I've been using React since its Class Components days back in 2018. I rebuilt my personal site many times with Gatsby, Next.js, Remix, Astro, and now Next 13, as a result of my love for hypertrendy stacks. In the last 2 years, I've been building rich UI SPA apps including full-fledged WYSIWYG complex editor.
Rich Text Editor
I'd say I have some strange fates with WYSIWYG editor. I built 2 full production-ready editors, one for my personal side project using Slate.js and one for my current company using TipTap. I've also tried a few other editors in my free time such as Draft.js, ProseMirror, Quill.js, and Lexical.
I've been a fan of Next.js and Vercel since 2019. I built my first fullstack site with Next.js and Graphql. Rebuilt my personal site twice with Next.js and MDX. Unfortunately, I've not got the chance to build any production-ready apps with Next.js in my job yet, so I'm really looking forward to it. I believe that as a Frontend developer, mastering Next.js is a great way to understand and build a better web app.