This build brings improved detection for return types, many bug fixes and performance improvements (see full list in our issue tracker).
Other changes from IntelliJ platform and web are also there, including new layout of Settings (Preferences), see complete release notes.
Download PhpStorm 8.0.2 EAP build 139.14 for your platform from project EAP page and please report any bugs and feature request to our Issue Tracker. Patch update will be available in an hour from the previous EAP build (PhpStorm 8.0.2 EAP 138.2502).
Develop with pleasure!
-JetBrains PhpStorm Team