[8.x] update changelog

CHANGELOG-8.x.md

@@ -1,6 +1,33 @@
 # Release Notes for 8.x
 
-## [Unreleased](https://github.com/laravel/framework/compare/v8.14.0...8.x)
+## [Unreleased](https://github.com/laravel/framework/compare/v8.15.0...8.x)
+
+
+## [v8.15.0 (2020-11-17)](https://github.com/laravel/framework/compare/v8.14.0...v8.15.0)
+
+### Added
+- Added lock support for file and null cache drivers ([#35139](https://github.com/laravel/framework/pull/35139), [a345185](https://github.com/laravel/framework/commit/a3451859d1cff45fba423cf577d00f5b2b648c7a))
+- Added a `doesntExpectOutput` method for console command testing ([#35160](https://github.com/laravel/framework/pull/35160), [c90fc5f](https://github.com/laravel/framework/commit/c90fc5f6b8e91e3f6b0f2f3a74cad7d8a49bc71b))
+- Added support of MorphTo relationship eager loading constraints ([#35190](https://github.com/laravel/framework/pull/35190))
+- Added `Illuminate\Http\ResponseTrait::withoutCookie()` ([e9483c4](https://github.com/laravel/framework/commit/e9483c441d5f0c8598d438d6024db8b1a7aa55fe))
+- Use dynamic app namespace in Eloquent Factory instead of App\ string ([#35204](https://github.com/laravel/framework/pull/35204), [4885bd2](https://github.com/laravel/framework/commit/4885bd2d4ecf79de175d5308569ab0d608e8f55b))
+- Added `read` / `unread` scopes to database notifications ([#35215](https://github.com/laravel/framework/pull/35215))
+- Added `classBasename()` method to `Stringable` ([#35219](https://github.com/laravel/framework/pull/35219))
+- Added before resolving callbacks to container ([#35228](https://github.com/laravel/framework/pull/35228))
+- Adds the possibility of testing file upload content ([#35231](https://github.com/laravel/framework/pull/35231))
+- Added lost connection messages for MySQL persistent connections ([#35224](https://github.com/laravel/framework/pull/35224))
+- Added Support DBAL v3.0 ([#35236](https://github.com/laravel/framework/pull/35236))
+
+### Fixed
+- Update MySqlSchemaState.php to support MariaDB dump ([#35184](https://github.com/laravel/framework/pull/35184))
+- Fixed pivot and morphpivot fresh and refresh methods ([#35193](https://github.com/laravel/framework/pull/35193))
+- Fixed pivot restoration ([#35218](https://github.com/laravel/framework/pull/35218))
+
+### Changed
+- Updated `EmailVerificationRequest.php` to check if user is not already verified ([#35174](https://github.com/laravel/framework/pull/35174))
+- Make `Validator::parseNamedParameters()` public ([#35183](https://github.com/laravel/framework/pull/35183))
+- Ignore max attempts if retryUntil is set in `queue:work` ([#35214](https://github.com/laravel/framework/pull/35214))
+- Explode string channels on `Illuminate/Log/LogManager::createStackDriver()` ([e5b86f2](https://github.com/laravel/framework/commit/e5b86f2efec2959fb0e85ad5ee5de18f430643c4))
 
 
 ## [v8.14.0 (2020-11-10)](https://github.com/laravel/framework/compare/v8.13.0...v8.14.0)