Steps to reproduce the issue

Current version of TinyMCE has now reached 4.4.0

Expected result

Current Joomla version 4.3.12

Actual result

System information (as much as possible)

4.4.0 changes
ADDED new inlite theme this is a more lightweight inline UI.
ADDED smarter paste logic that auto detects urls in the clipboard and inserts images/links based on that.
ADDED a better image resize algorithm for better image quality in the imagetools plugin.
FIXED bug where it wasn't possible to drag/dropping cE=false elements on FF.
FIXED bug where backspace/delete before/after a cE=false block would produce a new paragraph.
FIXED bug where list style type css property wasn't preserved when indenting lists.
FIXED bug where merging of lists where done even if the list style type was different.
FIXED bug where the image_dataimg_filter function wasn't used when pasting images.
FIXED bug where nested editable within a non editable element would cause scroll on focus in Chrome.
FIXED so invalid targets for inline mode is blocked on initialization. We only support elements that can have children.

4.3.13 changes
ADDED characters with a diacritical mark to charmap plugin. Patch contributed by Dominik Schilling.
ADDED better error handling if the image proxy service would produce errors.
FIXED issue with pasting list items into list items would produce nested list rather than a merged list.
FIXED bug where table selection could get stuck in selection mode for inline editors.
FIXED bug where it was possible to place the caret inside the resize grid elements.
FIXED bug where it wasn't possible to place in elements horizontally adjacent cE=false blocks.
FIXED bug where multiple notifications wouldn't be properly placed on screen.
FIXED bug where multiple editor instance of the same id could be produces in some specific integrations.

Additional comments

I would put together a PR, but have no idea how to do a comparison of the changed files.