Huawei has confirmed that its next OS, EMUI 11, will be arriving in August. Based on open-source Android 11 without any Google apps or services, EMUI 11 will land on the Mate 30 and Mate 30 Pro this quarter before making its full debut on the Mate 40 and Mate 40 Pro later this year.
https://www.notebookcheck.net/EMUI-11-Open-source-Android-11-based-OS-arriving-in-August-beta-testing-to-start-with-Huawei-Mate-30-and-Mate-30-Pro.480325.0.html