IBM has published on fixcentral the new Ephox Editors 18.104.22.168 that include a new custom color dialog box for fonts and several fixes. Here at this page the complete change logs.
I usually install and maintain Ephox on my IBM Connections environments because they have a lot of nice and smart features and they are really easy to istall and update.
Check this page to verify the IBM instructions from the IBM Connections Wiki.
After the upgrade check the following URL to verify the version installed: