---
title: SKAdNetwork release notes
framework: storekit
role: collectionGroup
path: storekit/skadnetwork-release-notes
---

# SKAdNetwork release notes

Learn about the features in each SKAdNetwork version.

## Overview

Overview Use the most recent version of SKAdNetwork available. In version 2.0 and later, ad networks use a version number when signing ads. For StoreKit-rendered ads, you set the version number in the SKStoreProductParameterAdNetworkVersion parameter. For view-through ads, you set the version number in the version property. When you receive an install-validation postback, it contains the version number. Each version of SKAdNetwork has specific instructions for signing ads and validating the postback. Developers of advertised apps are eligible to receive copies of winning postbacks, versions 2 and later, if the participants meet the following conditions: The developer of the advertised app opts-in to receive postbacks. For instructions on opting-in, see Configuring an advertised app. The device is running iOS 15 or later.

## Topics

### SKAdNetwork versions

- [SKAdNetwork 4 release notes](storekit/skadnetwork-4-release-notes.md)
- [SKAdNetwork 3 release notes](storekit/skadnetwork-3-release-notes.md)
- [SKAdNetwork 2.2 release notes](storekit/skadnetwork-2-2-release-notes.md)
- [SKAdNetwork 2.1 release notes](storekit/skadnetwork-2-1-release-notes.md)
- [SKAdNetwork 2 release notes](storekit/skadnetwork-2-release-notes.md)
- [SKAdNetwork 1 release notes](storekit/skadnetwork-1-release-notes.md)

## See Also

### Essentials

- [Signing and providing ads](storekit/signing-and-providing-ads.md)
- [Receiving ad attributions and postbacks](storekit/receiving-ad-attributions-and-postbacks.md)
- [Receiving postbacks in multiple conversion windows](storekit/receiving-postbacks-in-multiple-conversion-windows.md)