adjust/unity_sdk v4.21.0

Version 4.21.0

on GitHub

Added

• Added support for signature library as a plugin.
• Added more aggressive sending retry logic for install session package.
• Added additional parameters to ad_revenue package payload.

Changed

• Built this SDK version with Unity 2017.4.1.

Native versions:

• iOS@v4.21.0
• Android@v4.21.0
• Windows@v4.17.0

Pull Request #170