---
title: "iOS & iPadOS 18.6 Release Notes"
framework: "iOS & iPadOS Release Notes"
role: article
role_heading: Article
path: ios-ipados-release-notes/ios-ipados-18_6-release-notes
---

# iOS & iPadOS 18.6 Release Notes

Update your apps to use new features, and test your apps against API changes.

## Overview

Overview The iOS & iPadOS 18.5 SDK provides support to develop apps for iPhone and iPad running iOS & iPadOS 18.6. The SDK comes bundled with Xcode 16.4, available from the Mac App Store. For information on the compatibility requirements for Xcode 16.4, see Xcode 16.4 Release Notes. HealthKit Known Issues Health data becomes inaccessible when you reach the “slide to power off” page on an iPhone or iPad without a passcode.  (154706523) Workaround: Add a passcode or reboot the device.

## See Also

### iOS & iPadOS 18

- [iOS & iPadOS 18.5 Release Notes](ios-ipados-release-notes/ios-ipados-18_5-release-notes.md)
- [iOS & iPadOS 18.4 Release Notes](ios-ipados-release-notes/ios-ipados-18_4-release-notes.md)
- [iOS & iPadOS 18.3 Release Notes](ios-ipados-release-notes/ios-ipados-18_3-release-notes.md)
- [iOS & iPadOS 18.2 Release Notes](ios-ipados-release-notes/ios-ipados-18_2-release-notes.md)
- [iOS & iPadOS 18.1 Release Notes](ios-ipados-release-notes/ios-ipados-18_1-release-notes.md)
- [iOS & iPadOS 18 Release Notes](ios-ipados-release-notes/ios-ipados-18-release-notes.md)