TinyMCE seems to be counted, a few months ago, we were presented with the future editor of WordPress, this editor will replaced the TinyMCE editor and will help define the web moving forward. This editor is called Gutenberg.
The editor is not like your classic WYSIWYG (what you see is what you get) editor, but it is built out of the user experience and the increase of Page Builders like Visual Composer, Beaver Builder, BoldGrid, etc. It has received several criticism, but be aware that everything that is different will always find some contrary reactions and its fine.
I am honestly excited for what is to come because I do believe on Matt Mullenweg’s work as he has been vital to making WordPress so popular that is on 28% of all websites (that is amazing btw). So you can read the full thread below: