Note: Go 1.11 has reached end of support on January 30, 2024. Your existing Go 1.11 applications will continue to run and receive traffic. However, App Engine might block re-deployment of applications that use runtimes after their end of support date. We recommend that you migrate to the latest supported version of Go.

Migrating to the gcloud CLI

The standalone App Engine SDK was deprecated as of July 30, 2019, and it is now shut down. The following table lists features and their recommended alternatives:

Deprecated	Recommended action
standalone App Engine SDK	Download Google Cloud CLI
Access App Engine legacy APIs using the App Engine SDK	Migrate to an unbundled Google Cloud or third-party service, or access bundled services using the App Engine services SDK if you are using a second-generation runtime
`appcfg` commands	Migrate from AppCfg to gcloud command line

Migration timetable

July 30, 2019: The standalone App Engine SDK-based tooling is deprecated.

August 30, 2020: The standalone App Engine SDK is not available for download and might not work, if used.

August 30, 2020: Google shut down and removed support for the standalone App Engine SDK.