You can switch to Beta channel on Chromebook and see new features months earlier than they arrive officially (on Stable channel).
- Open Launcher Menu and search Settings
- In Settings at the bottom left open About ChromeOS.
- Open Additional Details
- Hit Channel Channel and select Beta.
- Go back (by tapping Arrow Back at the top left), wait for the download and update to finish and Hit restart to apply changes.
You can also watch a step by step video on how to change to Beta channel on Chromebook: