Laravel v6.6.2 is released in 2019/12/05, here are the changes we`ve merged into this release.

Added

Added Illuminate\Support\Facades\Facade::partialMock() method (#30754)

method (#30754) Added of support retryAfter option on queued listeners (#30743)

Fixed

Fixed zero parameter for routes (#30768)

Changed

Changed getAllViews() method visibility from protected to public in all schema builders (#30757)

GitHub: https://github.com/laravel/framework/releases/tag/v6.6.2