This is a brief "layman's" rundown of features for Next.js 13 from the perspective of a client. Rather than the "why", we are focusing on "what" it actually means.
App Directory (beta)
You get the absolute latest from React - better performance and better scalability due to enforcing the way developers layout code. It's basically explained perfectly on this website (https://remix.run/) - Next.js just pretty much stole Remix's unique selling point (kind of...) Read more
Faster website builds: when you make a change, your website should show it in production faster... Although it’s in Alpha right now, so you probably shouldn’t be running it on production - unless you’re the kind of person that likes running with scissors. Read more
It means your images will react more natively on your website - in other words you won’t really notice but Google will. Read more
Font is usually the main culprit for why your website looks crappy when it first loads. This completely solves this issue. No more Times New Roman appearing for a brief half second. Read more
Simplified API with automatic <a> - this was something that is easily missed out from a website with potentially catastrophic SEO effects. If you’ve ever noticed your website isn’t linking from page to page correctly in Google Analytics - this was probably the reason. It’s very easily done, and this update essentially rules out the possibility of forgetting to put a <a> and Google not knowing that two pages are linked together. Read more