Re:Running GitHub on Rails 6.0
by reilly3000 on Tuesday September 10, 2019 @03:39AM
(#20925906)
It looks like a decent WYSIWYG editor was one of the headline features of this 6.0 release. Its straight from Basecamp so you know its polished to the hilt.
https://trix-editor.org/
https://edgeguides.rubyonrails.org/action_text_overview.html