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# SKAdNetwork 1 release notes

A version of SKAdNetwork available in iOS 11.3 and later.

## Discussion

You’re eligible to receive a version 1.0 postback when any of these conditions are met:

- The source app uses iOS 13.7 SDK or earlier.
- The advertised app is App Store-signed and running on a device with iOS 14 or earlier.

The original install-validation postback doesn’t include a version number. For more information, see [Combining parameters for previous SKAdNetwork postback versions](/documentation/StoreKit/combining-parameters-for-previous-skadnetwork-postback-versions).

When verifying an install-validation postback for version 1.0, use the following Apple P-192 public key:

```
MEkwEwYHKoZIzj0CAQYIKoZIzj0DAQEDMgAEMyHD625uvsmGq4C43cQ9BnfN2xslVT5V1nOmAMP6qaRRUll3PB1JYmgSm+62sosG
```

For more information, see [Verifying an install-validation postback](/documentation/StoreKit/verifying-an-install-validation-postback).

### New features

This is the original version of SKAdNetwork.

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