Twitter has just announced the availability of custom timelines, a brand new type of timelime that allows developers to have more control regarding organization and delivery of Tweets on the Twitter platform. Twitter has also announced the launch of the Custom Timelines API which is in beta and available to a small group of developers selected and approved by Twitter.
Google's PaaS platform, AppEngine has been seeing consistent releases every month. The October release was different from the earlier one. In addition to the usual set of fixes and enhancements, the latest release 1.7.3 also sees support for new Java 7 Language features, while the Python 2.7 runtime now fully supports Django 1.4.