Fixes a sound bug that plays the previous sound from a CD-ROM game when you load up an SMS ROM.
Re-ordered region priority to US, JP, EU.
Added support for .32x extensions and 32X games.
(but some games like Virtual Fighter, Virtual Racing Deluxe cause the emulator to crash, just like the RetroArch versions)
Fixed ASM version of the 32X rendering routines to prevent crashing, and Blackthorne games.
Fixed the frame-rate bug that is not consistent with the frame-rate selected in the menu.
Enabled 32X / SVP dynarec when running in CIA mode and the necessary custom firmware is available.
Sets the default mapping for Sega MD's X, Y, Z buttons.
Fixed a read-ahead library bug that previous caused small ISO games to boot to the CD player.
Fixed minor sound emulation issues and improved sound sync.
Fixed YM2612 timer bug.
Implemented more aggressive optimzation of the YM2612 assembly emulation. Less skipping in some Old 3DS games.
Fixed playing PWM samples by deducting the DC offset of the waveform (CSND is unable to reliably play samples with a significant DC offset)

Added support to save battery-backed RAM for CD games
Fixed problems with games that show parts of the previous screens at the left/right edges
Added support for cheats.
Added configuration for region selection between (Default, US, Europe, Japan)