[Sacho]

If Rsync is complete software, why aren't you pinning the version and avoiding any problems with updates?

Perhaps there's people that don't consider it complete software; they can bear the burden of the new releases while you stay on the old and complete one. This has been normal software release and use practice for decades. Whole Linux distributions are built around different philosophies on software releases.

And yet you're making an argument as if this is something novel...