Earlier Monday, Apple released the fourth beta of iOS 16 to developers. Numerous improvements and new features have been added to the Messages app,

Users with an iPhone 8 or later will be able to download OS 16 in September after it has been available in beta for developers and members of Apple's free public beta testing program since June.

Following today's release of the fourth developer beta of iOS 16, the second public beta of iOS 16 is expected to be made available next week.

A new feature in iMessage allows you to see the past versions of an updated message by tapping on the "Edited" label that appears beneath the bubble

Apple has launched ActivityKit in beta, allowing developers to begin testing the Live Activities feature on the Lock Screen in their apps on the iOS 16 beta.

Live Activities will deliver real-time glanceable information on the Lock Screen. A user of a sports app, for instance, could initiate a Live Activity in order to follow a live sports game.

According to Apple, Live Activities won't be available in iOS 16 at launch, but it will be available in a later update, maybe iOS 16.1. At that time, apps supporting Live Activities.

For a limited time, users of iOS 16's Mail app will be able to delete messages they've sent. In the first three betas, users had just 10 seconds to cancel an email before it was sent