Currently no-one in the development team is using TinyMCE on their servers (we're more partial to CKEditor), and we need to do a major version update of TinyMCE because of a security issue in the editor.
If there is no-one that can assist with testing the newer version of TinyMCE, that editor will be removed from the core starting with ImpressCMS 1.5.0.
This Post was from: https://www.impresscms.org/iforum/viewtopic.php?topic_id=5918&post_id=50754