When there is a new version available (usually every 7-14 days) you will see this notification at the bottom of your screen.
Updating on the web app
On the web app a simple page refresh in your browser will update your Marvin.
Updating on the desktop app
On the desktop app, Marvin will automatically download the newest version when available.
At the top right you can see the progress of the download.
Once finished this notification appears:
Clicking it will restart the application and you will be updated to the latest version.