- PSX: Fixed various inaccuracies in the SPU reverb emulation code - PSX: Fixed quasi-benign dereferencing of a null pointer in the GPU code when playing a PSF - SNES-Faust: Fixed a crash when an MSU1-enabled game tried to play MSU1 audio but no audio tracks existed - SNES-Faust: Only create MSU1 multithreaded audio reader object if at least one audio track is available - SNES-Faust: Fixed a design flaw in the MSU1 audio track loading code that broke loading of audio tracks when the game's filename included a "%" character - SS: Fixed compilation errors after configuring with --disable-debugger - SS: Fixed compilation errors with clang

- Added proper Sam Coupe screen mode #3 display - Added handling of cases where .SAD disk image has .DSK extension - Added internal menu options for saving .SAD disk images - Added support for more raw disk image formats - Added simple CPU-based linear scaling algorithm - Added -linear command line option - Now disabling all trapdoor-based devices in Sam Coupe mode - Fixed reset when replacing disk image with LoadFile() - Fixed auto-loading disk images in Spectrum +3 mode - Fixed palette updates when rewinding in Sam Coupe mode - Fixed light pen port, assuming no light pen for now - Fixed SAA1099 PSG sound - Added Speccy-Windows options for saving .SAD disk images

Emulation fixes: - GB Audio: Fix initial sweep state - GB Audio: Fix deserializing audio channels 2 and 3 - GB Audio: Fix deserializing while audio was disabled - GB Video: Fix drawing background when window is force-disabled by frontend - GB, GBA Video: Copy disable flags when drawing scanlines in proxy when not blocking - GBA Audio: Fix deserializing SOUNDCNT_L - GBA Audio: Fix stereo in XQ audio - GBA Audio: Fix volume/mute in XQ audio - GBA Hardware: Fix GB Player detection on big endian platforms - GBA Video: Invalidate map cache when modifying BGCNT - GBA Video: Don’t draw sprites using unmapped VRAM in GL renderer - GBA Video: Fix rare regression blending semitransparent sprites - GBA Video: Do not affect OBJ pixel priority when writing OBJWIN - GBA Video: Fix deferred blending when OBJWIN matches window - GBA Video: Fix mode 4 transparency in OpenGL Other fixes: - 3DS: Redo video sync to be more precise - 3DS: Fix crash with libctru 2.0 when exiting - ARM Decoder: Fix decoding pre-indexed writeback instructions - Core: Fix reported ROM size when a fixed buffer size is used - Core: Fix memory leak loading ELF files - GBA: Disable more checks when loading GS save with checks disabled - GBA: Fix endianness issues in renderer proxy - GBA Core: Fix memory leak when loading symbols - GBA Serialize: Ensure program counter is aligned when loading - Qt: Add dummy English translation file - Qt: Fix Battle Chip view not displaying chips on some DPI settings - Qt: Fix camera image being upside-down sometimes - Qt: Fix drawing on macOS break when using OpenGL - Qt: Fix stride changing when toggling SGB borders - Qt: Fix aliasing on background logo - mGUI: Fix closing down a game if an exit is signalled - mGUI: Fix cycling through config setting states with accept button - mVL: Fix injecting accidentally draining non-injection buffer - VFS: Fix directory node listing on some filesystems Misc: - GBA Video: Improve speed of window texture generation on AMD - Vita: Clear both buffers when loading a game

- filesys viewer: supports deeply nested/compressed/encrypted filesystems - filesys viewer: allows to browse into dozens of compressed/archive filetypes - filesys viewer: added file/folder/archive/device icons, added save-as button - filesys viewer: auto-mounts child archives when expanding treeview items - filesys viewer: detects about 150 different filetypes - nds/help: file formats for sound, 2d/3d-video, message, manuals - 3ds/help: file formats for sound, 3d-video, message, mpo, cro0/crr0, config - compression/help: specs for Yaz0, ASH0, ALZ1, zip compression - archive/help: specs for arcless, narcless, sarc, zar, encrypted arika archives - gba/eeprom: ignores non-DMA access (Tomato Adventure) - gba/eeprom: avoids crash by stripping upper 4bit of 14bit addresses - gba/debug: fixed nonsense warnings on jumps to 300xxxxh (caused by dsi mapper) - dsi/ndma: gxfifo ndma mode support, fixed ndma ctrl bits in iomap - 3ds/help: MCU: added missing IRQ 26,27,28,29 and IRQ 18,19,20,21 - 3ds/help: added aes keyslot summary - 3ds/help: specs for partitions, cleanup for FIRM encryption chapter - 3ds/help: confirmed GBA footer format - debug: fixed lost data/stack/regs window focus after emulation run

- Refactored scaling and special effects framework - Optimized scaling for large screens and windows - Added simple CPU-based linear scaling algorithm - Added file drag'n'drop support to iNES-Windows - Added -linear command line option to iNES-Linux - Added "Video | Interpolate Video | Linear Scaling" option to iNES-Windows - Enabled "Video | Stretch Full Screen" option with effects enabled - Enabled "Video | Force 4:3 Screen" option with effects enabled

- Added adjustable autofire - Added 'Dark' UI theme - Extended global hotkeys for debug options - Added option to playback a game using the Time Machine - Allow taking snapshots from within the Time Machine dialog - Added the ability to access most files that Stella uses from within a ZIP file. This includes the following - Per-ROM properties file (so one can distribute a ROM and its associated properties) - Debugger symbol (.sym) and list (.lst) files, etc - Several others, as we extend the support Basically, you are now able to put many files that Stella uses inside one ZIP file, and distribute just that file - Extended AtariVox support to handle flow control, so that long phrases are no longer corrupted/cut off. This includes properly supporting the 2600-daptor II, which is flashable to an AVox-USB converter - Added auto-detection of the serial port used for an AtariVox-USB adaptor - Added QuadTari controller support - Added option to select the audio device - Added support for CDFJ+ bankswitching type - Further enhanced UA bankswitching to support more Brazilian carts - Added option to display detected settings info when a ROM is loaded - Added another oddball TIA glitch option for delayed background color - Added option to disable aspect ratio correct scaling - Added debugger pseudo-registers '_timwrapread' and '_timwrapwrite', which are set when the RIOT timer is read/written on timer wraparound, respectively - Bankswitching schemes BUS, DPC+ and CDFx now work when startup bank randomization is enabled (these schemes now ignore that setting) - Replaced "Re-disassemble" with "Disassemble @ current line" in debugger - Fixed bug when taking fullscreen snapshots; the dimensions were sometimes cut off