A new release of mGBA, version 0.3.1, is available. This version is a bugfix release. An extensive list of changes follows after the cut.

Bugfixes:

ARM7: Fix instruction decoding of Thumb shifts

GBA: Deinit savegame when unloading a ROM

GBA: Fix BIOS check on big endian

GBA: Fix autodetect problems with some bad dumps of Super Mario Advance 2

GBA Audio: Fix 8-bit writes to audio channel 3 and 4 registers

GBA Audio: Fix audio channels being silenced at the wrong time

GBA Memory: Fix bad BIOS Load16 on big endian

GBA Memory: Fix bad Load8 on big endian

GBA Video: Start on the scanline BIOS finishes on if no BIOS is loaded

GBA Video: Fix edge case with sprite blend modes and semitransparency

GBA Video: Fix objwin and blending interaction on sprites

GBA Video: Fix OBJ semitransparency improperly interacting with other blending ops

Libretro: Fix a memory leak with the render buffer

Qt: Windows no longer spawn in the top left on first launch

Qt: Fix install path of XDG desktop file with DESTDIR

Qt: Fix drag and drop on Windows

Qt: Reenable double buffering, as disabling it broke some Windows configs

VFS: Fix return values of VFileFILE.read and .write

Misc:

All: Reset next event to cycles instead of zero to interrupt

All: Add –version flag

ARM7: Force disable LTO on two files to work around a GCC bug

GBA: Attempting to save a screenshot-style savestate should be allowed without libpng

GBA: Better memory handling with PNG savestates

GBA: Additional savestate sanity checks

GBA: Check for cycle count being too high

GBA Audio: Allow GBAAVStream to have no video callback

GBA BIOS: Implement RegisterRamReset for SIO registers

Qt: Remove useless help icons in dialogs

Qt: Prevent savestate window from opening while in multiplayer

Qt: Disable menu items in multiplayer that don’t make sense to have enabled

Qt: Dropping multiplayer windows works more cleanly now

Get it now in the Downloads section. Binaries are available for Windows, Ubuntu and OS X, and the source code is available for all other platforms.