Effective in 2026, to align with our trunk stable development model and ensure platform stability for the ecosystem, we will publish source code to AOSP in Q2 and Q4. For building and contributing to AOSP, use android-latest-release. The android-latest-release manifest branch will always reference the most recent release pushed to AOSP. For more information, see Changes to AOSP.

Android Compatibility Definition Document (Preview)

The next Android Compatibility Definition Document (CDD) is under development. For the current version of the CDD, see Android Compatibility Definition Document.

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Last updated 2026-06-26 UTC.

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Android Compatibility Definition Document (Preview)