1) Light gun support for the Atari 7800 and 2600 drivers; in conjunction, 'slotification' of Atari 7800 controller input to allow mapping of Atari 2600 peripherals (I.E. Paddles).
2) AtariVox(+) support.
3) Improve Atari 5200 / Atari 8-bit computer video emulation.
4) Support for MegaCart ROMs under the ColecoVision driver and Super Game Module support.
5) Improve support for Atari consoles' color palette behavior (Select hue spacing of ~24.0-28.0 degrees apart).