This is why I like the JetBrains approach: you're entitled to a permanent license of an older version based on how long you've paid (presumably it matches up with the cost in a non-subscription model)

I don't hate subscriptions; it's great approach from a cash-flow perspective. (I remember when a Photoshop license meant shelling out $700). However under that model no one kept paying year after year unless they wanted new features.