Buying lifetime unlock Dorico for iPad?

Any info on when buying the Lifetime Unlock for Dorico for iPad will be possible? Everytime I start Dorico for iPad I see no place to find information on my subscription nor how to purchase the lifetime unlock. Yet someone just mentioned they were able to purchase the lifetime unlock yesterday.
I’ve got version installed. I’ve done a hard-reset of my iPad but nothing has changed.

I’ve answered in the other thread where you’ve asked this question: