# Unity SDK changelog

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

## Version 4.20.1 - released 2026-09-14

* SDK size optimization.

## Version 4.20.0 - released 2026-08-14

No changes in this version.

## Version 4.19.0 - released 2026-07-01

* Fixed privacy API for graceful handling.