Laravel v5.8.3 is released in 2019/03/05, here are the changes we`ve merged into this release.

Added

Added Collection::countBy() (#27770)

(#27770) Added protected EloquentUserProvider::newModelQuery() (#27734, 9bb7685)

(#27734, 9bb7685) Added protected StartSession::saveSession() method (#27771, 76c7126)

method (#27771, 76c7126) Allow belongsToMany to take Model/Pivot class name as a second parameter (#27774)

Fixed

Fixed environment variable parsing (#27706)

Fixed guessed policy names when using Gate::forUser (#27708)

(#27708) Fixed via as string in the Notification (#27710)

as in the (#27710) Fixed StartSession middleware (499e4fe)

middleware (499e4fe) Fixed stack channel's bug related to the level (#27726, bc884bb)

channel's bug related to the (#27726, bc884bb) Fixed email validation for not string values (#27735)

Changed

Check if MessageBag is empty before checking keys exist in the MessageBag (#27719)

GitHub: https://github.com/laravel/framework/releases/tag/v5.8.3



