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            "spec_url": "https://tc39.es/ecma262/#sec-symbol.tostringtag",
            "support": {
              "chrome": {
                "version_added": "49"
              },
              "chrome_android": {
                "version_added": "49"
              },
              "edge": {
                "version_added": "15"
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              "firefox": {
                "version_added": "51"
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                "version_added": "51"
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                "version_added": true
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              "opera_android": {
                "version_added": true
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                "version_added": true
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                "version_added": true
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                "version_added": "5.0"
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              "webview_android": {
                "version_added": "49"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
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          }
        },
        "unscopables": {
          "__compat": {
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            "spec_url": "https://tc39.es/ecma262/#sec-symbol.unscopables",
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                "version_added": "45"
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                "version_added": "12"
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                "version_added": true
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            "status": {
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        },
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                "version_added": "38"
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                "version_added": "25"
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                "version_added": "25"
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              "webview_android": {
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            "status": {
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          }
        },
        "@@toPrimitive": {
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                "version_added": "47"
              },
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                "version_added": "47"
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                "version_added": null
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              "opera": {
                "version_added": "34"
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              "opera_android": {
                "version_added": "34"
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              "safari": {
                "version_added": null
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        }
      }
    }
  }
}
<commit_msg>Symbol.prototype.description is now in the ES spec (#5205)<commit_after>{
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              "version_added": "38"
            },
            "chrome_android": {
              "version_added": "38"
            },
            "edge": {
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              "notes": "Edge 12 included Symbol properties in <code>JSON.stringify()</code> output."
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              "version_added": "36"
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            "firefox_android": {
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        },
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                "version_added": "63"
              },
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          }
        },
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            "spec_url": "https://tc39.es/ecma262/#sec-symbol.prototype.description",
            "support": {
              "chrome": {
                "version_added": "70"
              },
              "chrome_android": {
                "version_added": "70"
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                "version_added": false
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                "version_added": "40"
              },
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                "version_added": true
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          }
        },
        "hasInstance": {
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            "spec_url": "https://tc39.es/ecma262/#sec-symbol.hasinstance",
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                "version_added": "50"
              },
              "chrome_android": {
                "version_added": "50"
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              ],
              "opera": {
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                "version_added": true
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          }
        },
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              },
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            "status": {
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            }
          }
        },
        "keyFor": {
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            "spec_url": "https://tc39.es/ecma262/#sec-symbol.keyfor",
            "support": {
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                "version_added": "40"
              },
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                "version_added": true
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                "version_added": true
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              }
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            "status": {
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              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "match": {
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            "support": {
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                "version_added": "50"
              },
              "chrome_android": {
                "version_added": "50"
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            "status": {
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          }
        },
        "matchAll": {
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            "support": {
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                "version_added": "73"
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              "chrome_android": {
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                "version_added": "67"
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                "version_added": true
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        },
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          }
        },
        "search": {
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            },
            "status": {
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          }
        },
        "species": {
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{'dir': 'git-commits-cleaned', 'id': '2990606', 'n_tokens_mistral': 18807, 'n_tokens_neox': 17642, 'n_words': 2437}