{
  "date": "2026-09-06",
  "version": "1.3.0-rc.6",
  "application_commit": "59ab4c2",
  "server_tools_commit": "708bfc2",
  "build_time": "2026-09-06T17:37:55Z",
  "atlas_task": "da602d16-fa27-4817-92e5-f6c655502c4a",
  "fixes": [
    "Use the installed mpv native --register/--unregister operations, matching the bundled mpv-register.bat. Disable user config/scripts and bound the owned command after the commit guard.",
    "Verify native App Paths, Applications/mpv.exe SupportedTypes, capabilities and open handlers; native errors can otherwise return exit zero. Retire legacy manager registration only after verified success.",
    "Only unregister a complete native registration owned by the selected executable; preserve another installation and refuse changed/incomplete state.",
    "Require a disposable Windows account for browser installation/registration mutations because HOME/APPDATA overrides do not isolate registry discovery or Known Folders."
  ],
  "upstream_registration_source": "https://github.com/mpv-player/mpv/blob/876ba7b283/osdep/w32_register.c",
  "validation": {
    "go_test_race_all": "passed",
    "make_lint": "passed",
    "npm_test": "182 passed",
    "frontend_vendor_check": "passed",
    "six_target_build": "passed",
    "native_windows_regressions": "Command guard/config isolation and actual native registrar tests passed. Disposable-account integration covers registration/removal, legacy migration, other-path preservation, incomplete zero-exit detection/refusal and repair.",
    "browser_application": "Windows/macOS/Linux each passed 22 routes, signed metadata availability, unauthorized API rejection and clean shutdown.",
    "windows_installation_lifecycle": "RC6 lifecycle rerun is incomplete: initial owner-account run timed out waiting for /api/install/job because discovery could see the owner registry despite redirected HOME. Mutation runs were stopped and the harness now requires a disposable account. RC5 successful install/update/uninstall/reinstall remains historical evidence, not an RC6 pass."
  },
  "manifest": {
    "url": "https://mpv.rocks/api/releases/rc.json",
    "sha256": "ab83a14d4e969ed75428f448154a1b95f8bd11e282f4cbefa6f9321fa97fadc5",
    "channel": "rc",
    "key_id": "rc-2026-09",
    "published_at": "2026-09-06T17:39:36Z",
    "public_bytes_match_signed_output": true
  },
  "legacy": {
    "version": "1.2.0",
    "unchanged_by_rc6_publication": true,
    "sha256": "7375977cd15bde6e126bbce67fcae2f52e7b804b94c86a7cc6f4940e8f22133e",
    "timer": "active",
    "stable_manifest": "absent"
  },
  "artifacts": [
    {
      "file": "mpv-manager-linux-amd64",
      "url": "https://mpv.rocks/api/releases/artifacts/v1.3.0-rc.6/mpv-manager-linux-amd64",
      "size": 29499552,
      "sha256": "fff956c9309d8a239d6193f1f55616fdee93f5296bc947b26d633b14b8e25942",
      "blake3": "940d0e2474aec2298f6eca0d47e28307535926e6351acb307ae4752796596e8a",
      "public_bytes_match_local": true
    },
    {
      "file": "mpv-manager-linux-arm64",
      "url": "https://mpv.rocks/api/releases/artifacts/v1.3.0-rc.6/mpv-manager-linux-arm64",
      "size": 28246176,
      "sha256": "feec5ec3c3005fa30d36b9394ad6721b789920431953a52dde80375eb71dafe7",
      "blake3": "46d8b8db17bf6c7eccdb948b896d5e99971d2dc72cfb87751c4adecb2ca08645",
      "public_bytes_match_local": true
    },
    {
      "file": "mpv-manager-win-x86_64.exe",
      "url": "https://mpv.rocks/api/releases/artifacts/v1.3.0-rc.6/mpv-manager-win-x86_64.exe",
      "size": 29769728,
      "sha256": "028adca411768d1b14a944e373e3b033d1d201323739d85ff7891a23f6131901",
      "blake3": "d80562c0fc1d97b060d9a997cb4206315c0d49675622c93269e0c2eff54e1848",
      "public_bytes_match_local": true
    },
    {
      "file": "mpv-manager-win-arm64.exe",
      "url": "https://mpv.rocks/api/releases/artifacts/v1.3.0-rc.6/mpv-manager-win-arm64.exe",
      "size": 28266496,
      "sha256": "4fe0aea072b3ffd30d6b2640c39ac2bdc67933735c275b7b32dd7730ad9c89de",
      "blake3": "77eff56d898322fd5ff610a0edf689dd7719503fdc08c7473958961d428a0926",
      "public_bytes_match_local": true
    },
    {
      "file": "mpv-manager-macos-intel",
      "url": "https://mpv.rocks/api/releases/artifacts/v1.3.0-rc.6/mpv-manager-macos-intel",
      "size": 29488448,
      "sha256": "89668e0752c3ace67e13978b24c208864bd7657921d93e8506522f337b1cda45",
      "blake3": "2b1fafa268afcc199b00b7bd34e534b91d54d9d7e6ac4a5373ea0f9977211b14",
      "public_bytes_match_local": true
    },
    {
      "file": "mpv-manager-macos-arm",
      "url": "https://mpv.rocks/api/releases/artifacts/v1.3.0-rc.6/mpv-manager-macos-arm",
      "size": 28409602,
      "sha256": "da0f74308f936f408b8b0730c3d0122a7af6ee5e783ad2a127d07c5ab0453573",
      "blake3": "22397d1abb865ff00558fcf13ef85942bec4bab6d8108becc846f3dee6647fda",
      "public_bytes_match_local": true
    }
  ],
  "upstream_mirrors": "Unchanged original reviewed Windows mpv/FFmpeg bytes and immutable URLs from RC4; see results-rc4.json for public digest/size verification and source replacement evidence.",
  "application_smoke": {
    "windows": {
      "identity": {
        "product": "mpv-manager",
        "component": "manager-portable",
        "version": "1.3.0-rc.6",
        "goos": "windows",
        "goarch": "amd64",
        "build_time": "2026-09-06T17:37:55Z",
        "git_commit": "59ab4c2"
      },
      "manifest": {
        "status": 200,
        "data": {
          "available": true,
          "version": "1.3.0-rc.6"
        }
      },
      "routeChecks": 22,
      "unauthenticatedAPI": 401,
      "shutdown": 200,
      "exitCode": 0,
      "errors": []
    },
    "macos": {
      "identity": {
        "product": "mpv-manager",
        "component": "manager-portable",
        "version": "1.3.0-rc.6",
        "goos": "darwin",
        "goarch": "arm64",
        "build_time": "2026-09-06T17:37:55Z",
        "git_commit": "59ab4c2"
      },
      "manifest": {
        "status": 200,
        "data": {
          "available": true,
          "version": "1.3.0-rc.6"
        }
      },
      "routeChecks": 22,
      "unauthenticatedAPI": 401,
      "shutdown": 200,
      "exitCode": 0,
      "errors": []
    },
    "linux": {
      "identity": {
        "product": "mpv-manager",
        "component": "manager-portable",
        "version": "1.3.0-rc.6",
        "goos": "linux",
        "goarch": "amd64",
        "build_time": "2026-09-06T17:37:55Z",
        "git_commit": "59ab4c2"
      },
      "manifest": {
        "status": 200,
        "data": {
          "available": true,
          "version": "1.3.0-rc.6"
        }
      },
      "routeChecks": 22,
      "unauthenticatedAPI": 401,
      "shutdown": 200,
      "exitCode": 0,
      "errors": []
    }
  },
  "owner_requested_registration": {
    "registered": true,
    "sha256": "2091ece5a09dcdf4f2c7636b5807f9275dd5c6c1b5e138eae3df020de11b703b",
    "session": 2,
    "supportedTypes": [
      ".zip",
      ".rar",
      ".7z",
      ".cbz",
      ".cbr",
      ".aac",
      ".ac3",
      ".aiff",
      ".ape",
      ".au",
      ".dts",
      ".eac3",
      ".flac",
      ".m4a",
      ".mka",
      ".mp1",
      ".mp2",
      ".mp3",
      ".mpc",
      ".oga",
      ".ogg",
      ".ogm",
      ".opus",
      ".tak",
      ".thd",
      ".tta",
      ".wav",
      ".wma",
      ".wv",
      ".avif",
      ".bmp",
      ".gif",
      ".heic",
      ".heif",
      ".j2k",
      ".jp2",
      ".jpeg",
      ".jpg",
      ".jxl",
      ".png",
      ".qoi",
      ".svg",
      ".tga",
      ".tif",
      ".tiff",
      ".webp",
      ".cue",
      ".edl",
      ".m3u",
      ".m3u8",
      ".pls",
      ".strm",
      ".3g2",
      ".3gp",
      ".avi",
      ".flv",
      ".ivf",
      ".m2ts",
      ".m4v",
      ".mj2",
      ".mkv",
      ".mov",
      ".mp4",
      ".mpeg",
      ".mpg",
      ".mxf",
      ".ogv",
      ".rmvb",
      ".ts",
      ".webm",
      ".wmv",
      ".y4m"
    ]
  },
  "windows_chooser": {
    "mkv": "mpv visibly offered under Suggested apps",
    "aac": "mpv visibly offered under Suggested apps",
    "evidence": [
      "rc6-chooser-mkv.png",
      "rc6-chooser-aac.png"
    ],
    "verification": "Actual Settings popup screenshots visually inspected; UI Automation did not expose popup rows, so this is not an automated accessibility assertion.",
    "default_selection_changed": false
  },
  "disposable_native_account_cleanup": {
    "ownerRegistrationRetained": true,
    "profileRemoved": true,
    "accountRemoved": true,
    "temporaryTasksRemoved": true,
    "credentialFilesRemoved": true
  },
  "remaining": [
    "Owner manual acceptance, including actual file-type selection in Windows Settings; a successful launch is not proof of chosen defaults.",
    "Browser-download quarantine/SmartScreen/Gatekeeper and permission outcomes.",
    "Historical-client bootstrap, stable production trust/authorization, protected release-chain rehearsal and final approval.",
    "Windows arm64, macOS Intel and Linux arm64 native coverage or owner exception.",
    "Platform signing remains deferred to v1.4.0."
  ],
  "publication": "RC6 only; earlier immutable RC artifacts retained; no Git push or final stable release."
}