Apple has released iOS 17.2.1, an incremental update focused on bug fixes and patches, following the release of iOS 17.2.

The update includes security fixes, patches, and over a dozen new features, including the Journal app, Contact Key Verification, and Live Stickers for messaging reactions.

Journal: An all-new app for capturing and reflecting on life's moments through entries, photos, and audio recordings.

Action button customization: The ability to add an Action button for specific apps to the Lock Screen for quick access to frequently used functions.

Camera enhancements: Pro mode refinements for the iPhone 14 Pro and 14 Pro Max, including adjustments for shutter speed, ISO, and exposure compensation.

AirDrop improvements: Expanded contact sharing options and the ability to share boarding passes, movie tickets, and other eligible passes easily.

Siri voice access for Health data: Use your voice to privately access and log data from the Health app.

The home key app can now support matter lock

Add sticker option: In the context menu lets you add a sticker directly to a bubble.

Catch-up arrow: Lets you easily jump to your first unread message in a conversation.