Let's see.

1. Unwanted but coercive upgrades.

2. Delivering genuinely upgraded complexity and incoherence, under the cloak of new feature theatre.

3. In a context where customers just wish they could keep using what they have already paid for. Without paying again.

4. But they have to, because of artificially introduced cross-user new-version incompatibilities and strategically scheduled bit rot.

5. All so a company can keep extracting money from people it is no longer actually serving.

This is very similar to enshittification. Customers invest (time, money, data), in something they love. Their common investment has been transmogrified into a dairy, er, prison. And now they are all milked by all the dark patterns and milk pumps their supplier/master can insert between the users and water, users and grass, users and the midden, er, I mean into every remaining useful part of the service. While they shamelessly and unconvincingly claim to still be their hope, light and beloved benefactor.

Encrapification? No...

Fucked-up-grades? Choose which ever silla-bic em-fassis you prefer. (Sorry for the saucy stout boldness, to you of youth and gentle heart. But the point of crass terms is to not let targets off the verbial hook, with a weak or cute euphemism.)

Quickbooks, anyone? The list is long.

Brevity for the win ——> "Fuckup-grades".