- if you're subscribed for 12 months, you get a perpetual license for the version at the start of that period (unfortunately not the end, but better than most subscriptions)
- fairly significant discounts for second and third+ years.
- they had a price increase either 2022 that was in line or below inflation, which they announced it clearly three months in advance -- no "beware of the leopard" -- and gave users an opportunity to prepurchase three years at the old rates in advance.