0.9.0 - May 13, 2017This release is a beta - save states, movies, etc. created with this version may not be compatible with future versions of Mesen.New Features

• Rewind: Added a rewind functionality with reverse video and audio playback (up to several hours worth of gameplay can be rewinded.)
• UI: Added game selection screen
• Compatibility: Added support for mappers 29, 30, 111, 158 and 174.
• FDS: Added option to automatically switch disks.
• Video: Improvements to video scale management and corrected aspect ratio presets.
• Misc: Added a few other small features (Frame counter, game timer, 96kHz audio, etc.)

Bug Fixes

• Accuracy: Improvements to PPU, MMC5 and VRC6 emulation.
• FDS: Fixed issue with sound emulation (Fixes Bio Miracle).
• Overclocking: Improved compatibility with some games.
• Debugger: Fixed a number of bugs and crashes.
• Misc: Several other bug fixes.