Huawei has begun pushing EMUI 11 to more devices globally, including the Mate 20 and P30 series. The Nova 7 and Nova 5T are now eligible for EMUI 11 in some regions too.
https://www.notebookcheck.net/Huawei-updates-its-EMUI-11-rollout-in-six-regions-with-OS-upgrades-for-the-Mate-20-and-P30-series.524472.0.html