TinyMCE HTML editor Versions of the TinyMCE editor that are available. Version 4, which provides a simplified toolbar and an updated table designer tool. Version 3. The version of the TinyMCE editor currently in use depends on the user interface: The UI16 and UI15 interfaces use version 4. The UI11 interface uses version 3. Figure 1. TinyMCE v4 Figure 2. TinyMCE v3 Users can modify the TinyMCE toolbar and add or remove functionality. For more information, see Configure the TinyMCE HTML toolbar.