They will probably have to update CKEditor for Edge. You can probably download and replace the files with the latest version yourself from the ckeditor web site once an Edge update is available.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.