Hi [USER] these warning messages correspond to the respective plugins/packages, that use a deprecated api, The right place to report these warnings would be in their respective repositories.

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if you feel the error is caused due to the issue in the framework feel free to file a new issue with exact details and steps to reproduce the issue.

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The number of supported devices depends on your application targetting the min SDK version.

Closing, As this doesn't seem to describe a bug or a feature request in the flutter framework, If you disagree feel free to write in the comments and I will reopen it.

Thank you.