POD Go 1.30 (released October 5, 2021) includes a new amp, new effects, new features, improvements, and bug fixes and is recommended for all users of POD Go and POD Go Wireless. Here's a video if you're in a hurry.
How do I update to 1.30?
Connect POD Go/POD Go Wireless to your computer and launch POD Go Edit. The software will walk you through the entire procedure, including backing everything up to your computer, updating POD Go Edit, and updating the firmware.