After writing something & finish with it , like a YouTube comment for example,the keyboared doesn't go away anyone knows how to fix that ?Note9 Android 10

The latest update ( one UI ) is nice and easy, but it took a lot of my note 8 essence,I can't use the split screenusing the camera is not as easy as beforecan't Customise the contact's notificationsthe gallery is very blandnever thought i'de say t...