I have been building networks of websites with WordPress Multisite since 2011, and improving WordPress performance since 2018.
But believe me or not I had almost no experience of using WordPress as a visual editor, actually.
Though it took some time after Notepad++ and Evernote, now I’ve got pretty used to WordPress WYSIWYG editor.
But still, there was a real pain in the ass for me.
When you place a list (no matter, ordered or not) and press Enter expecting to have paragraph inside your <li></li> item you never get it! You get new <li></li> instead!
By chance today I got to know how to add paragraph inside list item in WP WYSIWYG editor:
As easy as pie, isn’t it?)