According to recent rumors circulating around China's tech media, Huawei may be obliged to skip updating its Mate series of premium phablets in 2021. However, the latest word is that this launch is back on. Then again, the 50 series' debuted might still come much later than usual.
https://www.notebookcheck.net/The-Huawei-Mate-50-is-not-cancelled-after-all-new-leak.546828.0.html