Both the Unix and Windows version of MESS, the Multiple Emulator Super System have been updated to version 0.85. With MESS it is possible to emulate a wide range of homecomputers and consoles, including several MSX configurations. MESS is based on MAME, an arcade emulation system. All changes made to the core of MAME 0.85 apply to MESS. As far as MSX emulation is concerned no new features of fixes were added in this release.
Relevant link: MESS website