App Engine Flexible Environment .NET Adopts Cloud SQL Auth Proxy v2
Google's App Engine flexible environment for .NET will integrate Cloud SQL Auth Proxy v2 as a built-in sidecar container for Cloud SQL connections. This change, effective August 2026, aims to deliver modern security patches and support for MySQL 8.4 and later versions. Developers can receive the updated proxy immediately by restarting their VMs or deploying a new version of their application. This update affects all App Engine flexible environment .NET users connecting to Cloud SQL.
Features (1) ›
- App Engine flexible environment .NET
Starting from August 2026, to provide modern security patches and support for MySQL 8.4 and later, the App Engine flexible environment uses Cloud SQL Auth Proxy v2 as the built-in sidecar container for connections to Cloud SQL. To use the latest Cloud SQL Auth Proxy container immediately, restart your VMs or deploy a new version of your application.
https://docs.cloud.google.com/release-notes#August_20_2026
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