Here are the primary changes in the library from the 4/27 update that just went live. This week is mainly fixes as we prepare a new infrared drop for next week.
IP
Denon Receivers: Revised RETURN command to work properly on newer receivers.
Samsung TVs: Added GUIDE command.
TiVo DVRs: Added ZOOM command for both Series 3/4 and Virgin variations.
Yamaha Receivers: Added 9 Channel Stereo mode for 2011 models.
Serial
LG TVs: Many new commands and changed commands.
To force your copy of Roomie to update right away, force quit Roomie by tapping the Home button, then double-tap Home to bring up the application bar, tap and hold the Roomie icon until a red minus sign appears, and then tap that sign. The next time you run Roomie, the library will automatically update.