Laravel v5.8.28 is released in 2019/07/09, here are the changes we`ve merged into this release.

Added

Make TestResponse tappable (#29033)

Added Support\Collection::mergeRecursive() method (#29084)

method (#29084) Added Support\Collection::replace() and Support\Collection::replaceRecursive() methods (#29088)

and methods (#29088) Added Session\Store::only() method (#29107)

Fixed

Fixed cache repository setMultiple with an iterator (#29039)

Fixed cache repository getMultiple implementation (#29047)

Reverted

Changed

Fail job immediately after it timeouts if it wont be retried (#29024)

GitHub: https://github.com/laravel/framework/releases/tag/v5.8.28