New firmware available. Check the 4th post down on this thread.
I’m going to assume you need to put the details in again for miners, freq, pool details (if different from default)?
Yes, it's a whole new image and resets everything to factory. This is not a critical update so if your system is working and you're happy, leave it!
What about changing the pool url gadget to a drop-down box with 3 (or more) default options:
Then a text gadget to enter a custom/modified pool.