WordPress Tinymce editor broken and nothing seems to fix it :(

Question

First off, i've tried stuff posted here already, didnt help.

Issue :

Here is what i tried Tried renaming htaccess removing all plugins removing and reinstalling theme (there is only one ) tried diff wordpress theme tried reuploading the tinymce folder tried reuploading post.php

Nothing works so far,

Javascript console shows

Can someone assist? this is really getting on my nerves.

Answer 1

This is likely caused by a regression in TinyMCE (which was updated in 4.9.6).

See https://core.trac.wordpress.org/ticket/44134 for the fixes to go into 4.9.7.