Laravel v6.15.0 is released in 2020/02/11, here are the changes we`ve merged into this release.

Added

Added Illuminate\Auth\Events\Validated event (#31357, 7ddac28)

event (#31357, 7ddac28) Make Blueprint support Grammar's macro (#31365)

support Grammar's (#31365) Added Macroable trait to Illuminate\Console\Scheduling\Schedule class (#31354)

trait to class (#31354) Added support dispatchAfterResponse in BusFake (#31418, e59597f)

in (#31418, e59597f) Added Illuminate\Foundation\Exceptions\Handler::getHttpExceptionView() (#31420)

(#31420) Allowed appending of rows to Artisan tables (#31426)

Fixed

Fixed locks for sqlsrv queue (5868066)

for queue (5868066) Fixed Illuminate\Events\Dispatcher::hasListeners() (#31403, c80302e)

(#31403, c80302e) Fixed testing with unencrypted cookies (#31390)

Changed

Allowed multiple paths to be passed to migrate fresh and migrate refresh commands (#31381)

Split Console InteractsWithIO to external trait (#31376)

Added sms link as valid URL in UrlGenerator::isValid() method (#31382)

method (#31382) Upgrade CommonMark and use the bundled table extension (#31411)

Ensure Application::$terminatingCallbacks are reset on Application::flush() (#31413)

are reset on (#31413) Remove serializer option in PhpRedisConnector::createClient() (#31417)

GitHub: https://github.com/laravel/framework/releases/tag/v6.15.0