- Set `bcrypt rounds` using the `hashing` config ([#4643](https://github.com/laravel/laravel/pull/4643))

- Added message for `not_regex` validation rule ([#4602](https://github.com/laravel/laravel/pull/4602))

- Removed "thanks" package ([#4593](https://github.com/laravel/laravel/pull/4593))

- Use `Hash::make()` in `RegisterController` ([#4570](https://github.com/laravel/laravel/pull/4570))

- Removed Bootstrap 3 variables ([#4572](https://github.com/laravel/laravel/pull/4572))

- Added `filesystems.disks.s3.url` config parameter ([#4483](https://github.com/laravel/laravel/pull/4483))

- Use Mix environment variables ([224f994](https://github.com/laravel/laravel/commit/224f9949c74fcea2eeceae0a1f65d9c2e7498a27), [2db1e0c](https://github.com/laravel/laravel/commit/2db1e0c5e8525f3ee4b3850f0116c13224790dff))

- Added `symfony/thanks` ([60de3a5](https://github.com/laravel/laravel/commit/60de3a5670c4a3bf5fb96433828b6aadd7df0e53))

- Updated default Echo configuration for Pusher ([#4525](https://github.com/laravel/laravel/pull/4525), [aad5940](https://github.com/laravel/laravel/commit/aad59400e2d69727224a3ca9b6aa9f9d7c87e9f7), [#4526](https://github.com/laravel/laravel/pull/4526), [a32af97](https://github.com/laravel/laravel/commit/a32af97ede49fdd57e8217a9fd484b4cb4ab1bbf))

- Added `-Indexes` option in `.htaccess` ([#4422](https://github.com/laravel/laravel/pull/4422))

- Fixed directive order in `.htaccess` ([#4433](https://github.com/laravel/laravel/pull/4433))

- Added `same_site` to `session.php` config ([#4168](https://github.com/laravel/laravel/pull/4168))

- Removed migrations from autoload classmap ([#4340](https://github.com/laravel/laravel/pull/4340))

- Simplified mix require ([#4283](https://github.com/laravel/laravel/pull/4283))

- Use quotes in `app.scss` ([#4287](https://github.com/laravel/laravel/pull/4287))

- Added SQL Server connection ([#4253](https://github.com/laravel/laravel/pull/4253), [#4254](https://github.com/laravel/laravel/pull/4254))

- Added missing `ipv4` and `ipv6` validation messages ([#4261](https://github.com/laravel/laravel/pull/4261))

- Added `FILESYSTEM_DRIVER` and `FILESYSTEM_CLOUD` environment variables ([#4236](https://github.com/laravel/laravel/pull/4236))

- Use lowercase doctype ([#4241](https://github.com/laravel/laravel/pull/4241))

- Added `optimize-autoloader` to `config` in `composer.json` ([#4189](https://github.com/laravel/laravel/pull/4189))

- Use fluent middleware definition in `LoginController` ([#4229](https://github.com/laravel/laravel/pull/4229))

- Added `unix_socket` to `mysql` in `config/database.php` ()[#4179](https://github.com/laravel/laravel/pull/4179))