The PHP 5.5 support period ends. Two years after the release of the first version of PHP 5.5, 26 updates were released. On July 9, PHP 5.5.27 is expected to be released, which will be the last regular update of this thread. After that, only security bug fixes will be issued during the year.
How to contribute to the PHP Manual - If you want to help PHP, but do not have sufficient knowledge of C - there is an opportunity to edit and add documentation.
Packages vs.Components: The Dependency Problem. - An interesting post about addiction problems. As, for example, the impossibility of using two different versions of the package at the same time.