0.9.2 -> 0.9.3
Highlights:
* New save autodetection and save file format
* Full rerecording support

General/Core:
bug: fix many 64 bit and endian issues
bug: fix mic input, which was nearly useless before
bug: fix failures of large dmas
bug: fix in ipc sync which broke devkitpro touch
bug: screenshots now exclude hud and rotation
bug: rewritten vram mapping (fixes corrupted or missing BG)
enh: cheats: added Action Replay code parser
enh: more reliable and useful frameskipping
enh: SPU: speedup: add adpcm caching
enh: SPU: speedup: interpolation is now optional

Graphics:
bug: add polygon y-sorting (fixes 3d guis)
bug: fix texcoordgen mode 3; fixes some ortho sprites and some entirely broken games
bug: display capture fixes
bug: fix a number of OBJ modes
bug: fixes to affine BG modes
bug: more correct handling of color effect windows and backdrop colors
bug: fix matrix stack overrun which crashed emulator
enh: add alternate flush mode, fixes some entirely broken 3d games

Windows:
bug: more robust cheats engine and dialog
enh: more solid avi and wav recording
enh: improved tools: memory viewer
enh: added tools: spu viewer, ram watch, ram search
enh: change build configuration system
enh: speedup: add gpu core disabling to hide useless screens

Gtk frontend:
enh: switch all of menu/toolbar system to GtkAction + GtkUIManager
enh: remove the gtglext 3d code
enh: improve/speedup screen resize and final presentation logic in gtk frontend
enh: minimal rerecording hookups

Cli frontend:
enh: hooked the frameskip (szigor)
enh: misc usability improvements: auto pause switch for pausing when focus is lost and exit on escape pressing (szigor)

http://sourceforge.net/project/downloading.php?group_id=164579&filename=desmume-0.9.3-win32.zip&a=7399509

Desmume 0.9.3 does not exist. It was sneaked out of our staging area. It has bugs, which is why we hadn't released it yet. So we decided not to release it at all. Any release claiming to be 0.9.3 wont be supported.