iOS 16 brought a new default view of notifications in a stack. If you’d like to bring back the old view go to Settings > Notifications and select "List".
If you want notifications to be as small as possible select "Count".
How to Customize notifications on your lock screen
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Enable the one-handed keyboard from the globe icon
Touch and hold the globe to pick the left or right one-handed keyboard for easier thumb typing.
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9 More Hidden iPhone Features and Tricks
Additional iPhone tips including flashlight shortcuts, three-finger gestures, website PDF export, and one-handed keyboard