You can download the latest version of the SDK here

Version 1.1.1 - July 24, 2008

• Fixed DELETE for URLFetch on dev_appserver.
• http://code.google.com/p/googleappengine/issues/detail?id=566
• Fixed PATH_INFO to be un-escaped version of the path.
• http://code.google.com/p/googleappengine/issues/detail?id=267
• http://code.google.com/p/googleappengine/issues/detail?id=457
• Fixed order function testing for property on Expando class.
• Support all mail attachment mime-types under Windows.
• Added support for date and time objects to GQL.
• http://code.google.com/p/googleappengine/issues/detail?id=318
• Fixed memcache KeyError problem.
• http://code.google.com/p/googleappengine/issues/detail?id=417
• Default URLFetch POST content-type is x-www-form-urlencoded.
• Fixed problems where global variables would be set to None when a request raised an exception or returned an error response.
• Added support for GIFs and JPEG using PIL.
• Added support for type conversion of literals to GQL.
• Added support for pickling Expando instances.
• http://code.google.com/p/googleappengine/issues/detail?id=545
• Added APPLICATION_ID environment variable to runtime.
• Added support for key_name to djangoforms.
• Added ability to put multiple transaction groups in one request outside of transactions.
• Added support for downloading request logs using appcfg.
• http://code.google.com/p/googleappengine/issues/detail?id=76
• Fixed DateProperty not supporting values before 1970 and beyond Jan. 19, 2038.
• http://code.google.com/p/googleappengine/issues/detail?id=352
• Set cap of 5000 indexed properties per entity.
• GoogleAppEngineLauncher now has context menus in the main project window.
• UI improvements to GoogleAppEngineLauncher preferences window.
• Fixed GoogleAppEngineLauncher broken symlink for bulk_uploadclient.

Version 1.1.0

• Added an API for image manipulation.
• http://code.google.com/p/googleappengine/issues/detail?id=38
• Added memcache API.
• Fixed urlfetch for urls with query strings.
• http://code.google.com/p/googleappengine/issues/detail?id=341
• http://code.google.com/p/googleappengine/issues/detail?id=346
• http://code.google.com/p/googleappengine/issues/detail?id=369
• Added support for multiple values for the same filter string.
• Fixed urlfetch's referer to now set itself to the application's hostname.
• Added --show_mail_body flag to dev_appserver.py
• Added support for IN and != to GQL.
• Fixed urlfetch to accept strings as well as constant integers.
• http://code.google.com/p/googleappengine/issues/detail?id=234
• Added CURRENT_VERSION_ID environment variable.
• Fixed uploading issues affecting @googlemail.com developers.
• http://code.google.com/p/googleappengine/issues/detail?id=119
• Fixed Datastore API to allow the assignment of [] to non-dynamic db attributes.
• http://code.google.com/p/googleappengine/issues/detail?id=276
• http://code.google.com/p/googleappengine/issues/detail?id=254
• Fixed NeedIndexError to include the index that the query needed.

Version 1.0.2

• Fixed UTC timezone issue on Windows.
• http://code.google.com/p/googleappengine/issues/detail?id=131
• Fixed webapp template cache bug.
• http://code.google.com/p/googleappengine/issues/detail?id=273
• URLFetch service redirect behavior now matches deployed behavior.
• http://code.google.com/p/googleappengine/issues/detail?id=84
• Better handling of bad HOMEDRIVE parameters on Windows.
• http://code.google.com/p/googleappengine/issues/detail?id=27
• Fixed HTTP response header termination.
• http://code.google.com/p/googleappengine/issues/detail?id=209
• Fixed behavior with source files that have Windows line-endings or missing line-endings.
• http://code.google.com/p/googleappengine/issues/detail?id=237
• http://code.google.com/p/googleappengine/issues/detail?id=258
• Fixed C-Extension module loading issues.
• http://code.google.com/p/googleappengine/issues/detail?id=95
• http://code.google.com/p/googleappengine/issues/detail?id=83
• Fixed Windows DLL extension loading issues.
• http://code.google.com/p/googleappengine/issues/detail?id=222
• Added missing os.uname function.
• http://code.google.com/p/googleappengine/issues/detail?id=186
• Windows installer can now over-install.
• http://code.google.com/p/googleappengine/issues/detail?id=241
• Windows installer now allows installation even if it can't find Python.
• http://code.google.com/p/googleappengine/issues/detail?id=5
• Fixed skip_files exception.
• http://code.google.com/p/googleappengine/issues/detail?id=80
• Better error handling for cookie-file related problems.
• User platform, SDK version, and Python version are now supplied to server-side on deployment; also supplied on dev_appserver start-up if the "nag" is enabled.

Version 1.0.1

• Fixed app.yaml static_dir attribute on Windows.
• Fixed uploading large files on OSX.
• Fixed recursion issue in webapp template rendering cache.
• Fixed MacPorts installation.