3.Latest chrome browser
4.Magento environment: Production
5.Magento Version : 2.1.1
6.JS / CSS minifcation and merging enabled.
Steps to reproduce
1.Go into any page with a wysiwyg editor possiblity ( e.g. product edit page ).
2.See that sometimes it does not appear
3.Try clicking "Show editor". Nothing happens.
4.If you click the "Show/Hide editor" and do F5 refresh the page, suddenly the WYSIWYG editor shows.
When toggling between Show/Hide editor you should get the WYSIWYG editor.
Editor not showing (randomly) . Sometimes it does, sometimes not. A browser refresh might do so the editor opens.