I’ve search the forum but have not found an answerer. I’ve check the release notes it states the following:
I’ve tried this but no luck, is there anything else I can do to fix this?7) TinyMCE
TinyMCE has had some serious enhancements as well. However, those enhancements make it so that on an upgrade you may not see the TinyMCE editor in your content pages, or various frontend forms. To resolve this problem, you may need to uninstall the TinyMCE module (in Extensions >> Modules) and re-install it, then reset the settings.