Changes

4.2.1

This was a bug-fix only release.

• Core-fetch failsafe now fetches a pinned version (Thanks to [@gantoine](https://github.com/n-at))
• Fixes video rotation on the arcade core (Thanks to [@allancoding](https://github.com/allancoding))
• Fixes switching between cores.
• Change: Localstorage settings are now stored by game instead of by system.
• Fixed gamepad input for c-down.
• Fixed RetroArch always assuming save is .srm.
• Fixed EJS exit event
• Hide the “save/load save files” buttons if unsupported.
• Corrects the order of the core list.
• Corrects behaviour of the placement of bios/parent/patch files.
• Fixed rar decompression.
• Fixed picodrive core (sega32x)
• Fixed libretro-uae core (amiga)

4.2.0 View Tree

In my opinion, this is the most stable release we’ve had in a while. Many features added in this release were just side affects of fixing up some bugs.

• Let same_cdi core handle zipped bios file directly (Thanks to [@pastisme](https://github.com/pastisme))
• Fix audio sliders/mute button (Thanks to [@n-at](https://github.com/n-at))
• Add ability to rotate video (Thanks to [@allancoding](https://github.com/allancoding))
• Added persian fa-AF language (Thanks to [@iits-reza](https://github.com/iits-reza))
• Added more catches for a start-game error
• Fixed default webgl2 option
• Organized settings menu, by dividing entries into sub-menus
• Fixed the EmulatorJS exit button
• Added the ability to internally add configurable retroarch.cfg variables
• Fixed default settings being saved to localstorage
• Fixed in browser SRM saves (finally)
• Read save state from WebAssembly Memory
• Fixed an issue when loading PPSSPP assets
• Refactored the internal downloadFile function to be promised based instead of callback based
• Added checks if core requires threads or webgl2
• Added ability to switch between cores in the settings menu
• Added the ability to enable/disable threads if SharedArrayBuffer is defined
• Added a PSP controller scheme for the control settings menu
• Fixed the volume slider background height in firefox
• Added handling for lightgun devices
• Refactored the EmulatorJS build-emulatorjs.sh build script
• Added ppsspp core

4.1.1 View Tree

• Fixed 2xScaleHQ and 2xScaleHQ shaders (Thanks to [@n-at](https://github.com/n-at))
• Added Vietnamese (vi-VN) (Thanks to [@TimKieu](https://github.com/TimKieu))
• Disable CUE generation for the PUAE core (Thanks to [@michael-j-green](https://github.com/michael-j-green))
• Updated German translation (Thanks to [@jonas0b1011001](https://github.com/jonas0b1011001))
• Add missing calls to translate (Thanks to [@angelmarfil](https://github.com/angelmarfil))
• Added Turkish (tr-TR) (Thanks to [@iGoodie](https://github.com/iGoodie))
• Fixed Gamepad support for some older browsers (Thanks to [@ZhaoTonggang](https://github.com/ZhaoTonggang))
• Default to webgl1 on lower end cores.
• Added ability to switch between webgl1 and webgl2.
• Check core compatibility with EmulatorJS.
• Added core license to right-click menu.
• Removed usage of replaceAll.
• Added the ability to change settings on game start crash.
• Added exit button, to properly shutdown and save files.
• Fixed mouse on mobile devices.
• Modularized EmulatorJS.
• Fixed WHLoader hdf roms.
• Added support for File objects (Thanks to [@pastisme](https://github.com/pastisme)).

4.0.12 View Tree

• Fix scroll bar css (Thanks to [@allancoding](https://github.com/allancoding))
• Flip the context menu instead of going off the page
• Add hooks for save files (Thanks to [@gantoine](https://github.com/gantoine))
• Add class for each virtual gamepad button
• Add EJS_forceLegacyCores option
• Add EJS_noAutoFocus (this is only for advanced developers, not likely an option you will use)
• Added supported Amiga file extensions (Thanks to [@michael-j-green](https://github.com/michael-j-green))
• Display the file name of the ROM/disk when using M3U lists (Thanks to [@michael-j-green](https://github.com/michael-j-green))
• Added vsync option
• Added advanced shader configuration support (Thanks to [@n-at](https://github.com/n-at))

4.0.11 View Tree

• Added the ability to disable localstorage using EJS_disableLocalStorage. (Thanks to [@n-at](https://github.com/n-at))
• Added the ability to trigger EJS_emulator.displayMessage with a duration. (Thanks to [@allancoding](https://github.com/allancoding))
• EJS_emulator.gameManager.getState now returns a Uint8Array instead of a promise.
• Fixed broken save states from the 4.0.10 release.

4.0.10 View Tree

• Fixed bug with duplicate control inputs.
• Fixed mobile settings menu positioning.
• Ability to load custom files into the wasm instance.
• Renamed the mame2003 system to mame.
• Removed mame disclaimers on mame2003 core.
• Added VICE cores for C64, C128, VIC20, Plus/4, and PET (Thanks to [@michael-j-green](https://github.com/michael-j-green))
• Added a padding between popup body and buttons.
• Added ability to disabled cached databases.
• Fixed screenshot for some cores.
• Fixed game element not being focused after fullscreening.
• Added missing Famicom controls.
• Fixed volume slider shadow. (Thanks to [@allancoding](https://github.com/allancoding))

4.0.9 View Tree

• Repository history rewrite - expect faster cloning times.
• Prevent Vice64 from creating cue files (Thanks to [@michael-j-green](https://github.com/michael-j-green))
• Chinese translation updated (Thanks to [@oyepriyansh](https://github.com/oyepriyansh))
• Added button to open context menu (Thanks to [@andrigamerita](https://github.com/andrigamerita))
• Fixed menu bar text placement for items on the right.
• Fixed a bug in safari where fullscreen would not resize the game element.
• Fixed a bug in safari where the bottom menu would be visible on initial page load.
• Fixed game rom filename showing as “game” when the game name is set.
• Added legacy nintendo 64 cores for browsers that don’t support webgl2.

4.0.8 View Tree

• Fixed typo in virtual gamepad dpad.
• Added updated desmume core.
• Fixed key mapping (Thanks to [@allancoding](https://github.com/allancoding))
• Fixed adblock message (Thanks to [@allancoding](https://github.com/allancoding))
• Added EJS_startButtonName option.
• Re-Added ability to drag and drop save states.
• Fixed cheats menu.
• Added popup message for Safari mobile users if game is not running.
• Added EJS_softLoad option.
• Added amiga core.
• Added c64 core.

4.0.7 View Tree

• Added rewind (Thanks to [@n-at](https://github.com/n-at))
• Added slowdown (Thanks to [@n-at](https://github.com/n-at))
• Fixed “zone” object in front of settings menu.
• Fixed virtual gamepad alignment.
• Add EJS_fullscreenOnLoaded option.
• Add virtual gamepad toggle to the control menu (for touchscreen devices)
• Fix gamepad ID showing as “undefined”.
• Added threaded cores.
• Added joystick translations (Thanks to [@allancoding](https://github.com/allancoding))
• Fixed fullscreen button tooltip (Thanks to [@allancoding](https://github.com/allancoding))
• Added TurboGrafx-16, SuperGrafx, PC Engine, neo geo pocket, WonderSwan, PC-FX, and ColecoVision support. (Thanks to [@n-at](https://github.com/n-at))
• Fixed cue file loading (Thanks to [@n-at](https://github.com/n-at))
• Fixed ability to hide volume slider (Thanks to [@n-at](https://github.com/n-at))
• Added new mame2003_plus core (now default mame2003 core)
• Use keycodes instead of labels (Thanks to [@allancoding](https://github.com/allancoding))

4.0.6 View Tree

• Fixed n64 on iOS safari
• virtual gamepads for atari2600, atari7800, lynx, jaguar, vb, 3do (Thanks to [@n-at](https://github.com/n-at))
• control buttons for gba, vb, 3do, atari2600, atari7800, lynx, jaguar (Thanks to [@n-at](https://github.com/n-at))
• Added EJS_controlScheme (Thanks to [@n-at](https://github.com/n-at))
• Added Fast Forward

4.0.5 View Tree

• Added pcsx_rearmed core
• Made pcsx_rearmed core the default psx core (better compatibility)
• Added fbneo core
• Made fbneo core the default arcade core (better compatibility)
• Added picodrive core (sega32x)
• Cleaned up documentation
• Fixed/updated rar de-compression
• Added segaMD, segaCD, sega32x button labels and virtual gamepad (Thanks to [@n-at](https://github.com/n-at))
• Added ability to use threads (pre compiled cores not yet available)
• Fixed reversed gamepad button events (down was up, up was down)
• Fixed Gamepad axis release not triggering
• Add highly beta psp core - see readme

4.0.4 View Tree

• Fix cheats “x” button
• Optimize memory usage
• Added ability to set urls to blob/arraybuffer/uint8array if needed

4.0.3 View Tree

• Remove RetroArch messages
• Center video at top

4.0.2 View Tree

• Add link to RetroArch License on about page
• Fix gamepad support for legacy browsers

4.0.1 View Tree

Complete application re-write. Everything changed. Although some changes to note are: - Optimization for smaller screens. - No more dead code. - Fix Gamepad for firefox. - Store srm in browser. - Ability to import/export srm files. - No more old cores

And much much more was changed…

3.1.5 View Tree

• Fixed iOS bug for iPads
• Added netplay! (only working on old cores)

3.1.0 View Tree

• Added ability to drag and drop save states.
• Fixed some “update” and “cancel” and “close” button confustion
• Removed save state retroarch messages
• Beta netplay cleanup (not yet working)
• (Theoretically) fixed a bug that did not allow iOS devices to work

3.0.5 View Tree

• Fixed screen recording on devices that do not support getUserMedia api.
• Added C label buttons to nintendo 64 virtual gamepad.
• Fixed EJS_color bug.
• Savestates are pulled from the core itself, to always be correct.
• Several new cores. (a5200, beetle_vb, desmume2015, fbalpha2012_cps1, fbalpha2012_cps2, fceumm, gambatte, mame2003, mednafen_psx, mednafen_psx_hw, melonds, mgba, mupen64plus_next, nestopia, snes9x)
• D-pad for virtual gamepad.
• Updated translation files to include new menu options.
• Ability to add more than one zone object to virtual gamepads.
• Added ability to set custom menu options.
• Virtual gamepad left handed mode.
• Fixed Screen record svg.
• Updated svg icons.
• Cache “clear all” button.
• Cache button moved to menu bar.
• Added feature that will display the current downloaded size when the content length is not available.

2.3.9 View Tree

• Fixed incorrect variable referencing when update bios download data callback.
• Fixed rom storage size limits.
• Fixed download percent not showing with some files.

2.3.8 View Tree

• Remove broken shader.
• Add download percent message.
• Fixed UI “saving state” message not going away.

2.3.7 View Tree

• Add more shaders.
• Add bold fontsize option to custom virtual gamepad settings.
• No longer set “normalOptions” from localization file.

2.3.6 View Tree

• Remove default control mappings for gamepads.
• Upgraded invalid character regex to catch more characters.

2.3.5 View Tree

• Use regex to detect and replace invalid characters in filename/gamename settings.

2.3.4 View Tree

• Add new arcade core.
• Fix patch file game id set bug.

2.3.4 View Tree

• Add new arcade core.

2.3.3 View Tree

• Make version in loader.js reasonable.
• Created function to return the game id to prevent unnecessary data stored.

2.3.2 View Tree

• Fix reference error.
• Fix bug in custom virtual gamepad processor where if value is set to 0 it will see that as the value being missing.

2.3.1 View Tree

• Use let instead of var.

2.3.0 View Tree

• Added ability to customize virtual gamepad UI.
• Fixed bug where shader is not set on start.

2.2.9 View Tree

• Added feature to save save files to indexeddb every 5 minutes.

2.2.8 View Tree

• Re-write gamepad handler.

2.2.7 View Tree

• Removed un-needed FS proxy functions.

2.2.6 View Tree

• Added fps counter.
• Fixed gba core aspect.

2.2.5 View Tree

• Added ability to set custom control mappings.
• Added ability to set custom default volume value.
• Fixed gamepad axis as button, gamepad varaible compared to incorrect value.
• Added ability to hide/show menu/context menu buttons.
• Added ability to set game url to other data types.

2.2.3 View Tree

• Fixed rar unarchiving function reference.
• Updated rar header detection.
• Removed netplay.

2.2.1 View Tree

• Added core menu options for new cores.
• Added new mame2003 core.
• Added support for debug emscripten setting for new cores.

2.0.1 View Tree

• Control mapping for beta cores.
• Updated beta cores.
• Beta cores now the default option!
• Added a5200 core.
• Fixed save state for new n64 core.

1.2.2 View Tree

• Moved virtual gamepad menu button to the top left as 3 lines.
• Added screen orientation lock.
• Added beta n64 core!

1.2.1 View Tree

• Updated beta core files.

1.1.6 View Tree

• Replaced axios module with custom script.
• Added pause/play for beta cores.
• Sepperated css into its own file.
• Renamed emu-min.js to emulator.min.js.

1.1.5 View Tree

• Cleaned up fetch error function.
• Cleaned up virtual gamepad event listeners.
• Add code of conduct.

1.1.2 View Tree

• Fixed error where mame files were misnamed.
• Fixed bug where variable referenced was not defined in loader.js.
• Added .gitignore
• Added nodejs script to minify js files.
• Added audio to screen recording.
• Removed lots of dead code from emulator.js file.
• Update axios module.
• Added CORS error message
• Update nodejs buffer module.

1.1.0 View Tree

• Added minify feature.
• Added emulatorjs logo.
• Added beta nds and gb core.
• Fixed bug where when wasm was supported on the beta cores and not the old cores, a network error would appear if not using beta.
• Added volume setting and cheats to beta cores.

1.0 View Tree

• Official release of the beta cores.
• Ability to use beta cores in production.
• Ability to use the old emulatorjs netplay server.
• Set screen recording out file name to gamename if present.
• Set screenshot out file name to gamename if present.
• Fixed virtual gamepad bug where a function was referenced to as an array.

0.4.26 View Tree

• Sepperated emulator.js file into 2 files.
• Added support for a custom netplay server.
• Fixed netplay room password input bug.
• Fixed bug on iOS where virtual gamepad zone was un-responsive.
• Added save state location feature.
• Added mame core setting.
• Added beta cores!
• Added localization.
• Re-wrote virtual gamepad code.
• Added EJS_terminate function.
• Exposed simulate_input function to window.
• Update webrtc adapter.

0.4.25 View Tree

• Moved load state on start from loader.js file to emulator.js file.
• Moved data path function from loader.js file to emulator.js file.
• Added ability to set custom path to data through EJS_pathtodata variable.
• Added support for custom paths.
• Expose the module and loader to window.
• Added EJS_startOnLoaded to start the emulator on load.
• Added quick save state slots.
• Added save state message.
• Only show save state slot in settings when save states are supported.
• Added ds pointer lock.
• Added menu button to virtual gamepad. Menu will only open when clicked on mobile.
• Created licenese
• Created official emulatorjs website.

0.4.24 View Tree

• Deobsfocuted emulator.js and loader.js files to the most of my extent.
• Added quick save/load hotkeys.
• Added ability to use gamepad axis as button.
• Fixed typo in controls title.
• Only show needed inputs per system in control settings.
• Re-write the loader.js file.
• Exposed some variables to window.
• Cleaned up context menu code.
• Cleaned up some syntax in emulator.js file.
• Declared EJS_AdUrl through loader.js file.
• Fixed bug where mapping an axis as a button didn’t work.
• Added missing legacy n64 core.
• Updated n64 core.

0.4.23-07 View Tree

• Removed not needed code.
• Added reset button to control settings.
• Added clear button to control settings.
• Added EJS_AdUrl option, the ability to add an ad to the emulator.
• Cleaned up some file fetching.
• Fixed RAR unarchiving.

0.4.23-05 View Tree

• No longer cache games with the protocols of file:, and chrome-extension:.
• Changed default keymappings.
• Added screen recording button.

0.4.23-04 View Tree

• Added mame2003, snes2002, snes2005, snes2010, and vbanext cores.
• Added asmjs for all supported cores.

0.4.23-03 View Tree

• Start loader.js deobsfocuting.
• Deobsfocute extractzip.js.
• Added EJS_gameName, the ability to change the file name of save states.

0.4.23-02 View Tree

• Start emulator.js deobsfocuting.

0.4.23-01 View Tree

• Added support for loading “blob:” urls.
• Added support for loading state on game start.

0.4.23 View Tree

• Added update available message.
• Fixed a bug where the ‘x’ from the ad iframe was still visible on game start.
• Added a2600 and mame cores.
• Remove visible ‘x’
• Add rar extraction support.

0.4.19 View Tree

• Added support for 32x, 3do, a7800, arcade, bluemsx, jaguar, lynx, ngp, pce, saturn, sega, segacd, and ws cores.

Initial release View Tree

• Support for unzipping zip files.
• Support for unzipping 7zip files.
• Support for vb, snes, psx, nes, nds, n64, gba, and gb systems. Only support for WASM.