BizHawk Changelog

May 1, 2026

New Cores

• • Experimental PPSSPP core for PlayStation Portable

Core Updates

• • Ares64: basic SC64 SD card interface, analog keybinds for sticks, Hex Editor system bus fix
• • BSNES: updated to latest upstream
• • DOSBox-X: mouse position calibration, CD audio/data fixes, Piano Roll keyboard display, CUE compatibility
• • DSDA-Doom: new Lua callbacks (on_prandom, on_use, on_cross, on_intercept), multitrack recording, Boom demo imports, Cyrillic path fix
• • melonDS: restored System Bus memory read, fixed Lua event passing
• • NesHawk: DMC DMA bus conflicts, FDS registers and OAM buffer, cartridge-specific graphics corruption fixes
• • Nymashock: restored PSX rumble

TAStudio & EmuHawk

• • Multitrack recording, axis editing improvements, Settings dialog
• • Fixed cheat saving, mouse locking, Hex Editor RAM freezing
• • Fixed analog Weapon Selection (known issue from 2.11)
• • Windows-side --help CLI flag now works for EmuHawk.exe

BizHawk 2.11

September 20, 2025

New Emulator Cores

• • DSDA-Doom for Doom / Heretic / Hexen
• Known issue: Analog Weapon Selection does not work (fixed in 2.11.1)
• • DOSBox-X for DOS and early Windows software
• • Opera core for 3DO

Improvements

• • Numerous updates and bug fixes across existing cores
• • EmuHawk stability and usability improvements

BizHawk 2.10

January 7, 2025

New Cores

• • Encore (Citra fork) for Nintendo 3DS
• • PUAE / UAE for Commodore Amiga
• • Stella for Atari 2600
• • ChannelFHawk for Fairchild Channel F

Core Updates

• • Genesis-Plus-GX updated
• • QuickNES renamed and updated to quickerNES
• • General fixes and maintenance across many systems

BizHawk 2.10 Release Candidates

RC2 - November 26, 2024 | RC1 - September 14, 2024

Final testing builds for 2.10

• • Fully functional Encore (3DS) and ChannelFHawk
• • New WIP cores: PUAE and Stella

Focus on Regression Testing

• • TAStudio
• • Lua scripting
• • TAS workflow reliability

BizHawk 2.9.1

April 7, 2023

• • Fixed crashes affecting MAME and several other cores
• • EmuHawk stability improvements
• • General bug fixes

BizHawk 2.9

March 16, 2023

New Cores

• • MAME (arcade-only integration)
• • Ares64
• • VirtualJaguar
• • TIC-80
• • SubBSNES v115+

Major Changes

• • Significant core accuracy improvements
• • EmuHawk enhancements
• • Foundation for RetroAchievements support

BizHawk 2.9 Release Candidates

December 2022

Key Features Introduced

• • Ares64 graduated from experimental (including N64DD)
• • Atari Jaguar & Jaguar CD support
• • TIC-80 support
• • Subframe-capable BSNES
• • Satellaview emulation

Technical Changes

• • Lua engine completely replaced with KeraLua
• • Lua 5.2–5.4 features enabled (including integers)
• • First version with RetroAchievements integration

BizHawk 2.8

February 19, 2022

Core Promotions

• • BSNES v115+
• • MSXHawk graduated from experimental

New Cores

• • Game Boy / Game Boy Color
• • Nintendo 64
• • PlayStation
• • TI-83 calculator

BizHawk 2.7

November 12, 2021

• • melonDS core added (Nintendo DS)
• • Lua and BasicBot support ported to Linux

BizHawk 2.6.x

2021

2.6 - January 17, 2021

• • Odyssey² core officially released
• • Numerous core fixes
• • Separate Windows and Linux builds introduced

2.6.1 / 2.6.2 / 2.6.3

• • Major TAStudio fixes (including savestate corruption)
• • Core accuracy improvements
• • EmuHawk stability updates

BizHawk 2.5

August 30, 2020

• • Multiple new cores added
• • Large wave of bug fixes
• • Core and UI maintenance updates

BizHawk 2.4

January 18, 2020

• • Vectrex core officially released
• • Major bug fixes in Lua and TAStudio

BizHawk 2.3.x

2018–2019

Highlights

• • ZX Spectrum core added
• • GBHawk introduced (Game Boy / Game Boy Color)
• • GLideN64 plugin updated
• • mGBA core updates
• • Extensive tool performance improvements

BizHawk 2.2

2017

• • New Atari 7800 core
• • Major emulation accuracy improvements
• • Expanded Lua functionality
• • TAStudio enhancements

BizHawk 2.1

July 2017

New Cores

• • PC-FX
• • UzeBox
• • Sega 32X

Improvements

• • Super Game Boy emulation improvements
• • Lua and toolchain fixes

BizHawk 2.0

June 25, 2017

Major milestone release

• • Dropped support for pre-Windows 7
• • 64-bit only architecture
• • Multiple new cores
• • Large stability and performance overhaul

BizHawk 1.x

2016–early 2017

Key Developments

• • Commodore 64 support
• • Intellivision core introduced
• • SNES & PSX multitap support
• • Significant TAStudio evolution
• • Early Lua framework stabilization

BizHawk 1.0

Initial Release

• • First public release of BizHawk
• • Core multi-system TAS-focused emulator foundation