You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
Using version 2021.12.25.7 as an example, 2021 is the year, 12 is the week a specific update began development, 25 is a major update, and 7 is a minor update or bug fixes.