After testing the new paragraph and formatting marks toolbar selection, I am seeing a couple of issues when using this selection for inline editing. The first issue is that formatting marks are generated in all editors and across all elements on the html page, not just the selected editor. The second issue is that if the editor area is scrollable, the formatting marks do not scroll with the content and remain stationary.
Please see this Dojo for example of the issues:
https://dojo.telerik.com/AZosilAv
Thanks.