App Engine standard environment for Go 1.12+ release notes

Support for the Go 1.27 runtime is in General Availability (GA).

Support for the Go 1.27 runtime is in Preview.

Starting from Go runtime version 1.26 and later, the lifecycle support dates align more closely with the Go community release cycle. For more information, see Runtime support schedule.

You can migrate your App Engine push queues to Cloud Tasks by updating the bundled services SDK. This method lets you upgrade your app without needing to modify your application code. For more information on how to migrate, see the push queues migration guide (Preview).

To improve security, starting in August 2026, App Engine opts your application into TLS version 1.2 and later. You can opt out until the end of August 2026. Starting in September 2026, App Engine might permanently block insecure traffic with TLS version 1.1 and earlier. For more information, see Secure minimum TLS.

Support for enabling only needed legacy bundled services using the app_engine_bundled_services field is in General Availability.

App Engine supports Direct VPC egress in Preview. Direct VPC egress lets your workloads access VPC network resources as a simpler, more cost-effective alternative to Serverless VPC Access connectors.

Enable only needed legacy bundled services using the app_engine_bundled_services field for improved security and maintainability of your applications (Preview).

The App Engine Migration hub lets you migrate services in the App Engine standard environment to Cloud Run, and also provides cost-saving recommendations. For more information, see Deploy an App Engine app in the standard environment to Cloud Run (Preview).