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SDK for iOS updates

Last Updated: May 27, 2021

This topic describes the update history of Alibaba Cloud Public DNS SDK for iOS.

Latest version of SDK for iOS: V2.0.0

April 2021

Operating system/Language

Version

Release date

Updated description

iOS

2.0.0

2021-04-15

  • The user authentication feature is added.

  • The information collection feature is added.

  • Some features are optimized.

March 2021

Operating system/Language

Version

Release date

Updated description

iOS

1.1.8

2021-03-04

  • The delay reporting feature is added to improve the accuracy of IP preference.

  • Some features are optimized.

January 2021

Operating system/Language

Version

Release date

Updated description

iOS

1.1.7

2021-01-20

  • Data in different networks can be separately cached.

  • The maximum time-to-live (TTL) can be set.

  • Some features are optimized.

January 2021

Operating system/Language

Version

Release date

Updated description

iOS

1.1.6

2021-01-08

  • The maximum TTL for negative caching can be set.

  • Socket-based connection speed testing for IP addresses is supported.

  • Speed testing modes can be selected.

  • Exception processing is supported.

November 2020

Operating system/Language

Version

Release date

Updated description

iOS

1.1.1

2020-11-27

  • The callback time of the pre-parsing method is optimized.

  • The process of fixing IP address detection failures is modified.

iOS

1.1.0

2020-11-20

  • The caching feature is added.

  • Negative caching is supported.

  • The IP preference feature is added.

  • The internal logic of the SDK is optimized.

August 2020

Operating system/Language

Version

Release date

Updated description

iOS

1.0.0

2020-08-28

  • The SDK is released for the first time to implement domain name resolution.

  • DNS requests are directly sent to the public DNS server of Alibaba Cloud, bypassing local DNS servers of the Internet service provider (ISP). This prevents domain name hijacking and inaccurate scheduling caused by local DNS servers.