[this was posted to platform-update-dev, but may be of general interest]
This is a heads up ....
We are being asked by the lawyers to modify feature handling by the update manager to always ensure the features selected for installation or update include a click-through license text (ie. specify <license>click through text</license>). I have updated the packaging document to reflect this. We will be making this change for the next milestone build.
If you have features that you have been creating ("real" features, or test cases), you will need to ensure they specify license text in the feature.xml, or separated in feature.properties. Otherwise you will not be able to install them using the update manager support.
The packaging spec is
There is a defect opened to track this change