I was thinking what happened to the P20 series that nothing was mentioned about EMUI 12 since the official list was released at the end of October but it seems that in
EMUI 12 beta rolling out for Huawei P20 and P20 Pro - Huawei Central
emui 12 for Huawei Nova 5t UK. : r/Huawei
EMUI 12: A game changer for global Huawei phones - Huawei Central
EMUI 12 beta rolling out for Huawei P20 and P20 Pro - Huawei Central
Большое обновление EMUI 12 в России — для Huawei Nova lite 3, Mate 20 lite, P20 Pro,
Huawei P20 Pro CLT-L09 Orange EMUI 12 Update Installation(C109) - Ministry Of Solutions | Huawei, Solutions, Orange
Stable EMUI 12 released for P20, P20 Pro and Mate 20 Lite - HU
Huawei rolls out EMUI 12 update to the P30 smartphones - Gizchina.com
Standard Huawei P20 EMUI 12 rolling widely - Huawei Central
EMUI 12 Beta] How to Join & First Impressions - HUAWEI Community
Stable EMUI 12 for Huawei P20 and P20 Pro expanding - Huawei Central
Oldies Huawei P20 and Huawei P20 Pro received a beta version of EMUI 12 | gagadget.com
What I don't like about EMUI 12 for Huawei P20 Pro? - YouTube
HOW TO UPDATE HUAWEI P20/P20 PRO TO EMUI 12 WITH HISUITE PROXY!!! - YouTube
Oldies Huawei P20 and Huawei P20 Pro received a beta version of EMUI 12 | gagadget.com