That's because you have to precisely move
your finger over the notification card, or else you may accidentally trigger the camera gesture (which works when you swipe anywhere on the lockscreen other than a notification).
Not exact matches
Aside from that, you can hover your
finger over the controls for a second to see more information, and you can drag your
finger outside of the Pie controls area, then let go to open your
notification panel.
Hovering the
finger over the fingerprint scanner inside the display will light up the screen, and you can check the
notifications.
For example, you can now reply to a text without even waking your phone by pressing on the
notification and then sliding your
finger over the option to take.
Hover
over the
notification bar and drag down with two
fingers — the
notification shade should appear.