Added v5.5 changes

CHANGELOG-5.5.md

@@ -7,15 +7,23 @@
 - Removed deprecated `ServiceProvider::compile()` method ([10da428](https://github.com/laravel/framework/pull/17048/commits/10da428eb344191608474f1c12ee7edb0290e80a))
 - Removed deprecated `Str::quickRandom()` method ([2ef257a](https://github.com/laravel/framework/pull/17048/commits/2ef257a4197b7e6efeb0d6ac4a3958f82b7fed39))
 - Removed `build` scripts ([7c16b15](https://github.com/laravel/framework/pull/17048/commits/7c16b154ede10ff9a37756e32d7dddf317524634))
+- Removed usages of the `with()` helper ([#17888](https://github.com/laravel/framework/pull/17888))
 
 ### Eloquent
 - Indicate soft deleted models as existing ([#17613](https://github.com/laravel/framework/pull/17613))
+- Added `$localKey` parameter to `HasRelationships::belongsToMany()` and `BelongsToMany` ([#17903](https://github.com/laravel/framework/pull/17903), [7c7c3bc](https://github.com/laravel/framework/commit/7c7c3bc4be3052afe0889fe323230dfd92f81000))
 
 ### Events
 - Removed calling queue method on handlers ([0360cb1](https://github.com/laravel/framework/commit/0360cb1c6b71ec89d406517b19d1508511e98fb5), [ec96979](https://github.com/laravel/framework/commit/ec969797878f2c731034455af2397110732d14c4), [d9be4bf](https://github.com/laravel/framework/commit/d9be4bfe0367a8e07eed4931bdabf135292abb1b))
 
+### HTTP
+- Ensure `Arrayable` objects are also morphed by `Response` ([#17868](https://github.com/laravel/framework/pull/17868))
+
 ### Redis
 - Removed `PhpRedisConnection::proxyToEval()` method ([#17360](https://github.com/laravel/framework/pull/17360))
 
 ### Routing
 - Bind empty optional route parameter to `null` instead of empty model instance ([#17521](https://github.com/laravel/framework/pull/17521))
+
+### Testing
+- Switched to PHPUnit 6 ([#17755](https://github.com/laravel/framework/pull/17755), [#17864](https://github.com/laravel/framework/pull/17864))