Huawei has opened its beta programme for EMUI 12 in Europe. Currently, EMUI 12 is available to test on the Mate 30 Pro, Mate 40 Pro, P40, P40 Pro and the P40 Pro Plus. EMUI 12 builds on EMUI 11 and HarmonyOS 2, which Huawei distributes in China.
https://www.notebookcheck.net/Huawei-begins-EMUI-12-open-beta-testing-in-Europe-with-the-Mate-30-Pro-Mate-40-Pro-and-the-P40-series.578715.0.html