> For the complete documentation index, see [llms.txt](https://faq.deltaemulator.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://faq.deltaemulator.com/release-notes.md). # Release Notes ## Delta 2.0 **October 22, 2025** ### New iPhone Duo * Delta unfolds in all new ways to take full advantage of iPhone Duo * Optimized controller skins for every pose in both portrait and landscape * Supports Split View multitasking with other apps * Folding Duo puts DS games to sleep, just like closing the lid of a real DS Sega Genesis * Sega Genesis games are now playable in Delta * New controller skins for iPhone and iPad, including landscape skins * Support for Action Replay and GameGenie cheat codes * Support for RetroAchievements Brand New Look * Redesigned UI for Liquid Glass * All-new game selection screen, showing three games per row on larger devices * Beautiful, new Liquid Glass app icon * Redesigned game library page control with icons (e.g. game systems) RetroAchievements * Sign in with your RetroAchievements account to earn achievements in any supported game * View current game progress when launching a game (e.g. number of unlocked achievements) * View full achievement descriptions by tapping “Achievement Unlocked” banners * Supports Hardcore mode, which disables loading save states and using cheats Recents & Favorites * New “Favorites” and “Recently Played” pages in Game Library * Add games to “Favorites” via long-press for easy access * Automatically sync favorites between devices * See your recent games in the order you last played them * Defaults to “Recently Played” when launching Delta Animated Controller Skins * Adds support for controller skins with animated buttons * Supports import of 3rd-party skins * New, official animated GBA skin by Caroline Moore DLC * Custom in-game experiences for Pokémon games, built by our team * Unlock event items, receive rare Pokémon, and more * Supports all mainline GBA Pokémon games * Start limited content directly from the Pause Menu while playing * First limited content available now for Pokémon Emerald Audio Settings * New audio settings to determine how Delta handles other apps’ audio * “Mix with Other Audio” keeps your music or podcasts playing during games * “Pause Other Audio” silences everything else when a game starts Core Settings * Adds Core Settings for all systems in settings * View information about the various underlying emulator cores * Customize Color Palettes for original Game Boy games Custom Fast Forward Speeds * Change preferred Fast Forward speed per-system and per-game * Long-press Fast Forward from the Pause Menu to adjust speed * Adjust fast forward speed from per-game settings via long-press Adjustable Screen Position * Long-press and drag to reposition game screen with controller connected Redesigned Pause Menu * Fully redesigned & animated pause menu with Liquid Glass on iOS 26 * Optimizes layout dynamically to match window aspect ratio * Larger buttons to take advantage of larger screens * Option to move Home and Resume buttons to the top of the Pause Menu * Updated save states screen with Liquid Glass * Fully redesigned cheats screen for Liquid Glass * Choose cheat icons from a wide selection for added personalization Redesigned Settings * Adds icons to help differentiate top-level settings * Reorganizes settings into more easily navigable hierarchy * Access all settings options more quickly and intuitively * “Audio” icon dynamically updates to reflect current volume level * Redesigned controller input mapping screen for game controllers and keyboards * Moved Online Multiplayer to top-level settings Custom Filters (Experimental Features) * Give your games a different look with Custom Filters, a new Experimental Feature for changing how your game screen appears * Every system includes two filter presets, with looks such as CRT and original Game Boy * Set your filters per-system * Use the included presets or import your own custom filters from the Files app Epilogue GB/SN Operator Support (Experimental Features) * Connect old game cartridges directly to your iPhone or iPad and play them natively * Reads and writes save files to cartridge * Supports GBC/GBA and SNES games (respectively) * Blowing into cartridges optional Misc. * Option to open games in a new window on iPadOS 26 * Added the ability to delete save states in bulk #### Improved * Updated Sean Fletcher’s Microchip icon for Liquid Glass * Updated the + button to open file import directly for faster game importing * Removed “Import from iTunes” game import option * Updated the previous sync status screen for iOS 26 * Updated “What’s New” screen to showcase Delta 2.0 features * Raises deployment target to iOS 17.4 #### Fixed * Multitasking section no longer appears in Settings when it shouldn’t * Removed legacy 3D Touch controls * Fixed SNES audio crackling * Fixed NES games occasionally opening to a black screen * Fixed online multiplayer help text appearing when a Nintendo WFC server is already selected ## Delta 1.7.3 **October 23, 2025** * Fixed keyboard support on iOS 26 * Fixed “Outdated Emulator” error when using RetroAchievements ## Delta 1.7.2 **May 7, 2025** * Revised Patreon sign-up flow to make it easier to join our Patreon and unlock Patreon-exclusive benefits (U.S. App Store only). ## Delta 1.7.1 **April 8, 2025** * Disables OpenGL ES 3.0 by default for Donkey Kong 64 to fix crashes * Tapping "Join our Patreon" now directly opens link to Patreon campaign instead of AltStore * Fixed game previews not respecting OpenGL ES 3.0 setting * Fixed missing Patreon-exclusive app icons in PAL version ## Delta 1.7 **March 31, 2025** ### 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, or provide a custom DNS * [Wiimmfi](https://wiimmfi.de/) (167.235.229.36) * [WiiLink WFC](https://wfc.wiilink24.com/) (5.161.56.11) * [AltWFC](https://github.com/barronwaffles/dwc_network_server_emulator/wiki) (172.104.88.237) * Disables pausing & other functionality during multiplayer sessions * Shows toast notification when connecting + disconnecting from Nintendo WFC * Stays connected online up to 30 seconds after entering background #### Updated N64 Core * Uses OpenGL ES 3.0 to render games * Fixes many common graphical issues (e.g. black textures) * Optionally switch back to OpenGL ES 2.0 on per-game basis * Custom resolutions by editing config file at `Delta/Cores/Mupen64Plus/Config/mupen64plus.cfg` * Custom texture packs via `Delta/Cores/Mupen64Plus/hires_texture` directory #### Game Screenshots (thanks [Chris Rittenhouse](https://github.com/rileytestut/Delta/pull/242)!) * New option in pause menu to take screenshots of games * Upscales screenshot to 1080p to ensure they appear sharp in Photos app * Map game controller buttons to take screenshot * New `screenshot` input for controller skins * \[Experimental Feature] Save to dedicated "Delta Screenshots" album #### Game Controller Skins * Choose a skin to use when a game controller is connected * Choose system-wide or per-game #### “What's New” Screen * Lists new features in latest Delta update on first launch * Includes links to Delta's new social media accounts * Mastodon: [@delta@indieapps.space](https://indieapps.space/@delta) * Threads: [@delta\_emulator](https://www.threads.net/@delta_emulator) * Bluesky: [@deltaemulator.com](https://bsky.app/profile/deltaemulator.com) * \[Experimental Feature] "Show What's New" setting to re-show on next launch #### Game Settings * New context-menu option to configure per-game settings * Preferred game skin * OpenGL ES 3.0 (N64) * Inserted GBA Game (DS) * Replaces "Change Game Skin" in game context menu #### Controller Case Support * Controller skins can adjust position of pause menu via new \`menuInsets\` property * Allows using pause menu with cases such as [GAMEBABY](https://www.bitmolab.com/pages/gamebaby) and [PlayCase](https://playcase.gg) * Supports vertical and horizontal insets #### RetroAchievements (Experimental Feature) * Log in with RetroAchievements account to track achievements * Supports Hardcore mode (Optional) * Shows notification after unlocking achievement * Supports NES, SNES, and N64 games * Remaining systems coming soon! #### "Ask Lu" (Experimental Feature) * Optional AI assistant with detailed information about various games * Ask for help about the current game you're playing * For more info, check their [Discord](https://discord.gg/XvSysJpQrn) ### Improved #### Settings * Changed "Respect Silent Mode" default to OFF for all devices * Always shows Friend Zone Patrons in Settings * Shows "Follow Us" footer at bottom of Settings screen * Removed legacy credits for Riley, Shane, and Caroline * Includes timestamp in exported error log filename #### Experimental Features * Renamed "Variable Fast Forward" to "Custom Fast Forward Speed" * Removed legacy Experimental Features * Online Multiplayer * OpenGL ES 3.0 * Game Screenshots #### Misc. * Removes "External Purchase Link" entitlement from non-App Store builds ### Fixed * Fixed using analog sticks as discrete inputs for controllers with poor calibration (thanks [Ian Clawson](https://github.com/rileytestut/DeltaCore/pull/50)!) * 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 qutting all games when using multiple scenes ## Delta 1.6.5 **December 17, 2024** ### New **General** * “Resume” button to quickly resume paused game * Dark + tinted variants of primary app icon * Toggle between light and dark mode variants to view both in settings **Patreon Integration (U.S. App Store only)** * Access to patron-exclusive features by connecting Patreon account * Includes alternate app icons and Experimental Features * "External Purchase Link" to join our Patreon directly in-app **Alternate App Icons (Patrons)** * New "Button Pack" icon set by [Louie Mantia](https://lmnt.me) * Asks user to reboot device if attempting to choose existing app icon * Previous patron-only icons now available in U.S. App Store **Experimental Features (Patrons)** * Now available in U.S. App Store * New OpenGL ES 3.0 renderer fixes many common graphical issues **DS Online Multiplayer (Patrons)** * Play Nintendo DS games online with friends! * Connect via 3rd-party Nintendo WFC servers (e.g. Kaeru) * Available in U.S. App Store via Experimental Features ### Fixed * Fixed incorrect mappings for iPad landscape GBC controller skin ## Delta 1.6.4 **September 19, 2024** * Fixed black screen when running on macOS 15 Sequoia * Fixed showing Patreon icons by accident in App Store build ## Delta 1.6.3 **September 16, 2024** * Fixed not unlocking Experimental Features * Fixed misc. visual bugs on iOS 18 ## Delta 1.6.2 **July 31, 2024** * Changed Caroline Moore's credit to “Creative Director” * Fixed occasionally dropping DS touch screen inputs * Fixed crash when loading certain skins with fallback traits * Fixed crash when loading certain iPhone skins on iPad * Fixed app freezing when AirPlaying non-DS systems * Fixed app freezing when rotating device with certain skins ## Delta 1.6.1 **July 23, 2024** ### New * Supports using iPhone skins on iPad * "Show Touches" Experimental Feature * Optionally show touches when playing games or navigating UI * Useful for screen recordings and tutorials ### 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 ## Delta 1.6 **July 10, 2024** ### New **App Icon** * Brand new legally-compliant app icon (thanks [Caroline Moore](https://www.threads.net/@carolinemoore)!) * Includes alternative app icons designed by community members: * "Halogenide" by [Sebastiaan de With](http://halide.cam) * "Ketchup" by [Ben McCarthy](https://benricemccarthy.com/) * "Microchip" by [Sean Fletcher](https://www.threads.net/@seanfletchr) **iPad Support** * Play games full screen on iPad's beautiful display * Brand new controller skins designed specifically for iPad (thanks [Caroline Moore](https://www.threads.net/@carolinemoore)!) * 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 no longer required * 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 * Latest experimental features: * "Reverse Controller Skin Screens" * Allow switching controller skin screens at runtime * e.g. flipping DS screens * "Skin Debugging" * Visually show hit-boxes on controller skins to debug mappings * Replaces legacy "debug" key in controller skin info.json * Optionally ignore padding ("extendedEdges") ### Improved **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.** * Renamed “Change Controller Skin” context-menu option to “Change Game Skin” * Logs additional information in Error Log * Supports Game Mode on iOS 18+ * Increased DS screen size for default edge-to-edge iPhone landscape skin ### Fixed * Fixed interface rotating when playing WarioWare: Twisted! * Fixed Pokemon Black & White (2) freezing with C-Gear enabled * Fixed preparing CheatBase every app launch * Fixed initializing games database concurrently ## Delta 1.5.4 **May 17, 2024** #### New App Icon * Updated app icon to avoid legal trouble with Adobe **Revised context menu for games** * Groups related settings together * Nests Import/Export Save File under parent “Manage Save File” option * Changes Rename icon to match Files app * Renames “Save States” to “View Save States” **Fixed** * Fixed exporting save file without file extension * Fixed broken melonDS BIOS FAQ link ## Delta 1.5.2 **April 25, 2024** ### Improved * Pre-fills Games Database search bar with game name * Revises Patreon settings section * Updates Caroline’s + Grant’s credit URLs to Threads * Adds “Credits” footer mentioning to follow Riley and Shane for Delta news ### Fixed * Fixed AirPlay message covering touch screen when AirPlaying just top screen * Fixed minor AirPlay message layout issues * Hides Genesis controller mapping for public builds ## Delta 1.5.1 **April 17, 2024** * Initial App Store release! * Updated social media account for Riley & Shane to Threads * Adds "Support" settings section ## Delta 1.5 **February 20, 2024** ### New #### Local Multiplayer (thanks [Ian Clawson](https://github.com/ianclawson)!) * 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 #### Misc. * Raised deployment target to iOS 14.0 ### 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 * Saves change token to disk immediately after fetching remote changes * Deauthenticates existing service when switching services * Improved error message when remote storage is out of free space (Dropbox only) * Added detailed logging to help debug issues * View complete error log by pressing "Export Error Log" in Settings #### 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 #### Dependencies * Updates GoogleSignIn dependency to 5.0.2 * Removes Fabric + Crashlytics dependencies #### Misc. * Replaces `UIDocumentBrowserViewController` with `UIDocumentPickerViewController` on iOS 17+ * Skips checksum verification when importing zipped games * Adds "Learn More" links to FAQ thoughout the app * Displays "Touch Screen" instead of "iPhone" or "iPad" when using touch controls * Includes Delta Sync authentication error information in detailed error log * Switches to weak references for EmulatorCore + VideoManager `gameViews` * Adds `GameView.isEnabled` to enable/disable rendering per-GameView ### 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 Harmony to skip seeding 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 #### Settings * Fixed incorrect font size for some labels * Hides "Haptic Feedback" section on iPad #### Misc. * Fixed accidentally deleting Games directory during sync in rare circumstances * Fixed `GridCollectionViewCell` "Unable to simultaneously satisfy constraints" runtime error ## ## Delta 1.4.2 **September 19, 2023** * Fixed crash when loading save states on iOS 17 * Fixed displaying system name in dark text when remapping inputs on iOS 17 ## ## Delta 1.4.1 **May 10, 2023** * Fixed translucent controller skins becoming opaque after rotating device * Fixed incorrect controller skin thumbstick size after rotating device ## ## Delta 1.4 **February 28, 2023** ### New #### CheatBase (thanks [Noah Keck](https://github.com/noah978)!) * View and add all known cheats for supported games * Read cheat descriptions, including how to activate them (if needed) * Groups cheats by category for easier browsing * Limited to DS games for now, but will be expanded in the future #### “Respect Silent Mode” setting * When enabled, Delta will only play game audio when your device isn’t muted * Automatically mutes game audio if another app is playing audio #### “Contributors” screen * See everyone who has contributed to the Delta codebase on GitHub * View associated Pull Requests/GitHub repos for contributed features #### Misc. * Supports controller skins with new \`placement\` parameter * Supports controller skins with custom screens that don’t have explicit \`outputFrame\` * Adds Shane Gill to Credits ### Improved * Automatically pauses + resumes emulation when switching between foreground apps with Stage Manager * Uses modern menu UI when importing games * Updated icon for "Copy Deep Link" action when sharing a game ### Fixed * Fixed error sharing games via certain share methods * Fixed exporting save files for games with names containing special characters * Fixed potential crash rendering game screen after changing EAGLContext * Fixed incorrect game screen frame when software keyboard appears on iOS 16 * Fixed software keyboard sometimes appearing when not emulating anything * Fixed keyboard controller appearing when another controller is active * Fixed using Xbox controller analog sticks as D-pad inputs * Fixed remapping analog sticks * Fixed re-activating held inputs * Fixed duplicate inputs when re-activating discrete held input * Fixed incorrect font size for Credits section in Settings