Versions A, B, C etc are shown on the months that they are released.
(P) shows a Personal License purchase
(S) shows the subscription start
(X) shows when the subscription is cancelled
(O) circled version shows the perpetual version
Subscription cancelled at 12 months
All versions included while the subscription is valid
Version C can continue to be used after cancellation
Versions D and onwards can't be used
Subscription cancelled at 24 months
Version E can continue to be used after cancellation
Versions F and onwards can't be used
Subscription cancelled at 20 months
Version D can continue to be used after cancellation
Version E and onwards can't be used
Subscription cancelled at 3 months
Version A can be used while subscribed
10x can no longer be used after it has been cancelled because the 12 month
perpetual qualification period was not reached
Subscription restarted for another 3 months
Version D can be used when resubscribing (S2)
10x can no longer be used after it has been cancelled (X2) because the
12 month perpetual qualification period was not reached
Subscription cancelled after 14 months and restarted for 6 months
Version C can continue to be used after cancellation
Version D can't be used until the next subscription is started
Version D and E can be used while subscribed (S2)
Cancelling after 6 months (X2) you must go back to your perpetual version C
Subscription cancelled after 12 months and restarted for 12 months
Version C can be used after cancellation
Version D and E can be used while subscribed (S2)
Cancelling after 12 months (X2) qualifies for a new perpetual version E
Version E can continue to be used after cancellation
Version F and onwards can't be used