Apple has shipped iOS 26.5 beta 1 to developers, kicking off the testing cycle for its next incremental software update. The release carries build number 23F5043g and is available through the Apple Developer Program.

Apple today released iOS 26.4 and iPadOS 26.4, the latest updates to the iOS 26 and iPadOS 26 operating systems. The new software comes six weeks after Apple released iOS 26.3 and iPadOS 26.3. Subscribe to the MacRumors YouTube channel for more videos.

Apple routinely recommends that users keep their device software bang up to date. However, Apple is now sending unprecedented alert notifications to some iPhone users. Here’s what’s going on. The updates appear directly on the iPhone lock screen and within the Settings app, so you should see them easily enough.

Apple today seeded the first betas of upcoming iOS 26.5 and iPadOS 26.5 updates to developers for testing purposes, with the software coming a week after Apple released iOS 26.4 and iPadOS 26.4. Registered developers can download the betas from the Settings app on the iPhone or iPad by going to the General section and selecting Software Update.

Cisco has released patches for a dozen IOS and IOS XE vulnerabilities that could lead to DoS, secure boot bypass, and privilege escalation.