WordPress PHP education initiative (codename servehappy)

The servehappy project is an initiative that seeks to educate WordPress site owners about the value of having the latest version of PHP powering their WordPress site. This supports the overall goal of increasing the percentage of WordPress installs running modern PHP versions.

You can read more about the goals and the current state of the project at the official Feature Project page: https://make.wordpress.org/core/features/servehappy/