Last year's Mate 20 featured a waterdrop notch, with the Pro getting a larger cutout to house all of the sensors. This year, both devices will feature same sized notch, narrower than the Mate 20 Pro.
Huawei mate 30 RSS
A Huawei official in Malaysia has confirmed that the upcoming Mate 30 series will be unveiled sometime in September or October. The device is expected to have an upgraded SoC and more cameras.