https://techcrunch.com/2022/03/17/google-launches-android-13-developer-preview-2-psuh-notifications-opt-in/

Android development these days runs on a monthly cadence, so it’s no surprise that about a month after Google announced the first developer preview of Android 13 (codenamed ‘Tiramisu,’ as Google occasionally calls it in its developer documentation) it has now launched the second developer preview.

These previews typically still have a lot of rough edges and are meant for developers, so like with the first preview, there is no over-the-air installation option (though if you installed the first preview, you will get the second as an over-the-air update). Google has made system images available for the Pixel 6 Pro, Pixel 6, Pixel 5a 5G, Pixel 5, Pixel 4a (5G), Pixel 4a, Pixel 4 XL, and Pixel 4, as well as the Android Emulator.