With version history, you can see a full record of every change made to the file, revert to previous file versions, or branch off to create new versions from the existing ones.
Time machine
is now called Version history
and it is located in the file actions menu (downward-facing arrow next to the file name).
To access a file's version history, click the file actions menu (downward-facing arrow next to the file name) and select Version history from the options.
The Version history will appear at the bottom of the screen. You can then hit Play to see the complete file history - when and who has made what changes.
Version history will load the file from when it was first created, so it might take some time to fully load the most recent changes.
At any point, you can show or hide the file's current state alongside the earlier state you're viewing:
Click the Play button to see how the file has changed and Pause when you're ready to restore it. You can use the <> arrows to move forward or backward one change at a time.
From there, you can choose to: