New BUG on Android 10

Today i found out my whatsapp won't alert me any message unless i open the app.
Checked my notification settings, battery optimization off.
Weird... Please help
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Today i found out my whatsapp won't alert me any message unless i open the app.
Checked my notification settings, battery optimization off.
Weird... Please help
Comments
Another BUG to add
I use Galaxy Watch pair with my ROG 2.
Ever since update to A10,the Bluetooth logo didn't show connected sign. It just show Bluetooth ON.
Total BUG so far i face is
-Chrome Freeze
-notification issue. No notification unless i open the app.(turned off optimization,all notification ON) especially whatsapp which is very important
-Silent notification (i didn't use Do Not Disturb mode)
-notification bar long tap(after long tap and enter to the settings,the notification bar will still appear
-FB app close video will have fading lag(i tried reinstall but problem is back)
Yeah this is happening with me too.
Update
Reset network settings,the Bluetooth bug all solved