Here are the release notes:
Python Version 1.5.3
=============================
- We've removed the limit on the size of blob uploads using the Blobstore API.
- You can now send emails with any attachment extension that is not included on
the email attachment extension blacklist.
- Added a db.get_indexes() method to retrieve an application's indexes and
their corresponding states.
- The Datastore Admin functionality can now be enabled directly in the Admin
Console.
- Added a set_default_fetch_deadline to the URLFetch API which sets the
URLFetch deadline globally.
- Fixed an issue where the dev_appserver did not respect a new
task_retry_limit.
- Fixed an issue in the Channel API where jsapi was not served with the correct
mime type.
- Fixed an issue that broke use_library when the Python SDK was located in a
directory that contained the word 'django'.
- Fixed an issue where blobs could not be uploaded using HTTPS.
- Fixed an issue where GQL didn't allow querying for valid kind names
containing '.', '-', and ':' by supporting quoted identifiers.
http://code.google.com/p/googleappengine/issues/detail?id=2584
Java Version 1.5.3
=============
- We've removed the limit on the size of blob uploads using the Blobstore API.
- You can now send emails with any attachment extension that is not included on
the email attachment extension blacklist.
- Added a getIndexes() method to the DatastoreService to retrieve an
application's indexes and their corresponding states.
- The Datastore Admin functionality can now be enabled directly in the Admin
Console.
- You can now use Remote API to access the services of one App Engine
application from a different App Engine application.
- AppCfg now supports download_app, which will download all files that were
uploaded from your war directory.
- The Java OAuth API now allows you to specify a custom OAuth scope.
- The Java Testing APIs now default to UTC if no timezone is specified.
- Fixed an issue in the Channel API where jsapi was not served with the correct
mime type.
- Fixed an issue where blobs could not be uploaded using HTTPS.
- Fixed an issue where the -V (version) and -A (application) flags did not work
with AppCfg.
- Fixed an issue where GQL didn't allow querying for valid kind names
containing '.', '-', and ':' by supporting quoted identifiers.
http://code.google.com/p/googleappengine/issues/detail?id=2584
Happy testing.