Most requested feature in community is visibility / current state of geo-replication. Checkpoint is currently available, but that is not enough. Details like number of synced entities and current delta between master and slave would be handy.
because of the large number of bugs filed against mainline version\ is ambiguous and about to be removed as a choice. If you believe this is still a bug, please change the status back to NEW and choose the appropriate, applicable version for it.