Raccoon v4.2.1 is a service release, fixing several issues with app updates.
Premium keys bought for v4.0.x remain valid and will carry over automatically. No user action is required.
- Don't download the latest version of an app over and over again, if old versions are kept.
- Don't choke during update if Play returns app details that were not requested.
- Don't choke during update if the database contains an incomplete record for an app.