Show/Hide editor is not working in static blocks. I am getting following Errors in the console –
Refused to execute script from
https://www.example.com/admin/cms/block/edit/block_id/20/key/f3ee116b456375338c3747b3ab97692ba62457613c332ab989c7d8431ce2841f//plugins/style/editor_plugin.jsbecause its MIME type ('text/html') is not executable, and strict MIME
type checking is enabled.
Best Answer
Solved it! The issue was due to minification of js files. After disabling the minification, the wysiwyg editor started working again.
Got a bit of idea from this - https://github.com/magento/magento2/issues/11577