<!--
{
  "documentType" : "article",
  "framework" : "iOS iPadOS Release Notes",
  "identifier" : "/documentation/iOS-iPadOS-Release-Notes/ios-ipados-13_3_1-release-notes",
  "metadataVersion" : "0.1.0",
  "role" : "article",
  "title" : "iOS & iPadOS 13.3.1 Release Notes"
}
-->

# iOS & iPadOS 13.3.1 Release Notes

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

## Discussion

The iOS & iPadOS 13.3.1 SDK provides support for developing apps for iPhone, iPad, and iPod touch devices running iOS & iPadOS 13.3.1. The SDK comes bundled with Xcode 11.3 available from the Mac App Store. For information on the compatibility requirements for Xcode 11.3, see <doc://com.apple.documentation/documentation/Xcode-Release-Notes/xcode-11_3-release-notes>.

### General

#### Known Issues

- UI tests using the XCTest framework are currently unable to interact with embedded web views (<doc://com.apple.documentation/documentation/UIKit/UIWebView>, <doc://com.apple.documentation/documentation/WebKit/WKWebView>, <doc://com.apple.documentation/documentation/SafariServices/SFSafariViewController> and <doc://com.apple.documentation/documentation/AuthenticationServices/ASWebAuthenticationSession>) inside of apps. (58576627)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)