We called that the 20-5-5 deal, and as someone that used Cloudflare and then went on to work there for a number of years, that is the only time I can remember Cf raising prices for something that had been fully released.

From my experience, features are added to the Enterprise offerings, and then eventually brought down to lower plan levels. However, most things are based on usage now, not plan level and I expect that is a better path to monetization for CF compared to simply raising prices.