Guzzle 6.0.0 - The most popular HTTP client has been updated. The new version uses the standard PSR-7, involved its own implementation of promises, as well as many other improvements.
RFC: Throwable Interface - Along with the implementation of exceptions, the PHP kernel also adopted a new exception hierarchy. In this case, the BaseException class, base for all types of exceptions, was introduced. Now it is proposed to get rid of the base class, and instead introduce and use the Throwable interface.
PHP Live Regex - Online regular expression debugging tool specifically for PHP.
PushmanPHP / pushman - Message Manager, allows you to send notifications to clients using websockets.
serkin / volan - Easy creation of a scheme for validating arrays + logging and a detailed report on errors found during validation. Sent by alexandrserkin .