The "keywords" meta tags is no longer used by any of the major search engines. Under some circumstances they can actually be scored negatively against the page rank, when a high count of irrelevant or duplicated key words are added. 

The system will automatically de-duplicate keywords if entered. For example if "SEO, meta, Seo,tags,,," is entered as the list of keywords, the list will be converted to "SEO, meta, tags"

Later releases will deprecate the entry of key words completely. Currently Google completely

 The following field validations have been added.

^[A-Z0-9._%+\-#'&]+@[A-Z0-9.-]+\.(?:[A-Z]{2}|com|org|net|edu|gov|mil|biz|info|mobi|name|aero|asia|jobs|museum)$

You may have seen email warnings about "variable is deprecated". The system has been updated to warn if an email variable or bit of code which is 'deprecated' or out of date. (I had to look up what that meant! - see https://en.wikipedia.org/wiki/Deprecation).

What do you do?

You can click Continue to send the emails and it will be fine.

To stop seeing the warning we just need you to update your email template to the new formats for email variables. For example $recipient.firstname,Sir/Madam$ it is

The HTML META tag "description" allows you to influence how your web pages are described and displayed in search results. A good description acts as a potential organic advertisement and encourages the viewer to click through to your site.

A page META description should be short. The description in the <meta description> tag should to be between 25 and 160 characters in length. A <meta description> tag which is too long will be displayed truncated and can be seen as spam by search engines. The optimal length