I am aware of both of those things:
1)that Advanced TinyMCE doesn’t still act compatibly- and deleted that plugin almost immediately after upgrading wordpress. And have since tried using only the “stock” version of editor, as well as with similar/comparable plugins for the editor. None making any more difference than the last.
2)I am also already aware of the fact that it hasn’t been confirmed for 3.9 – which doesn’t mean it’s incompatible necessarily, only that it could be– in which case would require updates to be made to the plugin.
however- since it looked to be a premium feature to get to ask questions, find out if there was an update in the works: that lead me to post the issue here.
and, what doesn’t work is everything … from the settings page, it still shows the plugin active and shows the fonts I installed, but it’s basically inaccessible. when writing posts/editing pages: It doesn’t show up in the editor or work anywhere in the posts section of the UI