Bio Tracker insight
Stop testing on PHP 5.3

The bio tracker insight does not work on PHP 5.3 with special characters and PHP 5.3 has been end-of-life'ed.
This is the beginning of our PHP 5.3 support deprecation.
See also #1830
New Dictionary Words Insight

Takes a list of date/word/insight text combos, looks for the user
having ever said that word in the past, and generates a new insight.

References #2057