PhpStorm just released version 2017.1 and it includes many improvements including support for Codeception, PhpUnit 6.0, and more PHP 7.x features.
Beyond these, it also adds support for @includeWhen, @component and @slot directives and PHPDoc through Blade injections.
Here is a screenshot showing the PhpDoc for Blade files:
For the full details on this release check out their what’s new page that highlights all the new features.