The Huawei Mate 8 is still receiving software updates, nearly five years after its release in November 2019. The latest update brings the July 2020 set of security patches and a battery abnormality detection feature. The update is rolling out now to Chinese handsets but should make its way to global handsets, too.
https://www.notebookcheck.net/The-Huawei-Mate-8-receives-a-new-update-almost-five-years-after-being-released.492635.0.html