The famous leaker RODENT950 has asserted that Huawei has put the P50 flagship smartphone into mass production, thus hinting that it will launch soon. The OEM will also apparently condense this whole series into just 3 variants in 2021, with the base model effectively becoming a Lite variant as it will not have Huawei's full premium processor.
https://www.notebookcheck.net/The-Huawei-P50-will-launch-with-the-Kirin-9000E-processor-thereby-becoming-the-new-Lite-variant.521667.0.html