Features

1. In 1.69 was introduced drag & drop but IE users could not select any field. This issue was fixed in less than 24h. But if you are experiencing same issue I recommend to update.
2. In this version I added option to turn session cookies for form validation. Some users were reporting for getting spam messages. You just have to edit "chat configuration" -> "Use session captcha. LHC have to be installed on same domain or subdomain."
   and set 1. Please be sure that chat is running on the same domain or subdomain.

Here is an article related how invisible captcha is working there.

execute doc/update_db/update_52.sql for update and don't forget standard upgrade instructions