Apple has today released macOS 10.13.5 to the public, bringing support for Messages in iCloud.
First announced in June of last year, Messages in iCloud brings much improved message syncing - meaning that deleting a message on one device will also remove it from any other devices that use the same Apple ID. When setting up a new device, all of your existing messages will be available. Additionally, older messages and attachments are stored in iCloud rather than locally on your device…