The macOS High Sierra 10.13.5 Update improves the stability, performance, and security of your Mac, and is recommended for all users.
This update adds support for Messages in iCloud, which lets you store messages with their attachments in iCloud and free up space on your Mac. To enable Messages in iCloud, go to Preferences in Messages, click Accounts, then select ”Enable Messages in iCloud.”
- Variables used in SCEP payloads now expand properly.
- Configuration profiles containing a Wi-Fi payload and SCEP payload install as expected when the
KeyIsExtractablekey of the SCEP payload is set to
See Apple Security Updates for detailed information about the security content of this update.