Whatsapp keep closing automatically whenever I choose it to be opened

Why is the colour of the screen getting changed when recent tabs are opened or when app folder is maximized...please check the video attached Check the blue colour

Please bring the voice focus feature on s23 series on normal dialer calls which are available in A series and in S series only on whatsapp video calls what is this samsung...it is the best feature of all time...please bring it on S 23 series 

I am unable to send multiple Document files Throw what's up. it was possible 5 days ago but not now. Please fix this Issue as soon as possible ,my device is S23..

I have recently bought s23. I am really disappointed that the voice focus feature is not working in my phone and the bixby text call also not working. It is showing that The linked page doesn't exist in the Galaxy Store.Check with the link provider t...