* Added 'return' to goHome() calls in actions
* Changed $_POST to Yii::$app->request->post()

Minor typo

Fix for multiple $.ajax calls with "JSONP" dataType

Debug module mail improvements

Mistype fix

Tests improved

Inconsistently insecure

Why use a strong random number generator in one place, but not another? I know salts have no cryptographic security requirement, but collisions are less likely if you use one.

Removed unnecessary PHPDoc property

Removed unnecessary PHPDoc property (https://github.com/yiisoft/yii2/commit/ce04134db24d3bcdc0388f5b7832dd1dbb1945ef)

PullRequest for #2417

error summary tag mistype

fixes #2406