Your app, [Construct2 App] has not enabled the migration for the July 2013 Breaking Changes.
Once you have confirmed your app is compliant or unaffected by the July 2013 Breaking Changes, set the migration setting to "Enabled" in the Advanced section of the App Dashboard. This will apply the July 2013 Breaking Changes to your app and prevent you from receiving future alerts about these changes.
[Construct2 App], is currently using the following deprecated features:
The publish_checkins extended permission.
These changes will be permanently enabled for all apps in 23 days on Wednesday, July 10, 2013.
I'm not really sure what this means, but I'm guessing "publish_checkins" is what Construct 2 games use to publish game scores to Facebook timelines (correct me if I'm wrong). Apparently we are required to replace this with the "Open Graph" story thing. When can we expect Construct 2 to have this feature, or is there a way to do it ourselves?