Delta Download

Release notes

Version 1.7

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

Version 1.6.2

• 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.

Version 1.6

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.

• Supports Game Mode on iOS 18+
• Increased DS screen size for default edge-to-edge iPhone landscape skin

Version 1.5.4

• 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.

Version 1.5.2

• 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 AirPlay message covering touch screen when AirPlaying just top screen.
• Fixed minor AirPlay message layout issues.
• Hides Genesis controller mapping for public builds.

Version 1.5.1

• Initial App Store release.
• Updated social media account for Riley & Shane to Threads.
• Adds "Support" settings section.

Version 1.5

• 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.
• Raised deployment target to iOS 14.0.
• 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.
• Revised UI to use modern "inset grouped" style.
• Uses large titles where appropriate.
• Updates GoogleSignIn dependency to 5.0.2.
• Removes Fabric + Crashlytics dependencies.
• 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 "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.
• Fixed incorrect font size for some labels.
• Hides "Haptic Feedback" section on iPad.
• Fixed accidentally deleting Games directory during sync in rare circumstances.
• Fixed GridCollectionViewCell "Unable to simultaneously satisfy constraints" runtime error.

• Delta 1.4 Changelog

• Fixes the broken Real-Time Clock for some GBA games.
• Supports Just-in-time (JIT) compilation for enhanced performance on devices with A12 or later running iOS 14.2 – iOS 14.3.
• New core based on melonDS for DS emulation.
• DS settings screen to switch cores and import melonDS BIOS files.
• Fast-forward DS games.
• Action Replay cheat codes for DS games (melonDS core).
• Boot directly to Nintendo DS home screen and change system settings (melonDS core).
• Support for 8-character NES Game Genie cheat codes.
• Export save files for games from the context menu.
• Fixes issue preventing game artwork from loading.