{
  "webextensions": {
    "manifest": {
      "content_scripts": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions/manifest.json/content_scripts",
          "support": {
            "chrome": {
              "version_added": true,
              "notes": "Content scripts are not applied to tabs already open when the extension is loaded."
            },
            "edge": {
              "version_added": "14"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "opera": {
              "version_added": true,
              "notes": "Content scripts are not applied to tabs already open when the extension is loaded."
            },
            "safari": {
              "version_added": "14",
              "notes": "Content scripts are not applied to tabs until the user grants permission via the extension's access popover in the toolbar."
            }
          }
        },
        "all_frames": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "css": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "exclude_globs": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              }
            }
          }
        },
        "exclude_matches": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "include_globs": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              }
            }
          }
        },
        "js": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "match_about_blank": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "52",
                "notes": "Content scripts won't be injected into empty iframes at 'document_start' even if you specify that value in 'run_at'."
              },
              "firefox_android": {
                "version_added": "52",
                "notes": "Content scripts won't be injected into empty iframes at 'document_start' even if you specify that value in 'run_at'."
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              }
            }
          }
        },
        "matches": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14"
              }
            }
          }
        },
        "run_at": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "edge": {
                "version_added": "14"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "opera": {
                "version_added": true
              },
              "safari": {
                "version_added": "14",
                "notes": "Content scripts are not applied to tabs until the user grants permission via the extension's access popover in the toolbar. Additional loads after permission is granted will respect <code>run_at</code>."
              }
            }
          }
        }
      }
    }
  }
}