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What shall I do for making my Xamarin project to be complaint with the new 16KB Google Play Rulec?

Xuan Peng 20 Reputation points
2025-10-14T14:56:54.8533333+00:00

We were asked to update our mobile app to be compliant with the new google play rule to support 16kb. However, our app is still on Xamarin and it was end of support last year. To make sure that we are still be able to release new version in the future, do we need to migrate our app to .NET 9 MAUI asap or we have some other ways to resolve it?

Developer technologies | .NET | Xamarin
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  1. Michael Le (WICLOUD CORPORATION) 3,585 Reputation points Microsoft External Staff
    2025-10-15T03:14:18.03+00:00

    Hello @Xuan Peng ,

    Thank you for reaching out.

    Since Xamarin reached end-of-support in May 2024, there won't be any updates to address this requirement in the Xamarin toolchain.

    Microsoft provides comprehensive migration guides and tools to help transition from Xamarin.Forms to .NET MAUI. I'd recommend prioritizing this migration as Google's enforcement of the 16KB requirement will affect app submissions

    If you encounter specific issues during the migration, feel free to ask for help in the Microsoft Q&A MAUI forum or .NET MAUI GitHub discussions.

    I hope this helps. Please let me know if you need clarification on any of these points or have specific migration concerns.

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  1. Starry Night 600 Reputation points
    2025-10-15T06:12:17.4+00:00

    To ensure your app works correctly on the latest versions of Android, Google Play requires all apps targeting Android 15+ to support 16 KB memory page sizes. From Nov 1, 2025, if your app updates do not support 16 KB memory page sizes, you won’t be able to release these updates. For your app, you can follow document Upgrade from Xamarin to .NET to update your app to Maui. In fact, there isn't much difference between Xamarin and MAUI; most of the code is the same, so you don't need to worry about it.

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  2. Susmitha T (INFOSYS LIMITED) 910 Reputation points Microsoft External Staff
    2025-10-15T06:40:52.6233333+00:00

    Thanks for reaching out!

     

    You are aware of this upcoming change and have reviewed its impact on current Xamarin- based mobile application. Since Microsoft ended support for Xamarin last year and it won't receive the runtime updates required to meet the new google play rule, preparing to migrate the app to Microsoft's latest framework, .NET MAUI.

     

     Recommended Path: Migrate to .NET MAUI 9

     kindly check the migration guides: Upgrade from Xamarin to .NET - .NET MAUI | Microsoft Learn

     

    Let me know if you need any further help with this. We'll be happy to assist.

    If you find this helpful, please mark the response as "answered".

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