Pop-up window on whatsapp no longer available on Huawei phone since update to Android 10?

Pop-up window on whatsapp no longer available on Huawei phone since update to Android 10?

Open WA, then click on the three dots at the top right, select settings, select notifications.

Here you will find the settings which tones for which messages and whether pop-ups should appear or not.

That should be it.