# Android SDK changelog

> Track versioned releases and updates for the Unity Ads Android SDK.

## Version 4.19.0 - released 2026-06-23

* Upgraded Kotlin to 2.1.x.
* Fixed bugs and added stability improvements.

> **Important:**
>
> Direct integration publishers: Refer to the Unity Ads 4.19.0 Android API reference for [Java and Kotlin](/ads-android/4.19.0/sdk-integration/api/android-api.md) deprecated APIs.