The new Joomla! 3.6.1 contains a lot of bug fixes and it is really important to update your site as soon as possible. In the newest Joomla! version, developers introduced a CSRF token check to the Joomla! Update component - which will help secure your Joomla! site.
This caused some problems to our clients who are reporting issues with upgrading their sites to the newest CMS version. In this article, we aim to ensure that your upgrade goes as smoothly as possible.