rsync replaced with openrsync on macOS Sequoia
「 Without going in-depth into the background legal issues, the reason for not providing rsync 3.x is that Apple decided that while it could comply with the terms of GPLv2 license with regards to rsync 2.x, it could not comply with the terms of GPLv3 license with regards to rsync 3.x 」
https://derflounder.wordpress.com/2025/04/06/rsync-replaced-with-openrsync-on-macos-sequoia/
