BlueMSX 2.8.3 Beta is released. The blueMSX MSX emulator is approaching its third anniversary and in this short time it has established itself as the most advanced and feature rich MSX emulator. It supports most common machines and a wide variety of extension hardware. A feature rich debugger is also included in the emulator.During the last two years, the MSX emulation has been extended and support for other systems have been added. blueMSX is now also an SVI emulator, and supports the ColecoVision and Sega SG-1000, SC-3000, SF-7000 consoles.

BlueMSX 2.8.3 Beta changelog:
- added support for smooth rewind of emulation (check hotkey in shortcut editor)
- added support for ColecoVision Super Action Controller
- added support for ColecoVision Super Expansion Module hardware
- added support for ColecoVision Expansion Module #2 using mouse
- added support for Parallax ARC cartridge
- added support for stereo PSG in MSX machine configuration
- fixed critical bug that caused trainer and cheats to fail as well as memory writes in the debugger
when any of the following languages were selected : Catalan – Chinese Simplified – Chinese Traditional – Dutch – Finnish – Russian
- fixed bug in handling of transparent sprites
- fixed ARTRAGs VDP command engine bug
- fixed ‘no frequency’ bug in SN76489 emulation
- fixed minor bug in Beer IDE emulation

Download: BlueMSX 2.8.3 Beta
Source: Here