Validation says data_collection_permissions missing, but exists in manifest? (original) (raw)

September 19, 2025, 12:01am 1

I must be doing… something wrong with how I used the data_collection_permissions entry. I want to do things right with my first uploaded extension. Sadly, I can’t even upload my issue because new users can’t upload attachments.

So here’s my manifest – for readability, copy into any AI or code editor and have it redo the indents:
{“manifest_version”:2,“name”:“LMArenaPersonalLeaderboard”,“version”:“1.0”,“description”:“TrackyourAImodelpreferencesonlmarena.ai”,“permissions”:[“storage”,“unlimitedStorage”,“``https://lmarena.ai/*"],“content_scripts”:[{“matches”:[“https://lmarena.ai/*”],“js”:[“content-script.js”],“run_at”:“document_idle”}],“browser_action”:{“default_popup”:“popup.html”,“default_icon”:{“48”:“icon.png”},“browser_style”:true},“web_accessible_resources”:[“js/*.js”],“browser_specific_settings”:{“gecko”:{“id”:“lmarena-tracker@local”,“strict_min_version”:“79.0”}},“data_collection_permissions”:{“storage”:{“description”:“Storesyourvotinghistorylocallyonyourdevice.Nodataissenttoexternalservers.”},“websiteContent”:{“description”:“Readsmatchresultsandmodelnamesfromlmarena.aitotrackyourvotes.”,“required”:true,“dataTypes”:[“TextcontentfromLMArenamatches”]},“websiteActivity”:{“description”:“Tracksyourvotesonlmarena.aitomaintainyourpersonalleaderboard.”,“required”:true,“dataTypes”:[“Voteactions”,“Modelpreferences”]},“browsingActivity”:{“description”:“Detectswhenyou’reonlmarena.aitoenablevotetracking.”,“required”:true,“dataTypes”:[“URLmatchesforlmarena.aidomainonly”]}},“icons”:{“48”:"icon.png”``}}

And here’s the issue:
General Tests

0 errors, 0 warnings, 1 notice

The “data_collection_permissions” property is missing.

Warning: “/browser_specific_settings/gecko/data_collection_permissions” property will be required in the future. Please add this key to the manifest. More information at: https://mzl.la/blog-data-consent-firefox-nightly

manifest.json

hans_squared (Hans Squared) September 19, 2025, 8:09am 2

“data_collection_permissions” needs to be under “gecko”, according to New Extension Data Consent Experience now available in Firefox Nightly

Prettified (but not corrected) manifest:

{
   "manifest_version": 2,
   "name": "LMArena Personal Leaderboard",
   "version": "1.0",
   "description": "Track your AI model preferences on lmarena.ai",
   "permissions": [
      "storage",
      "unlimitedStorage",
      "https://lmarena.ai/*"
   ],
   "content_scripts": [
      {
         "matches": [
            "https://lmarena.ai/*"
         ],
         "js": [
            "content-script.js"
         ],
         "run_at": "document_idle"
      }
   ],
   "browser_action": {
      "default_popup": "popup.html",
      "default_icon": {
         "48": "icon.png"
      },
      "browser_style": true
   },
   "web_accessible_resources": [
      "js/*.js"
   ],
   "browser_specific_settings": {
      "gecko": {
         "id": "lmarena-tracker@local",
         "strict_min_version": "79.0"
      }
   },
   "data_collection_permissions": {
      "storage": {
         "description": "Stores your voting history locally on your device. No data is sent to external servers."
      },
      "websiteContent": {
         "description": "Reads match results and model names from lmarena.ai to track your votes.",
         "required": true,
         "dataTypes": [
            "Text content from LMArena matches"
         ]
      },
      "websiteActivity": {
         "description": "Tracks your votes on lmarena.ai to maintain your personal leaderboard.",
         "required": true,
         "dataTypes": [
            "Vote actions",
            "Model preferences"
         ]
      },
      "browsingActivity": {
         "description": "Detects when you're on lmarena.ai to enable vote tracking.",
         "required": true,
         "dataTypes": [
            "URL matches for lmarena.ai domain only"
         ]
      }
   },
   "icons": {
      "48": "icon.png"
   }
}

dewayx September 20, 2025, 10:42pm 3

This corrupted the extension. New manifest:

{
  "manifest_version": 2,
  "name": "LMArena Personal Leaderboard",
  "version": "1.0",
  "description": "Track your AI model preferences on lmarena.ai",
  
  "permissions": [
    "storage",
    "unlimitedStorage",
    "https://lmarena.ai/*"
  ],
  
  "content_scripts": [
    {
      "matches": ["https://lmarena.ai/*"],
      "js": ["content-script.js"],
      "run_at": "document_idle"
    }
  ],
  
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icon.png"
    },
    "browser_style": true
  },

  "web_accessible_resources": [
    "js/*.js"
  ],
  
  "browser_specific_settings": {
    "gecko": {
      "id": "lmarena-tracker@local",
      "strict_min_version": "79.0",
      "data_collection_permissions": {
        "storage": {
          "description": "Stores your voting history locally on your device. No data is sent to external servers.",
          "required": true,
          "dataTypes": ["Local storage of voting history"]
        },
        "websiteContent": {
          "description": "Reads match results and model names from lmarena.ai to track your votes.",
          "required": true,
          "dataTypes": ["Text content from LM Arena matches"]
        },
        "websiteActivity": {
          "description": "Tracks your votes on lmarena.ai to maintain your personal leaderboard.",
          "required": true,
          "dataTypes": ["Vote actions", "Model preferences"]
        },
        "browsingActivity": {
          "description": "Detects when you're on lmarena.ai to enable vote tracking.",
          "required": true,
          "dataTypes": ["URL matches for lmarena.ai domain only"]
        }
      }
    }
  },
  
  
  "icons": {
    "48": "icon.png"
  }
}

What am I doing wrong now?

Nevermind, I think I see what I’m doing wrong. That’s not even firefox’ format for data collection permissions xD