You can now play in the beta branch the new free character Ashley (for both Brandon and Kaitlyn).
To enable beta branch: right click on the Love Bites entry in your library, choose Properties, and in the BETAS tab, click the drop-down menu and choose "beta".
To see the new content, you'll need to update the game, and start a new game from scratch (loading a previous save will cause crashes and bugs).
I've tested it several times but it's possible I might have missed something, so in that case let me know! :)
Enjoy the new free character!