Pricing and Quotas
Other resources
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    LocationsFor App Engine, the infrastructure that runs your apps is located in a specific region that Google manages. 
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    Feature deprecationsThe terms of service (section 7) define the deprecation policy that applies to App Engine. 
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    App Engine Service Level Agreement (SLA)Defines the terms of the SLA for App Engine. 
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    SLA error ratesDefines the App Engine error rates. 
Release Notes
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    Go release notesRelease notes for Go on the App Engine flexible environment. 
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    Java release notesRelease notes for Java on the App Engine flexible environment. 
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    .NET release notesRelease notes for .NET on the App Engine flexible environment. 
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    Node.js release notesRelease notes for Node.js on the App Engine flexible environment. 
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    PHP release notesRelease notes for PHP on the App Engine flexible environment. 
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    Python release notesRelease notes for Python on the App Engine flexible environment. 
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    Ruby release notesRelease notes for Ruby on the App Engine flexible environment. 
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    Custom Runtime release notesRelease notes for Custom Runtimes on the App Engine flexible environment.