An old one that was quite serious: some options didn't really work because some of your settings couldn't be retrieved
A recent one that comes with the last update of TinyMCE: a official function has been modified, so the integration needed to be updated to prevent an error during the load of JavaScript (was only triggered in some occasions)
Thanks to Karll & Olly Wood
If you are using the Bbm addon, TinyMCE quattro will...
The full setup of tinyMCE is now done from php instead of templates
The full setup can be access from a listener (replaces the former one)
The templates code have been simplified a lot
Some values of this addon options ("TinyQuattro - Editor options") have been modified, so just check the options again and save them: It's easy some bolean options will have a blank...