CUTE for Confluence brings along various new features our customers voted for as well as a couple of bugfixes. See the whole list here: Jira
Adjust the mobile UI of Confluence, define the order in which CUTE extensions are loaded, use versioning for rolling back on certain extensions if needed and add help texts for other admins. Autosave makes working on extensions even more comfortable.
If you have been rendering Confluence macros with CUTE for Confluence there might be the need to adjust the way, those macros are rendered.