, every shard is in a P-S-A (2 node replicas and an arbiter). My application is using change-streams to gather statistics, and is constantly reading for operations, while also maintaining the clusterTime timestamp in case the the app crashes, so we can continue from the last handled point. For the shards, we are self-maintaining the storage, and decide on adding a shard from time to time. Been noticing that wh…