• Fixed keyboard support on iOS 26
• Fixed "Outdated Emulator" error when using RetroAchievements

This update makes it easier for users in the United States to join our Patreon and unlock Patreon-exclusive benefits.

PREVIOUS UPDATE

NEW

Online Multiplayer
• Play online-compatible Nintendo DS games with friends around the world!
• Connect via community Nintendo WFC servers
• Choose one of the default servers (Wiimmfi, WiiLink WFC, or AltWFC), or provide a custom DNS

Updated N64 Core
• Uses OpenGL ES 3.0 to render games
• Fixes many graphical issues (e.g. black textures)
• Optionally switch back to OpenGL ES 2.0 on per-game basis
• Custom resolutions by editing mupen64plus.ini file
• Custom texture packs via Mupen64Plus `hires_texture` directory

Game Screenshots (thanks Chris Rittenhouse!)
• New pause menu option to take game screenshots
• Map game controller buttons to take screenshots
• New `screenshot` input for controller skins

Game Controller Skins
• Choose a skin to use when a game controller is connected
• Choose system-wide or per-game

Controller Case Support
• Controller skins can adjust position of pause menu via new `menuInsets` property
• Allows using pause menu with cases such as GAMEBABY and PlayCase

Game Settings
• New context-menu option for per-game settings
• Includes “Preferred Game Skin”, “OpenGL ES 3.0” (N64) and “Inserted GBA Game” (DS)

FIXED

• Fixed using analog sticks as discrete inputs for controllers with poor calibration (thanks Ian Clawson!)
• Fixed black/missing/incorrect textures in various N64 games
• Fixed white screen after (un-)locking device while AirPlaying DS games
• Fixed no audio for game previews in silent mode when Respect Silent Mode is OFF
• Fixed showing all save states as incompatible for non-DS systems
• Fixed crash when viewing save states for unsupported system
• Fixed missing accessibility label for Settings button
• Fixed not showing "Reset" button when choosing landscape skin
• Fixed not showing "Reset" button when choosing per-game Game Controller or AirPlay skins
• Fixed "Hold Button" description layout after orientation change
• [Delta Sync] Fixed misleading “file does not exist” errors when previous version is missing
• [iPad] Fixed quitting all games when using multiple scenes

This update fixes compatibility with certain N64 games.

PREVIOUS UPDATE

NEW

Online Multiplayer
• Play online-compatible Nintendo DS games with friends around the world!
• Connect via community Nintendo WFC servers
• Choose one of the default servers (Wiimmfi, WiiLink WFC, or AltWFC), or provide a custom DNS

Updated N64 Core
• Uses OpenGL ES 3.0 to render games
• Fixes many graphical issues (e.g. black textures)
• Optionally switch back to OpenGL ES 2.0 on per-game basis
• Custom resolutions by editing mupen64plus.ini file
• Custom texture packs via Mupen64Plus `hires_texture` directory

Game Screenshots (thanks Chris Rittenhouse!)
• New pause menu option to take game screenshots
• Map game controller buttons to take screenshots
• New `screenshot` input for controller skins

Game Controller Skins
• Choose a skin to use when a game controller is connected
• Choose system-wide or per-game

Controller Case Support
• Controller skins can adjust position of pause menu via new `menuInsets` property
• Allows using pause menu with cases such as GAMEBABY and PlayCase

Game Settings
• New context-menu option for per-game settings
• Includes “Preferred Game Skin”, “OpenGL ES 3.0” (N64) and “Inserted GBA Game” (DS)

FIXED

• Fixed using analog sticks as discrete inputs for controllers with poor calibration (thanks Ian Clawson!)
• Fixed black/missing/incorrect textures in various N64 games
• Fixed white screen after (un-)locking device while AirPlaying DS games
• Fixed no audio for game previews in silent mode when Respect Silent Mode is OFF
• Fixed showing all save states as incompatible for non-DS systems
• Fixed crash when viewing save states for unsupported system
• Fixed missing accessibility label for Settings button
• Fixed not showing "Reset" button when choosing landscape skin
• Fixed not showing "Reset" button when choosing per-game Game Controller or AirPlay skins
• Fixed "Hold Button" description layout after orientation change
• [Delta Sync] Fixed misleading “file does not exist” errors when previous version is missing
• [iPad] Fixed quitting all games when using multiple scenes

NEW

Online Multiplayer
• Play online-compatible Nintendo DS games with friends around the world!
• Connect via community Nintendo WFC servers
• Choose one of the default servers (Wiimmfi, WiiLink WFC, or AltWFC), or provide a custom DNS

Updated N64 Core
• Uses OpenGL ES 3.0 to render games
• Fixes many graphical issues (e.g. black textures)
• Optionally switch back to OpenGL ES 2.0 on per-game basis
• Custom resolutions by editing mupen64plus.ini file
• Custom texture packs via Mupen64Plus `hires_texture` directory

Game Screenshots (thanks Chris Rittenhouse!)
• New pause menu option to take game screenshots
• Map game controller buttons to take screenshots
• New `screenshot` input for controller skins

Game Controller Skins
• Choose a skin to use when a game controller is connected
• Choose system-wide or per-game

Controller Case Support
• Controller skins can adjust position of pause menu via new `menuInsets` property
• Allows using pause menu with cases such as GAMEBABY and PlayCase

Game Settings
• New context-menu option for per-game settings
• Includes “Preferred Game Skin”, “OpenGL ES 3.0” (N64) and “Inserted GBA Game” (DS)

FIXED

• Fixed using analog sticks as discrete inputs for controllers with poor calibration (thanks Ian Clawson!)
• Fixed black/missing/incorrect textures in various N64 games
• Fixed white screen after (un-)locking device while AirPlaying DS games
• Fixed no audio for game previews in silent mode when Respect Silent Mode is OFF
• Fixed showing all save states as incompatible for non-DS systems
• Fixed crash when viewing save states for unsupported system
• Fixed missing accessibility label for Settings button
• Fixed not showing "Reset" button when choosing landscape skin
• Fixed not showing "Reset" button when choosing per-game Game Controller or AirPlay skins
• Fixed "Hold Button" description layout after orientation change
• [Delta Sync] Fixed misleading “file does not exist” errors when previous version is missing
• [iPad] Fixed quitting all games when using multiple scenes

This update allows patrons to access their benefits, such as special app icons and early access to new features (US only).

NEW

General
• “Resume” button to quickly resume paused game
• Dark + tinted variants of primary app icon

Alternate App Icons (Patrons)
• Gorgeous alternate app icons designed by community members, including:
• “Halogenide” by Sebastiaan de With
• “Ketchup” by Ben McCarthy
• “Microchip” by Sean Fletcher
• “Button Pack” icon set by Louie Mantia

Experimental Features (Patrons)
• New section in Settings for features by third-party contributors
• Features are WIP and should be used at user’s discretion

DS Online Multiplayer (Patrons)
• Play Nintendo DS games online with friends!
• Connect via 3rd-party Nintendo WFC servers (e.g. Kaeru)
• Available via Experimental Features

** All Experimental Features will become available for everyone for free once they're ready **

This update fixes misc. bugs when running on iOS 18 and macOS 15 Sequoia.

This update fixes misc. visual bugs when running on iOS 18.

• Fixed occasionally dropping DS touch screen inputs
• Fixed crash loading certain skins with fallback traits
• Fixed crash loading certain iPhone skins on iPad
• Fixed app freezing when AirPlaying
• Fixed app freezing when rotating device with certain skins

NEW
• Supports using iPhone skins on iPad

FIXED
• Fixed rare crash when loading DS save states
• Fixed game controllers not working on visionOS and macOS
• Fixed hardware keyboard support on macOS
• Fixed menu button not working on external controllers with remapped menu button
• Fixed delayed inputs on external controllers with remapped menu button
• Fixed DS touch screen not responding after updating to iPad version

**This update is incompatible with existing DS save states. Please save normally in-game before updating to avoid losing progress.**

NEW

App Icon
• Brand new legally-compliant app icon (thanks Caroline Moore!)
• Includes alternative app icons designed by community members:
• "Halogenide" by Sebastiaan de With
• "Ketchup" by Ben McCarthy
• "Microchip" by Sean Fletcher

iPad Support
• Play games full screen on iPad's beautiful display
• Brand new controller skins designed specifically for iPad (thanks Caroline Moore!)
• Supports multiple windows in Stage Manager and Split View
• Automatically pauses games when switching windows (optional)

Handoff
• Seamlessly switch between iPhone and iPad
• Continues playing exactly where you left off
• Also supports Delta on Apple Silicon Macs via Mac App Store

melonDS 0.9.5
• Improves DS game compatibility & performance
• BIOS files are now optional!
• Supports "inserting" GBA games into DS dual-slot
• Increased Fast Forward speed to 3x (A15 processor or later)

Menu Button Gestures
• Use gestures while holding menu button to perform quick actions
• Menu + Horizontal Swipe: Fast Forward
• Menu + Any Button: Hold Button
• Menu + Double-Tap: Quick Save
• Menu + Long-Press: Quick Load

Experimental Features
• New section in Settings for features by third-party contributors
• Features are WIP and should be used at user’s discretion
• Available for Patrons on "Beta Access" tier or higher

Save States
• Sort save states by name
• View all incompatible screenshots on a separate screen
• Export save states to import into other emulators

"Display Full Screen" AirPlay Setting
• Control whether Delta shows games full screen on external displays
• Disable to use multiple windows on external display with Stage Manager

Misc.
• Increased DS screen size for default edge-to-edge iPhone landscape skin

FIXED

• Fixed exporting save file without file extension
• Fixed interface rotating when playing WarioWare: Twisted!
• Fixed Pokemon Black & White (2) freezing with C-Gear enabled

Adobe threatened legal action unless we changed our app icon — so we did! Hope y'all like it :)

• New icon to avoid legal trouble
• Revised context menu for games
• Fixed exporting save file without file extension
• Fixed broken melonDS BIOS FAQ link

• Pre-fills game name in Games Database search field
• Fixed using touch screen when AirPlaying DS games
• Hides "Genesis" controller mapping while Genesis support is in beta

Thanks so much for using Delta! Glad to see everyone enjoying their favorite retro games :)

NEW

Local Multiplayer (thanks Ian Clawson!)
* Play multiplayer NES, SNES, and N64 games with friends
* Supports up to 4 players

AirPlay Support
* Stream your games to the big screen with AirPlay
* [DS] Layout screens horizontally or vertically on TV
* [DS] Optionally AirPlay just top screen for true multi-screen experience

Error Log
* Added detailed logging to help debug issues, especially related to syncing
* View complete error log by pressing "Export Error Log" in Settings

IMPROVED

Delta Sync
* Automatically resolves Cheat + ControllerSkin sync conflicts
* Syncs `GameSave.sha1` hash between devices to prevent redundant uploads
* Displays activity indicator when signing in
* Delays seeding Delta Sync database until initial sync
* Delays sync until after interactive Settings dismissal has completed
* Uses local modification date when uploading changes
* De-authenticates existing service when switching services
* [Dropbox] Improved error message when remote storage is out of free space

Non-MFi Controller Support
* New default mappings for single Joy-Cons and Switch NES/SNES controllers
* Uses Logo/Home button as Delta pause button if controller has one

Settings
* Revised UI to use modern "inset grouped" style
* Uses large titles where appropriate

Misc.
* Adds "Learn More" links to FAQ thoughout the app
* Replaces `UIDocumentBrowserViewController` with `UIDocumentPickerViewController` on iOS 17+
* Skips checksum verification when importing zipped games
* Displays "Touch Screen" instead of "iPhone" or "iPad" when using touch controls

FIXED

Delta Sync
* Fixed "Harmony.sqlite couldn't be opened" sync error when there are more than 1000 games
* Fixed "file does not exist" sync error after restoring previous version
* Fixed Delta Sync switch remaining OFF if users cancels "Disable Syncing?" warning alert
* Fixed incorrect mass conflicts when signing out then back in
* Fixed missing references to remote files when signing out then back in
* Fixed queued syncs sometimes fetching outdated changes
* Fixed accidentally using wrong account when signed-in to multiple services
* Fixed issue causing Delta to skip seeding syncing database, potentially overwriting local data with old remote data
* Fixed incorrectly marking some game saves as conflicted during initial sync
* Fixed accidentally signing-out after signing-in to previous Google Drive account
* Fixed accidentally deleting Games directory during sync in rare circumstances