{
  "title": "Pixel Perfect",
  "name": "pixel-perfect",
  "version": "2.0.0-alpha.0",
  "id": "pixelperfectplugin@openhouseconcepts.com",
  "description": "Make your web development Pixel Perfect",
  "main": "index.js",
  "author": "Jan Odvarko (Mozilla Corp.)",
  "engines": {
    "firefox": ">=37.0a2"
  },
  "license": "BSD License",
  "icon": "chrome://pixelperfect/skin/logo_32x32.png",
  "preferences-branch": "pixelperfect",
  "preferences": [{
    "name": "firstRun",
    "title": "Execute first run experience",
    "description": "Specifies whether to show notification message when the extension is installed or upgraded etc.",
    "type": "bool",
    "value": true
  }]
}

{
  "title": "Pixel Perfect",
  "name": "pixel-perfect",
  "version": "2.0.0-alpha.0",
  "id": "pixelperfectplugin@openhouseconcepts.com",
  "description": "Make your web development Pixel Perfect",
  "main": "index.js",
  "author": "Jan Odvarko (Mozilla Corp.)",
  "engines": {
    "firefox": ">=36.0"
  },
  "license": "BSD License",
  "icon": "chrome://pixelperfect/skin/logo_32x32.png",
  "preferences-branch": "pixelperfect",
  "preferences": [{
    "name": "firstRun",
    "title": "Execute first run experience",
    "description": "Specifies whether to show notification message when the extension is installed or upgraded etc.",
    "type": "bool",
    "value": true
  }]
}

Change min supported browser version
Change min supported browser version
