As you know, we announced the assigned users for documents in the last week. And this week, we are announcing the realtime editing feature.
Now you can create database schemas with your friends in a document as realtime. Also there is a chat room for communicate with online users in the document.
Now you can assign your private documents to work together with your friends or colleagues. Also you can grant edit permission for your public documents.
Here is the screenshot of settings dialog: 
We are finishing up the private patterns feature. Now you can create patterns for yourself. Also we added a document settings dialog that makes it possible to change the visibility options of a document. You can click to the gear icon for that setting.
