1. This update includes compatibility files for the Mac port of Prey (meaning PC users can play against Mac users and vice versa).
2. There are no bug fixes or new content in this release.
3. This release is backwards compatible with Prey 1.2 multiplayer.
4. There are new server files available. Windows versions come with the patch, Linux versions are available separately.
5. In order for a Mac user to play on a PC pure server, the server they are on must have the v1.3 server files.