• Added info about the PHP version when running composer --version (#11866)
• Added warning when the root version cannot be detected (#11858)
• Fixed plugins still being enabled in a few contexts when running as root (c3efff91f)
• Fixed outdated --ignore ... still attempting to load the latest version of the ignored packages (#11863)
• Fixed handling of broken symlinks in the middle of an install path (#11864)
• Fixed update --lock still incorrectly updating some metadata (#11850, #11787)

Full Changelog: https://github.com/composer/composer/compare/2.7.1...2.7.2