Paragon HDM ver 17, is this now mainstream, is there an upgrade price

I have paragon HDM 16.5 advanced. I see references to ver. 17
is ver. 17 available as mainstream now, and is there an upgrade price for this?
and does the one license cover three machines?
thanks
nick

HDM 17 is mainstream.
Depending on your previous versions you should have update/upgrade offers in your customer account on https://my.paragon-software.com/#/login.
Version SKU PSG-796-PEU is a single licence, SKU PSG-795-PEU-VL3 is a triple licence.