Most companies would take a year or so to release a new product. However, Focusrite has core ranges which they update, so you get half a dozen models and a couple of bundled packages all released at once. Now, let’s talk about their Scarlett range which they claim to be the best-selling range of interfaces.
The Scarlett range is the main USB entry point to Focusrite interfacing. They have models for everyone whether you are a beginner or a professional. In the third generation of Scarletts, the much-needed upgrades among the set were scattered accordingly. They boosted the tech specs, added inputs and improved the whole user experience.
Read more about this here: https://www.musictech.net/reviews/studio-recording-gear/focusrite-scarlett-3rd-gen/