Yii2support plugin beta version was released.

New functionality:

1. validation autocomplete
2. autotype for Yii::createObject() call

Feel free to test and post bugs on GitHub. Because it is a beta release, it should be installed via "Install plugin from disk".

Plugin file could be downloaded either from plugins.jetbrains.com Beta channel or from https://plugins.jetbrains.com/plugin/download?updateId=35899.