The monthly Drupal core bug fix release window is scheduled for this Wednesday. However, the last bug fix release was a month ago, and there haven't been enough changes to the development version since then to warrant a new release.
During development, it's useful to quickly find information about form elements. Quickly is the key word here, and adding a dpm in a hook_form_alter then removing it becomes tedious.
Entity References are cool. Prepopulating them is even cooler. You've seen it already, but if you are not working with Field API, you're on your own... until now, at least.
When you build Android app for an existing Drupal website which allows it's users to login using their social media account, it is important to include such features in your app as well.