iOS版本更新Release Notes

Organization of This Document

This document includes the following articles:

• “iOS 6.1” describes the new and updated features in iOS 6.1.

• iOS 6.1 API Diffs

• “iOS 6.0” describes the new and updated features in iOS 6.0.

• iOS 6.0 API Diffs.

• “iOS 5.1” describes the new and updated features in iOS 5.1.

• iOS 5.1 API Diffs.

• “iOS 5.0” describes the new and updated features in iOS 5.0.

• iOS 5.0 API Diffs.

• “iOS 4.3” describes the new and updated features in iOS 4.3.

• iOS 4.3 API Diffs.

• “iOS 4.2” describes the new and updated features in iOS 4.2.

• iOS 4.2 API Diffs.

• “iOS 4.1” describes the new and updated features in iOS 4.1.

• iOS 4.1 API Diffs.

• “iOS 4.0” describes the new and updated features in iOS 4.0.

•  iOS 4.0 API Diffs.