Update TinyMCE from v4 to v5

Tiny v5 is way better than v4. Tiny is a huge company, they wouldn’t go and release a new version with less quality. Only looking at the design, you can feel the difference between 2004 and 2022:

Btw, it has a dark theme too:

Yes, they added some premium features which are not required for it to function, and I don’t see anything in the current CP editor that would require a premium feature.

It doesn’t have to be Tiny though, and if we decide to follow a roadmap anywhere close to what I proposed here, this could still wait.

Anyway, I’m leaving here an amazing updated and curated list of open source WYSIWYG editors:

JefMari/awesome-wysiwyg: A curated list of awesome WYSIWYG editors. (github.com)

I like this one: ContentTools. Simple, original, practical, 100% free and easy to extend. But yeah, saying it just for reference and inspiration.