Please bear in mind that there are [now] two distinct rsync codebases. The original is the GPL variant [today displaying "Upgrade required"]: https://rsync.sa

Please bear in mind that there are [now] two distinct rsync codebases. The original is the GPL variant [today displaying "Upgrade required"]: https://rsync.samba.org/ https://rsync.samba.org/ The second is the BSD clone: https://www.openrsync.org/ https://www.openrsync.org/ The BSD version would be used on platforms that are intolerant of later versions of the GPL (Apple, Android, etc.).