# News: LINE SDK for iOS version 3.1.9 released

LINE SDK for iOS version 3.1.9 released

The LINE SDK for iOS has been updated to version 3.1.9. You can download it from the LINE SDK archives on the following page:

Resources - Download LINE SDK


  • Can no longer be used with iOS 4.9 and lower.
  • Removed the JSONKit dependency; NSJSONSerialization will be used instead.
  • Fixed the bug where the SDK crashes when the refresh token is null.

We received a lot of feedback about the SDK crashing when using JSONKit in a 64-bit environment so we decided to remove the JSONKit dependency.

We will continue to provide improvements so that developers can code more easily.