Once an App Engine feature has been officially deprecated, the feature continues to be available for at least the period of time defined in the terms of service. After this period of time, the feature or service will be scheduled for removal (turndown).
The following table lists current App Engine feature deprecations and the related turndown schedules.
| Feature (status) | Deprecated | Turndown Date | Details |
|---|---|---|---|
| Backend API (GA) | March 13, 2014 | TBD | |
| ClientLogin (GA) | April 20, 2012 | April 12, 2016 | Service Turndown Complete |
| Datastore Admin Copy Entities (Beta) | July 14, 2015 | February 2, 2016 | Service Turndown Complete |
| Datastore backups to Blobstore (Beta) | June 9, 2015 | October 1, 2015 | Service Turndown Complete |
| Django packaged libraries 1.2, 1.3 (GA) | July 14, 2015 | July 18, 2016 | Django 1.2, 1.3 Turndown |
| Files API (Beta) | June 12, 2013 | September 9, 2015 | Service Turndown Complete |
| Java 6 Support (GA) | July 14, 2015 | July 18, 2016 | Java 6 Turndown |
| Master/Slave Datastore (GA) | April 4, 2012 | July 6, 2015 | Service Turndown Complete |
| OAuth 1.0 Support (Alpha) | July 14, 2015 | November 10, 2015 | Service Turndown Complete |
| OpenID 2.0 Support (Alpha) | July 14, 2015 | February 23, 2016 | Service Turndown Complete |
| PageSpeed (Alpha) | May 6, 2015 | December 1, 2015 | Service Turndown Complete |
| Prospective Search API (Alpha) | July 14, 2015 | December 1, 2015 | Service Turndown Complete |
| Python 2.5 (GA) | March 8, 2013 | TBD |
