New features of this major release are:
– Background updates. Automatic installation for security and bug fix minor updates are enabled by default. As official blog says, you may sleep, but critical update will be applied without your participation.
– Stronger password recommendations checked during new password creation and followed WordPress password strongness meter. It recognizes common mistakes that can weaken your password: dates, names, keyboard patterns (123456789), and even pop culture references;
– Improved search results. Search results are ordered better in relevance to the post content, not by publication date only.;
– Better global support. As the part of realized automatic update engine WordPress 3.7 adds support for automatically installing the right language files and keeping them up to date.