{
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  "language": "en",
  "updatedAt": "2026-10-04",
  "scope": "Public design tools and guides. No private or unapproved product content.",
  "canonicalSite": "https://plurigent.com/",
  "sitemapUrl": "https://plurigent.com/sitemap.xml",
  "feedUrl": "https://plurigent.com/feed.xml",
  "llmsUrl": "https://plurigent.com/llms.txt",
  "availableLanguages": [
    {
      "code": "en",
      "label": "English",
      "indexUrl": "https://plurigent.com/knowledge.json"
    }
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  "audiences": [
    {
      "id": "designer",
      "title": "For Designers",
      "url": "https://plurigent.com/tutorials/iphone-duo/designers",
      "entryIds": [
        "iphone-duo/design-video",
        "iphone-duo/figma-design-resources",
        "iphone-duo/preview-your-design",
        "iphone-duo/safe-area",
        "iphone-duo/adaptive-layout",
        "iphone-duo/resources",
        "iphone-duo/toolbar-design-video",
        "iphone-duo/figma-prototype-preview"
      ]
    },
    {
      "id": "developer",
      "title": "For Developers",
      "url": "https://plurigent.com/tutorials/iphone-duo/developers",
      "entryIds": [
        "iphone-duo/xcode-27-1",
        "iphone-duo/simulator",
        "iphone-duo/app-testing",
        "iphone-duo/safe-area",
        "iphone-duo/adaptive-layout",
        "iphone-duo/webview",
        "iphone-duo/resources",
        "iphone-duo/toolbar-design-video"
      ]
    }
  ],
  "resourceCollections": [
    {
      "id": "videos",
      "title": "iPhone Duo Videos for Designers",
      "url": "https://plurigent.com/tutorials/iphone-duo/videos",
      "description": "Watch Apple Developer sessions and independent iPhone Duo perspectives with design notes. Official guidance, French-language commentary and early impressions have different scopes.",
      "resources": [
        {
          "id": "apple-design-for-duo-youtube",
          "title": "Design for iPhone Duo",
          "publisher": "Apple Developer",
          "url": "https://www.youtube.com/watch?v=do3UqxfYc3I",
          "tier": "official",
          "kind": "video",
          "checkedAt": "2026-09-26",
          "note": "Start with Apple’s design session for control placement, display compositions, sheets and fold avoidance. Chapters and selected transcript text were reviewed; live YouTube playback was not.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "apple-raise-the-bar-youtube",
          "title": "Raise the bar with iPhone Duo",
          "publisher": "Apple Developer",
          "url": "https://www.youtube.com/watch?v=2y6xvya0b8M",
          "tier": "official",
          "kind": "video",
          "checkedAt": "2026-09-26",
          "note": "Apple’s toolbar session connects groups, ordering and overflow. Use its design decisions for a handoff; custom bars and individual system-app examples do not establish identical native behavior.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "apple-adaptive-layouts-youtube",
          "title": "Strike a pose with adaptive layouts on iPhone Duo",
          "publisher": "Apple Developer",
          "url": "https://www.youtube.com/watch?v=d1xi9GAfSRI",
          "tier": "official",
          "kind": "video",
          "checkedAt": "2026-09-26",
          "note": "An implementation-oriented Apple session on available space, layout containers and reserved regions. Designers can focus on the layout decisions; examples still need native implementation checks.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "younes-duret-duo-design",
          "title": "iPhone Duo : très bon design, mais je ne l’achèterai pas !",
          "publisher": "Younes Duret Design",
          "url": "https://www.youtube.com/watch?v=3pmpkYPRjxM",
          "tier": "expert",
          "kind": "video",
          "checkedAt": "2026-09-26",
          "note": "French-language design commentary based on the announcement, with the creator’s product and interface viewpoint. It is not an Apple specification or evidence of a complete native-device test.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "mkbhd-duo-what-we-missed",
          "title": "iPhone Duo: What We Missed!",
          "publisher": "Marques Brownlee",
          "url": "https://www.youtube.com/watch?v=6D__H_DO2Xk",
          "tier": "expert",
          "kind": "video",
          "checkedAt": "2026-09-26",
          "note": "An independent announcement follow-up. Treat its observations as the creator’s early perspective, not a newly verified retail-device review or an implementation specification.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "techchap-duo-hands-on",
          "title": "iPhone Duo Hands-On!",
          "publisher": "The Tech Chap",
          "url": "https://www.youtube.com/watch?v=XRKjMvfYV0o",
          "tier": "expert",
          "kind": "video",
          "checkedAt": "2026-09-26",
          "note": "The creator’s hands-on first-impressions video. Its historical identity is retained; this content update did not replay it or independently verify its device and software observations.",
          "playbackVerified": false,
          "simulatorVerified": false
        }
      ]
    },
    {
      "id": "designs",
      "title": "iPhone Duo Figma & Design Resources",
      "url": "https://plurigent.com/tutorials/iphone-duo/design-resources",
      "description": "Find Apple UI kits and iPhone Duo bezels alongside independent concepts and mockups. Check authorship, actual file access and reuse terms before presenting client work.",
      "resources": [
        {
          "id": "apple-design-resources",
          "title": "Apple Design Resources",
          "publisher": "Apple Developer",
          "url": "https://developer.apple.com/design/resources/",
          "tier": "official",
          "kind": "design-kit",
          "checkedAt": "2026-09-26",
          "note": "Apple’s directory lists UI kits and iPhone Duo presentation bezels. Use the original source for current files and terms; a directory check is not a download, license review or verified prototype.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "odama-roam-duo",
          "title": "Roam - Travel Discovery Iphone Duo Version",
          "publisher": "Odama",
          "url": "https://dribbble.com/shots/27746190-Roam-Travel-Discovery-Iphone-Duo-Version",
          "tier": "inspiration",
          "kind": "design-case",
          "checkedAt": "2026-09-26",
          "note": "An attributed travel-discovery design concept. Use the original work as inspiration; its underlying file, reuse terms and browser-preview behavior have not been verified.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "airzon-fintech-duo",
          "title": "One app. Two displays. A whole new canvas. | iPhone Duo | Design",
          "publisher": "Airzon Agency",
          "url": "https://dribbble.com/shots/27737234-One-app-Two-displays-A-whole-new-canvas-iPhone-Duo-Design",
          "tier": "inspiration",
          "kind": "design-case",
          "checkedAt": "2026-09-26",
          "note": "A fintech concept described by its author around quick actions and deeper information. It is design inspiration, not evidence of a downloadable Figma file or a native implementation.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "jetdesigns-product-shelf-duo",
          "title": "iPhone Duo Product Shelf | Foldable Workspace UI/UX Concept",
          "publisher": "JetDesigns",
          "url": "https://dribbble.com/shots/27720188-iPhone-Duo-Product-Shelf-Foldable-Workspace-UI-UX-Concept",
          "tier": "inspiration",
          "kind": "design-case",
          "checkedAt": "2026-09-26",
          "note": "The author’s foldable-workspace concept is a starting point for discussing task continuity. A published concept is not an importable or Simulator-verified prototype.",
          "playbackVerified": false,
          "simulatorVerified": false
        },
        {
          "id": "avelina-duo-mockup",
          "title": "iPhone Duo Mockup - Inner & Cover Screens (2 Objects)",
          "publisher": "Avelina Studio",
          "url": "https://www.behance.net/gallery/255627165/iPhone-Duo-Mockup-Inner-Cover-Screens-%282-Objects%29",
          "tier": "inspiration",
          "kind": "mockup",
          "checkedAt": "2026-09-26",
          "note": "A folded/unfolded presentation mockup reference. The downloadable file, reuse terms and live preview remain unverified; do not present it as an interactive Figma example.",
          "playbackVerified": false,
          "simulatorVerified": false
        }
      ]
    }
  ],
  "topicClusters": [
    {
      "id": "iphone-duo",
      "name": "iPhone Duo",
      "hubUrl": "https://plurigent.com/tutorials/iphone-duo",
      "guideIds": [
        "iphone-duo/xcode-27-1",
        "iphone-duo/simulator",
        "iphone-duo/safe-area",
        "iphone-duo/adaptive-layout",
        "iphone-duo/app-testing",
        "iphone-duo-playground",
        "iphone-duo/webview"
      ],
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        "iphone-duo/resources"
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        "iphone-duo/toolbar-design-video",
        "iphone-duo/figma-prototype-preview"
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    }
  ],
  "articles": [
    {
      "id": "iphone-duo/xcode-27-1",
      "language": "en",
      "title": "iPhone Duo Xcode 27.1 Requirements & Setup",
      "url": "https://plurigent.com/tutorials/iphone-duo/xcode-27-1",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/xcode-27-1/content.md",
      "description": "Choose the iPhone Duo toolchain using Apple’s current hub, compare Xcode 27.1 beta with 27.2 beta 2, and check host requirements, TestFlight eligibility and dated limitations.",
      "answer": "As of October 4, 2026, Apple’s iPhone Duo developer hub points to Xcode 27.1 beta (27A9269). Xcode 27.2 beta 2 (27B5028f) is also available, but the higher version number alone does not establish Duo SDK and runtime support. Check the hub and the matching requirements before switching.",
      "audiences": [
        "developer"
      ],
      "primaryAudience": "developer",
      "format": "guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "learn",
        "implement"
      ],
      "category": "start",
      "categoryLabel": "Getting started",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Xcode 27.1 beta",
        "iOS 27.1 SDK",
        "macOS Tahoe 26.6 or later",
        "Apple silicon Mac"
      ],
      "verificationStatus": "Apple’s Duo hub, release index, host/SDK table and TestFlight notes reviewed October 4, 2026. The Catalyst, Apple silicon and Simulator release-note details retain their September 23 or earlier review scope. No native app build or device test was performed.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A01",
        "A16",
        "A03",
        "A06",
        "A10",
        "A11",
        "A13",
        "A15"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/xcode-27-1"
      }
    },
    {
      "id": "iphone-duo/simulator",
      "language": "en",
      "title": "iPhone Duo Simulator in Xcode: Setup & Testing",
      "url": "https://plurigent.com/tutorials/iphone-duo/simulator",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/simulator/content.md",
      "description": "Set up the iPhone Duo Simulator in Xcode 27.1 beta. Install the runtime, open Device Hub and test native apps across display, fold and orientation changes.",
      "answer": "Use Xcode and Device Hub to run an iOS app on the iPhone Duo Simulator and observe display, fold and orientation changes during one continuous task. Plurigent’s Online Simulator instead previews a design or webpage; it does not execute a native iOS app or replace runtime testing.",
      "audiences": [
        "developer"
      ],
      "primaryAudience": "developer",
      "format": "guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "implement",
        "test"
      ],
      "category": "start",
      "categoryLabel": "Getting started",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Xcode 27.1 beta",
        "iPhone Duo Simulator runtime",
        "Device Hub",
        "iOS 27.1 SDK"
      ],
      "verificationStatus": "Duo toolchain entry and host table reviewed October 4, 2026. Device Hub and canvas-override instructions retain their documented source scope; listed limitations retain the September 23 release-note snapshot. No native Simulator run or physical-device measurement is claimed.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A01",
        "A06",
        "A11",
        "N01",
        "A03",
        "A10"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/simulator"
      }
    },
    {
      "id": "iphone-duo/safe-area",
      "language": "en",
      "title": "iPhone Duo Safe Area Insets & Layout Margins",
      "url": "https://plurigent.com/tutorials/iphone-duo/safe-area",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/safe-area/content.md",
      "description": "Read iPhone Duo safe-area references with their display, orientation and source conditions. Separate layout points, hardware pixels, margins and runtime reserved regions.",
      "answer": "There is no single fixed iPhone Duo safe-area inset for every window. The published outer-display portrait reference lists top 0 pt, bottom 34 pt, left 0 pt and right 84 pt. These are third-party values for the stated configuration, not universal insets for every iPhone Duo window. Read safe areas, layout margins and reserved regions in your own app context.",
      "audiences": [
        "designer",
        "developer"
      ],
      "primaryAudience": "designer",
      "format": "reference",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "learn",
        "design"
      ],
      "category": "design",
      "categoryLabel": "Design",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "iOS 27.1",
        "SwiftUI",
        "UIKit",
        "WKWebView",
        "CSS safe-area environment variables"
      ],
      "verificationStatus": "Apple hardware specifications and the default outer-portrait safearea.info view reviewed October 4, 2026. Inner-display layout values retain the September 23 reference snapshot and were not freshly retrieved. No specific Figma layer was verified. No new simulator or device measurements were performed.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "R01",
        "A14",
        "A03",
        "A12",
        "A04",
        "A18",
        "W02",
        "D01"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/safe-area"
      }
    },
    {
      "id": "iphone-duo/adaptive-layout",
      "language": "en",
      "title": "iPhone Duo Adaptive Layout: Design Across Displays",
      "url": "https://plurigent.com/tutorials/iphone-duo/adaptive-layout",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/adaptive-layout/content.md",
      "description": "Plan iPhone Duo compositions around the current window, navigation and task. Distinguish display examples from runtime size classes, reserved regions and native adaptation.",
      "answer": "Keep the user’s task recognizable while the available window changes. Plan what stays visible and what rearranges, then use current scene geometry, size classes, safe areas and reserved regions in implementation. A wider iPhone Duo window is not a separate iPad target or a fixed screen template.",
      "audiences": [
        "designer",
        "developer"
      ],
      "primaryAudience": "designer",
      "format": "guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "design",
        "implement"
      ],
      "category": "design",
      "categoryLabel": "Design",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "iOS 27.1",
        "SwiftUI",
        "UIKit",
        "WKWebView",
        "outer and inner displays",
        "Split View"
      ],
      "verificationStatus": "Selected Apple video text and the Apple Staff iPhone/iPad-target reply reviewed October 4, 2026. API names remain references, not an availability matrix or proof of compilation. No native layout or device measurements were performed.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A03",
        "Q02",
        "A05",
        "A02",
        "A17",
        "A18",
        "A04"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/adaptive-layout"
      }
    },
    {
      "id": "iphone-duo/app-testing",
      "language": "en",
      "title": "iPhone Duo App Testing Checklist",
      "url": "https://plurigent.com/tutorials/iphone-duo/app-testing",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/app-testing/content.md",
      "description": "A practical iPhone Duo app testing matrix for compatibility, fold/unfold, orientation, resizing, state restoration, safe areas, keyboard, navigation, WebView, camera, media, and regression evidence.",
      "answer": "Test one continuous user task across open, closed, rotated, folded, and multitasking states. Record the environment, transition, expected outcome, actual outcome, and evidence; separate Simulator observations from physical-device results and from Plurigent’s online design preview.",
      "audiences": [
        "developer"
      ],
      "primaryAudience": "developer",
      "format": "guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "test"
      ],
      "category": "testing",
      "categoryLabel": "Testing",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Xcode 27.1 beta",
        "iPhone Duo Simulator / Device Hub",
        "iOS 27.1",
        "SwiftUI",
        "UIKit",
        "WKWebView"
      ],
      "verificationStatus": "App Store Connect distribution notes reviewed October 4, 2026. Simulator limitations retain their September 23 release-note scope. The matrix is a proposed checklist, not a completed native test or release certification.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A03",
        "A15",
        "A10"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/app-testing"
      }
    },
    {
      "id": "iphone-duo/webview",
      "language": "en",
      "title": "iPhone Duo WKWebView Guide: Viewports, Safe Areas & Keyboards",
      "url": "https://plurigent.com/tutorials/iphone-duo/webview",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/webview/content.md",
      "description": "Coordinate native and web layout while resizing, preserve input and scroll state, and distinguish default behavior from opt-in Safari experiments. Includes a Vue example.",
      "answer": "Give WKWebView and the page clear ownership of layout, safe-area padding, input and state. Keep a responsive fallback that works without experimental flags. Safari’s opt-in fold-related APIs do not, by themselves, establish equivalent support in an app’s WKWebView.",
      "audiences": [
        "developer"
      ],
      "primaryAudience": "developer",
      "format": "reference",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "implement",
        "test"
      ],
      "category": "webview",
      "categoryLabel": "WebView",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "WKWebView",
        "Vue or similar web UI",
        "iOS 27.1 layout changes",
        "CSS viewport and safe-area handling"
      ],
      "verificationStatus": "Apple Staff’s Safari experimental-feature answer reviewed October 4, 2026; earlier WebKit viewport and scroll-anchoring references retain their dated scope. No Safari flag was changed, native code compiled or iPhone Duo WKWebView session tested.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A03",
        "W02",
        "W01",
        "Q01",
        "W03"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/webview"
      }
    },
    {
      "id": "iphone-duo/resources",
      "language": "en",
      "title": "iPhone Duo Official Resources & Source Index",
      "url": "https://plurigent.com/tutorials/iphone-duo/resources",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/resources/content.md",
      "description": "Find iPhone Duo design sessions, UI kits, presentation assets, native toolchain updates and selected Apple Staff answers, with dates and verification limits.",
      "answer": "Start with Apple’s design session and resource directory for design work, and its Duo hub and current requirements for native development. Use the dated release and TestFlight entries for version decisions. Selected written forum answers supplement the videos; they are not a review of every Group Lab.",
      "audiences": [
        "designer",
        "developer"
      ],
      "primaryAudience": "designer",
      "format": "resource",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "learn"
      ],
      "category": "resources",
      "categoryLabel": "Resources",
      "version": "0.13.1",
      "sourceVersion": "0.13.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Apple public iPhone Duo resources reviewed through 2026-09-23"
      ],
      "verificationStatus": "Selected official hub, release, distribution, design-directory and written Q&A pages reviewed October 4, 2026. The two full Group Lab recordings, concrete Figma/download files and native behavior were not re-verified; third-party references retain their own scopes.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "N03",
        "N02",
        "N01",
        "A01",
        "A15",
        "A16",
        "R01",
        "D01",
        "A14",
        "Q01",
        "Q02",
        "A02",
        "A04",
        "A09",
        "A03",
        "A05",
        "A06",
        "A10",
        "A13",
        "A07",
        "A08"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/resources"
      }
    },
    {
      "id": "iphone-duo/preview-your-design",
      "language": "en",
      "title": "Preview an iPhone Duo design in your browser",
      "url": "https://plurigent.com/tutorials/iphone-duo/preview-your-design",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/preview-your-design/content.md",
      "description": "Start an iPhone Duo browser design review with Fieldnotes, frame the device, try a Figma prototype or HTTPS webpage, and understand what scene configuration does not save.",
      "answer": "Start with the built-in example in the Online Simulator. Fit the device into the canvas, compare its poses, then try a Figma prototype or embeddable webpage. Treat the result as a design preview, not a native compatibility test.",
      "audiences": [
        "designer"
      ],
      "primaryAudience": "designer",
      "format": "guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "preview",
        "present"
      ],
      "productRelation": "tutorial",
      "category": "design",
      "categoryLabel": "Design",
      "version": "1.0.2",
      "sourceVersion": "1.0.2",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Designers and freelancers working on iPhone Duo experiences"
      ],
      "verificationStatus": "Instructions checked against Plurigent source baseline 2e6f89e on October 4, 2026. This content update does not claim a new live Figma, YouTube, native Simulator or physical-device test.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/preview-your-design"
      }
    },
    {
      "id": "iphone-duo/design-video",
      "language": "en",
      "title": "iPhone Duo design video: a designer’s viewing guide",
      "url": "https://plurigent.com/tutorials/iphone-duo/design-video",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/design-video/content.md",
      "description": "A designer’s route through Apple’s iPhone Duo session, with seven chapter links, control and sheet review prompts, and an exercise for your own layout.",
      "answer": "Use the session to turn a broad “does this adapt?” question into a few design decisions. Watch the selected chapters at Apple, then use the exercise below to compare your own layout. This page is a companion guide, not a hosted copy of the video.",
      "audiences": [
        "designer"
      ],
      "primaryAudience": "designer",
      "format": "video-guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "learn",
        "design"
      ],
      "productRelation": "related",
      "media": {
        "access": "source-page-verified",
        "chapters": [
          {
            "note": "Write down the user task that should stay recognizable.",
            "seconds": 28,
            "title": "Begin with the design goals",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=28"
          },
          {
            "note": "Sketch the same task in a compact and a wider composition.",
            "seconds": 222,
            "title": "Plan how the layout changes",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=222"
          },
          {
            "note": "Annotate navigation, frequent actions and secondary actions before making a wider composition.",
            "seconds": 307,
            "title": "Map where the controls belong",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=307"
          },
          {
            "note": "Mark which visual elements and actions need the most attention.",
            "seconds": 393,
            "title": "Review the smaller composition",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=393"
          },
          {
            "note": "Ask what added space contributes besides larger elements.",
            "seconds": 454,
            "title": "Use the extra room deliberately",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=454"
          },
          {
            "note": "Choose a sheet in your flow. Mark the action to complete it and the route back to the previous task.",
            "seconds": 516,
            "title": "Review a sheet as its own composition",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=516"
          },
          {
            "note": "List questions to verify later in the native implementation.",
            "seconds": 568,
            "title": "Inspect interactions near the fold",
            "url": "https://developer.apple.com/videos/play/tech-talks/111466/?time=568"
          }
        ],
        "checkedAt": "2026-10-04",
        "embed": "youtube-preview",
        "kind": "video",
        "publisher": "Apple",
        "reviewNote": "Apple’s chapter list and selected transcript text rechecked October 4, 2026. The existing YouTube association is retained; playback and subtitle availability were not tested. Viewing exercises are by Plurigent.",
        "sourceId": "A02",
        "url": "https://developer.apple.com/videos/play/tech-talks/111466/"
      },
      "category": "design",
      "categoryLabel": "Design",
      "version": "1.1.1",
      "sourceVersion": "1.1.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Designers and freelancers working on iPhone Duo experiences"
      ],
      "verificationStatus": "Apple’s chapter list and selected transcript text reviewed October 4, 2026. Plurigent’s prompts are original exercises. YouTube playback, subtitles, native examples and physical-device behavior were not tested.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A02"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/design-video"
      }
    },
    {
      "id": "iphone-duo/figma-design-resources",
      "language": "en",
      "title": "Figma resources for iPhone Duo design: where to start",
      "url": "https://plurigent.com/tutorials/iphone-duo/figma-design-resources",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/figma-design-resources/content.md",
      "description": "Choose between Apple UI kits, iPhone Duo presentation bezels and interactive Figma prototypes. Keep directory checks, file access and preview behavior separate.",
      "answer": "Use Apple’s UI kits for interface components, iPhone Duo product bezels for presentation framing, and your own interactive Figma prototype for a flow review. A resource-directory entry is not proof of file access, reuse permission or a verified Simulator example.",
      "audiences": [
        "designer"
      ],
      "primaryAudience": "designer",
      "format": "design-resource",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "design",
        "learn"
      ],
      "productRelation": "related",
      "media": {
        "access": "unverified",
        "checkedAt": "2026-09-26",
        "embed": "link-only",
        "kind": "figma-resource",
        "preview": "not-verified",
        "publisher": "Apple",
        "reviewNote": "The original directory lists a Figma UI kit. The file itself has not been inspected or tested in this Simulator.",
        "rightsNote": "No kit, screenshot or template is redistributed here. Check the original publisher’s usage terms before using or sharing assets.",
        "sourceId": "D01",
        "url": "https://www.figma.com/community/file/1651309003795292092/ios-and-ipados-27"
      },
      "category": "design",
      "categoryLabel": "Design",
      "version": "1.0.2",
      "sourceVersion": "1.0.2",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Designers and freelancers working on iPhone Duo experiences"
      ],
      "verificationStatus": "Apple’s design-resource directory reviewed October 4, 2026, including UI-kit and iPhone Duo bezel entries. Concrete Figma, Photoshop and PNG files were not opened or downloaded; their file contents, access, terms and Simulator behavior remain unverified.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "D01"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/figma-design-resources"
      }
    },
    {
      "id": "iphone-duo/toolbar-design-video",
      "language": "en",
      "title": "iPhone Duo toolbar design: a video guide for designers",
      "url": "https://plurigent.com/tutorials/iphone-duo/toolbar-design-video",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/toolbar-design-video/content.md",
      "description": "Use Apple’s toolbar session to plan control groups, ordering and overflow, then turn those questions into a design-review worksheet.",
      "answer": "Begin with the actions your user needs, not with a rotated toolbar mockup. Watch the selected parts of Apple’s session, then document action priority, grouping and reduced-space behavior in your own design. The worksheet below is Plurigent’s suggested process, not an SDK test.",
      "audiences": [
        "designer",
        "developer"
      ],
      "primaryAudience": "designer",
      "format": "video-guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "learn",
        "design"
      ],
      "productRelation": "related",
      "media": {
        "access": "source-page-verified",
        "chapters": [
          {
            "note": "Name the main user task before choosing where to place controls.",
            "seconds": 28,
            "title": "Understand the space being shared",
            "url": "https://developer.apple.com/videos/play/tech-talks/111462/?time=28"
          },
          {
            "note": "Mark the content area and the proposed action groups in your own sketch.",
            "seconds": 189,
            "title": "Separate the bar from the surrounding layout",
            "url": "https://developer.apple.com/videos/play/tech-talks/111462/?time=189"
          },
          {
            "note": "Compare how a reviewer finds the way back and the task completion action.",
            "seconds": 269,
            "title": "Review the action order",
            "url": "https://developer.apple.com/videos/play/tech-talks/111462/?time=269"
          },
          {
            "note": "Write a plain-language meaning beside any ambiguous symbol.",
            "seconds": 356,
            "title": "Inspect the representation of each action",
            "url": "https://developer.apple.com/videos/play/tech-talks/111462/?time=356"
          },
          {
            "note": "Sketch a second arrangement and explain your action priorities.",
            "seconds": 700,
            "title": "Plan for less available space",
            "url": "https://developer.apple.com/videos/play/tech-talks/111462/?time=700"
          },
          {
            "note": "List open questions for native implementation rather than guessing system output.",
            "seconds": 790,
            "title": "Discuss what should remain easy to find",
            "url": "https://developer.apple.com/videos/play/tech-talks/111462/?time=790"
          }
        ],
        "checkedAt": "2026-10-04",
        "embed": "youtube-preview",
        "kind": "video",
        "publisher": "Apple",
        "reviewNote": "Six chapter links and selected Apple transcript text rechecked October 4, 2026. The existing YouTube association is retained, not newly playback-tested. Design exercises are by Plurigent.",
        "sourceId": "A17",
        "url": "https://developer.apple.com/videos/play/tech-talks/111462/"
      },
      "category": "design",
      "categoryLabel": "Design",
      "version": "1.0.1",
      "sourceVersion": "1.0.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Designers and freelancers preparing iPhone Duo designs"
      ],
      "verificationStatus": "Apple’s chapter list and selected toolbar transcript text reviewed October 4, 2026. Playback, subtitles, API sample execution and native-device behavior were not tested.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "A17"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/toolbar-design-video"
      }
    },
    {
      "id": "iphone-duo/figma-prototype-preview",
      "language": "en",
      "title": "Prepare a Figma prototype for an iPhone Duo online preview",
      "url": "https://plurigent.com/tutorials/iphone-duo/figma-prototype-preview",
      "markdownUrl": "https://plurigent.com/tutorials/iphone-duo/figma-prototype-preview/content.md",
      "description": "Prepare one iPhone Duo Figma flow for browser review. Check the sharing plan, recipient access, starting point and scaling before sharing client work.",
      "answer": "Pick one reviewable flow, copy its prototype link, and check it as the intended viewer before opening it in the Online Simulator. Keep access, starting state and scaling as separate checks. A visible device model or a successful iframe load is not proof that the right design is visible.",
      "audiences": [
        "designer"
      ],
      "primaryAudience": "designer",
      "format": "guide",
      "topics": [
        "iphone-duo"
      ],
      "tasks": [
        "design",
        "preview",
        "present"
      ],
      "productRelation": "tutorial",
      "category": "design",
      "categoryLabel": "Design",
      "version": "1.0.1",
      "sourceVersion": "1.0.1",
      "updatedAt": "2026-10-04",
      "appliesTo": [
        "Designers and freelancers preparing iPhone Duo designs"
      ],
      "verificationStatus": "Figma sharing and embed documentation reviewed October 4, 2026; product instructions checked against Plurigent source baseline 2e6f89e. No private file, client account, live external prototype or end-to-end embedding session was tested.",
      "verification": "Public-source review; no device testing.",
      "sourceIds": [
        "D02",
        "D03",
        "D05",
        "D04"
      ],
      "translations": {
        "en": "https://plurigent.com/tutorials/iphone-duo/figma-prototype-preview"
      }
    }
  ],
  "tools": [
    {
      "id": "iphone-duo-playground",
      "language": "en",
      "title": "iPhone Duo Online Simulator — Design Preview",
      "url": "https://plurigent.com/simulator",
      "description": "Use the iPhone Duo Simulator online to preview Figma prototypes and webpages. Check display sizes, fold states and safe areas in your browser.",
      "verification": "Display presets and system-bar geometry follow our Safe Area and Figma design references, with 1 reference pt mapped to 1 CSS px before zoom. Compression rules, timing, gestures and fold shading remain illustrative. Angle changes the device drawing; the selected pose and reserved regions drive layout. Confirm native behavior in Device Hub and on a device."
    }
  ],
  "sources": [
    {
      "checkedAt": "2026-10-04",
      "id": "A01",
      "publisher": "Apple Developer",
      "scope": "Duo hub and linked toolchain entry reviewed October 4: it still points to Xcode 27.1 beta. Linked pages, full videos and native execution require separate checks.",
      "title": "Get ready for iPhone Duo",
      "url": "https://developer.apple.com/iphone-duo/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A02",
      "publisher": "Apple Developer",
      "scope": "Official chapter index and selected design transcript passages reviewed October 4. Seven existing chapter offsets match. No YouTube playback, subtitles or native-device verification.",
      "title": "Design for iPhone Duo",
      "url": "https://developer.apple.com/videos/play/tech-talks/111466/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A03",
      "publisher": "Apple Developer",
      "scope": "Selected preparation transcript passages reviewed October 4 for system containers and task continuity. No native SDK compilation or device/runtime measurement.",
      "title": "Prepare your app for iPhone Duo",
      "url": "https://developer.apple.com/videos/play/tech-talks/111461/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A04",
      "publisher": "Apple Developer",
      "scope": "Selected adaptive-layout transcript passages reviewed October 4. Layout arrangements/reserved regions are references, not a new API-availability or native execution proof.",
      "title": "Strike a pose with adaptive layouts on iPhone Duo",
      "url": "https://developer.apple.com/videos/play/tech-talks/111463/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A05",
      "publisher": "Apple Developer",
      "scope": "Selected multi-display transcript passages reviewed October 4 for layout versus hinge-driven effects. No multi-scene, camera or hinge-sensor execution test.",
      "title": "Leverage multiple displays and scenes on iPhone Duo",
      "url": "https://developer.apple.com/videos/play/tech-talks/111464/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A06",
      "publisher": "Apple Developer",
      "scope": "Current table reviewed October 4 for Xcode 27.1 host/SDK/Swift entries. This table check did not independently establish every earlier Apple silicon release-note requirement.",
      "title": "Xcode SDKs and system requirements",
      "url": "https://developer.apple.com/xcode/system-requirements"
    },
    {
      "checkedAt": "2026-09-20",
      "id": "A07",
      "publisher": "Apple Developer",
      "scope": "Page description only. No complete video or Q&A verification and no inferred timestamps.",
      "title": "iPhone Duo Group Lab · 285",
      "url": "https://developer.apple.com/videos/play/meet-with-apple/285/"
    },
    {
      "checkedAt": "2026-09-20",
      "id": "A08",
      "publisher": "Apple Developer",
      "scope": "Page description only. Kept separate from session 285; answers are not combined.",
      "title": "iPhone Duo Group Lab · 286",
      "url": "https://developer.apple.com/videos/play/meet-with-apple/286/"
    },
    {
      "checkedAt": "2026-09-20",
      "id": "A09",
      "publisher": "Apple Developer",
      "scope": "Linked from Apple’s official overview. Full text was not available to the original review; not used as the sole basis for a specific rule.",
      "title": "Designing for iPhone Duo · Human Interface Guidelines",
      "url": "https://developer.apple.com/design/human-interface-guidelines/designing-for-iphone-duo"
    },
    {
      "checkedAt": "2026-09-20",
      "id": "W01",
      "publisher": "WebKit",
      "scope": "Dynamic viewport-unit explanation reviewed. Historical web-platform background, not iPhone Duo WebView certification.",
      "title": "New WebKit Features in Safari 15.4",
      "url": "https://webkit.org/blog/12445/new-webkit-features-in-safari-15-4/"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "A10",
      "publisher": "Apple Developer",
      "scope": "Xcode 27.1 beta release-note snapshot reviewed September 23, 2026. Retained Simulator/Catalyst/preview details were not fully re-read or reproduced in the October 4 content update; check the exact current build.",
      "title": "Xcode 27.1 Beta Release Notes",
      "url": "https://developer.apple.com/documentation/xcode-release-notes/xcode-27_1-release-notes"
    },
    {
      "checkedAt": "2026-09-21",
      "id": "A11",
      "publisher": "Apple Developer",
      "scope": "Earlier Xcode 27 release-note review supports the retained Apple silicon requirement. The full dynamic note body was not independently re-read on October 4; host-table checks have a separate source.",
      "title": "Xcode 27 Release Notes",
      "url": "https://developer.apple.com/documentation/xcode-release-notes/xcode-27-release-notes"
    },
    {
      "checkedAt": "2026-09-21",
      "id": "A12",
      "publisher": "Apple Developer",
      "scope": "Reviewed the runtime meaning of UIView safe-area insets and their relationship to bars and view hierarchy.",
      "title": "UIView.safeAreaInsets",
      "url": "https://developer.apple.com/documentation/uikit/uiview/safeareainsets"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "A13",
      "publisher": "Apple Developer",
      "scope": "Earlier Xcode 27.2 beta note snapshot. The latest beta 2 note body was not fully available for October 4 review; current version/build comes from A16, and no compatibility or resolved-issue conclusion is inferred.",
      "title": "Xcode 27.2 Beta Release Notes",
      "url": "https://developer.apple.com/documentation/xcode-release-notes/xcode-27_2-release-notes"
    },
    {
      "checkedAt": "2026-09-21",
      "id": "W02",
      "publisher": "WebKit",
      "scope": "Reviewed viewport-fit=cover and CSS env(safe-area-inset-*) behavior as web-platform background for edge-to-edge layouts; this source is not iPhone Duo-specific.",
      "title": "Designing Websites for iPhone X",
      "url": "https://webkit.org/blog/7929/designing-websites-for-iphone-x/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "R01",
      "publisher": "safearea.info",
      "scope": "Default outer-portrait reference reviewed October 4. Inner-layout values retain the September 23 snapshot; dynamic inner state was not freshly obtained. Third-party reference, not a universal or newly measured app inset.",
      "title": "iPhone Duo safe-area reference",
      "url": "https://safearea.info/iphone-duo"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "D01",
      "publisher": "Apple Design Resources",
      "scope": "Apple directory reviewed October 4 for UI-kit and iPhone Duo Photoshop/PNG bezel entries. Concrete files, permissions, asset terms and Simulator preview were not checked.",
      "title": "Apple Design Resources · UI kits and product bezels",
      "url": "https://developer.apple.com/design/resources/"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "N01",
      "publisher": "Apple Developer",
      "scope": "September 18 announcement: Xcode 27.1 beta, updated Figma/Sketch kits and workshops. Availability announcement, not a device test.",
      "title": "Build for iPhone Duo with new resources",
      "url": "https://developer.apple.com/news/?id=nyuppv9r"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "N02",
      "publisher": "Apple Developer",
      "scope": "September 16 announcement: iOS 27.1 is the iPhone Duo launch OS. Its future-tense toolchain note predates the September 18 release.",
      "title": "Get ready with the latest beta releases",
      "url": "https://developer.apple.com/news/?id=rfb1rooi"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "N03",
      "publisher": "Apple Newsroom",
      "scope": "September 9 announcement: launch dates, US starting price, finishes and display sizes. Planned availability is not current retail availability.",
      "title": "Apple unveils iPhone Duo",
      "url": "https://www.apple.com/newsroom/2026/09/apple-unveils-iphone-duo/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A14",
      "publisher": "Apple",
      "scope": "Hardware display pixels and pixel densities checked October 4. These are physical specifications, not app safe-area, point-grid or runtime measurements.",
      "title": "iPhone Duo Technical Specifications",
      "url": "https://www.apple.com/iphone-duo/specs/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A15",
      "publisher": "Apple Developer",
      "scope": "September 18 and 28, 2026 TestFlight entries reviewed October 4. Beta-build acceptance is not Duo runtime compatibility or public App Store submission approval.",
      "title": "App Store Connect release notes",
      "url": "https://developer.apple.com/help/app-store-connect/release-notes/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A16",
      "publisher": "Apple Developer",
      "scope": "Release index reviewed October 4: 27.1 beta 27A9269 (September 18) and 27.2 beta 2 27B5028f (September 28). Index entries do not establish release-note fixes or SDK compatibility.",
      "title": "Apple developer releases",
      "url": "https://developer.apple.com/news/releases/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "A17",
      "publisher": "Apple Developer",
      "scope": "Official six-chapter index and selected toolbar transcript reviewed October 4. No playback, subtitle, compiled sample or native behavior check.",
      "title": "Raise the bar with iPhone Duo",
      "url": "https://developer.apple.com/videos/play/tech-talks/111462/"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "A18",
      "publisher": "Apple Developer",
      "scope": "Reviewed the official Markdown documentation on resizing, scene geometry, bars, arrangements, reserved regions and camera handling. No native implementation tested.",
      "title": "Preparing your app for iPhone Duo",
      "url": "https://developer.apple.com/documentation/technologyoverviews/preparing-your-app-for-iphone-duo"
    },
    {
      "checkedAt": "2026-09-23",
      "id": "W03",
      "publisher": "WebKit",
      "scope": "Reviewed scroll anchoring and related scrolling fixes. Safari release information is not a claim of iPhone Duo WKWebView runtime verification.",
      "title": "WebKit Features for Safari 27.0",
      "url": "https://webkit.org/blog/18325/webkit-features-for-safari-27-0/"
    },
    {
      "checkedAt": "2026-09-26",
      "id": "D02",
      "publisher": "Figma",
      "scope": "Official text reviewed for flows, starting points and presentation access. No specific file or account was opened.",
      "title": "Guide to prototyping in Figma",
      "url": "https://help.figma.com/hc/en-us/articles/360040314193-Guide-to-prototyping-in-Figma"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "D03",
      "publisher": "Figma",
      "scope": "Sharing documentation reviewed October 4: prototype-only sharing is plan-dependent; Starter viewers can open the source file. No actual account, client file or recipient-access test.",
      "title": "Share files and prototypes",
      "url": "https://help.figma.com/hc/en-us/articles/360040531773-Share-files-and-prototypes"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "D04",
      "publisher": "Figma Developer Docs",
      "scope": "Official embed parameters reviewed October 4. Container scaling and content scaling are distinct; no live file, embed playback or adaptive-layout result is verified.",
      "title": "Embed a Figma prototype",
      "url": "https://developers.figma.com/docs/embeds/embed-figma-prototype/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "D05",
      "publisher": "Figma Developer Docs",
      "scope": "Official embedding access rules reviewed October 4. Embedded files retain source permissions, password and organization controls. No permissions changed or login/session tested.",
      "title": "Figma embeds: security and access",
      "url": "https://developers.figma.com/docs/embeds/security-access/"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "Q01",
      "publisher": "Apple Developer Forums · Apple Staff",
      "scope": "Selected written answers reviewed: opt-in Safari experiments and container distinctions. Not a full Group Lab video review, SDK availability table or live execution test.",
      "title": "Apple Staff · A Summary of the iPhone Duo Group Lab",
      "url": "https://origin-devforums.apple.com/forums/thread/847644"
    },
    {
      "checkedAt": "2026-10-04",
      "id": "Q02",
      "publisher": "Apple Developer Forums · Frameworks Engineer",
      "scope": "Written answer reviewed for .phone idiom and optional iPad target. Not a compiled target configuration or device-trait measurement.",
      "title": "Apple Staff · iPhone Duo and iPad target support",
      "url": "https://developer.apple.com/forums/thread/847945"
    }
  ]
}