The Product-Details JSON API

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Product Details is a public JSON API which contains release information for Firefox (desktop and mobile) and Thunderbird. The data is managed by the Release Management team through Ship-it and exported available at this domain:

https://product-details.mozilla.org/

The data provided by this API is meant to be the source of truth for all tools needing to know specific information about a Firefox release or channel.

Historically that data was managed with direct commits into a code repository on svn. The current version of the API is 1.0 and is meant to be fully compatible with the version we had hosted on svn. If we rewrite the structure of these files in the future, this will be done in version 2.0 and there will be a transition period during which both 1.0 and 2.0 are available.

There is a copy of the product-details files on GitHub which is synced to product-details.mozilla.org.

Since this data is managed via Ship-It, bug reports about the data or requests for additional data should be done on bugzilla in Release Engineering::Ship-It and not through the Github Repository.

Here is the list of files we provide:

all.json

This file holds historical information about all Firefox, Firefox for Android (aka Fennec and Fenix), Firefox Dev Edition and Thunderbird releases we shipped in the past. Example: 

"firefox-58.0": {
    "category":           "major",
    "product":            "firefox",
    "build_number":       6,
    "description":        "",
    "is_security_driven": false,
    "version":            "58.0",
    "date":               "2018-01-23",
}

devedition.json

This file is a recent addition and contains the same historical information as all.json but only for Firefox Dev Edition since version 54. Note the name of the key: devedition-XX.0bY. 

"devedition-59.0b1": {
    "category":           "dev",
    "product":            "devedition",
    "build_number":       11,
    "description":        "",
    "is_security_driven": false,
    "version":            "59.0b1",
    "date":               "2018-01-17",
}

firefox.json

This file holds historical information about all Firefox releases for desktop we shipped in the past.

firefox_history_development_releases.json

This file contains all the Firefox Desktop release dates for Betas example: 

{
    …
    "59.0b11": "2018-02-20",
    "59.0b12": "2018-02-23",
    "59.0b13": "2018-02-27",
    "59.0b14": "2018-03-02",
    …
}

firefox_history_major_releases.json

This file contains all the Firefox Desktop release dates for major releases (XX.0 releases)

firefox_history_stability_releases.json

This file contains all the Firefox Desktop release dates for minor releases (XX.X.Y releases)

firefox_primary_builds.json

This file contains all the Firefox builds we provide per locale. The filesize fields in this file are always set to 0, this is not a bug, we are keeping these fields with this schema for historical reasons only but no longer populate them with data. ex: 

{
    "ach": {
        "52.6.0esr": {
            "Linux": {
                "filesize": 0,
            },
            "OS X": {
                "filesize": 0,
            },
            "Windows": {
                "filesize": 0,
            },
        },
        "54.0a2": {
            "Linux": {
                "filesize": 0,
            },
            "OS X": {
                "filesize": 0,
            },
            "Windows": {
                "filesize": 0,
            },
        },
        "58.0.2": {
            "Linux": {
                "filesize": 0,
            },
            "OS X": {
                "filesize": 0,
            },
            "Windows": {
                "filesize": 0,
            },
        },
        "52.6.0esr": {
            "Linux": {
                "filesize": 0,
            },
            "OS X": {
                "filesize": 0,
            },
            "Windows": {
                "filesize": 0,
            },
        },
        "60.0a1": {
            "Linux": {
                "filesize": 0,
            },
            "OS X": {
                "filesize": 0,
            },
            "Windows": {
                "filesize": 0,
            },
        },
    }
}


firefox_versions.json

This file contains all the versions we ship for Firefox for Desktop: 

{
    "FIREFOX_AURORA": "",
    "FIREFOX_DEVEDITION": "104.0b2",
    "FIREFOX_ESR": "91.12.0esr",
    "FIREFOX_ESR_NEXT": "102.1.0esr",
    "FIREFOX_NIGHTLY": "105.0a1",
    "LAST_MERGE_DATE": "2022-07-25",
    "LAST_RELEASE_DATE": "2022-07-26",
    "LAST_SOFTFREEZE_DATE": "2022-07-21",
    "LATEST_FIREFOX_DEVEL_VERSION": "104.0b2",
    "LATEST_FIREFOX_OLDER_VERSION": "3.6.28",
    "LATEST_FIREFOX_RELEASED_DEVEL_VERSION": "104.0b2",
    "LATEST_FIREFOX_VERSION": "103.0",
    "NEXT_MERGE_DATE": "2022-08-22",
    "NEXT_RELEASE_DATE": "2022-08-23",
    "NEXT_SOFTFREEZE_DATE": "2022-08-18"
}

This is one of the most used and oldest JSON files we provide and its structure has some technical debt that we maintain so as to not break consumers of the API.

  • FIREFOX_NIGHTLY is Firefox for Nightly.
  • FIREFOX_AURORA is empty since we no longer have an Aurora branch.
  • FIREFOX_ESR_NEXT is usually empty except for a couple of months a year when we have two ESR overlapping and we need to provide both on mozilla.org for download.
  • LATEST_FIREFOX_DEVEL_VERSION is the latest Firefox Beta built, not necessarily exposed for downloading
  • FIREFOX_DEVEDITION is Firefox Developer Edition
  • LATEST_FIREFOX_OLDER_VERSION is unused today, it is the last version we shipped before we moved to the Rapid Release cycle
  • LATEST_FIREFOX_RELEASED_DEVEL_VERSION is the validated latest Firefox Beta built, exposed for downloading
  • LATEST_FIREFOX_VERSION is the Firefox Version we ship on the release channel
  • NEXT_MERGE_DATE is the date of the next scheduled merge of mozilla-central to mozilla-beta
  • NEXT_RELEASE_DATE is the date of the next scheduled major Firefox release
  • NEXT_SOFTFREEZE_DATE is the date of the next soft code freeze on mozilla-central, ahead of the merge to mozilla-beta

l10n/

This folder contains the l10n changeset per locale used for each build. The translation of our products is done in separate l10n repositories, each locale provides a good known version of their translations through a sign off process with l10n-drivers and these changeset per locale are used to build Firefox, Thunderbird and Fennec.

example:

l10n/Firefox-58.0-build6.json file 

{
    "locales": {
        "pa-IN": {
            "changeset": "5634ac6e7d9b",
        },
        "gd": {
            "changeset": "da7de9b6e635",
        },
        …
    },
    "submittedAt": "2018-01-18T22:53:08+00:00",
    "shippedAt": "2018-01-23T13:20:26+00:00",
    "name": "Firefox-58.0-build6",
}

languages.json

This is the list of all the BCP-47 locales we support with their English and native names: 

{
    "cs": {
        "English": "Czech",
        "native":  "Čeština",
    },
    "csb": {
        "English": "Kashubian",
        "native":  "Kaszëbsczi",
    },
    "cy": {
        "English": "Welsh",
        "native":  "Cymraeg",
    },
    …
}

mobile_android.json

This file holds historical information about all Firefox releases for Android we shipped in the past.

mobile_details.json

This file contains all the release information for Firefox for Android and Firefox for iOS. We are keeping this file around for backward compatibility with consumers and only the version numbers are updated today. The builds, beta_builds and alpha_builds sections are static.

If you are interested in getting the version number we ship per channel use mobile_versions.json instead of this file. 

{
  "nightly_version": "60.0a1",
  "alpha_version": "60.0a1",
  "beta_version": "59.0b13",
  "version": "58.0.2",
  "ios_beta_version": "9.1",
  "ios_version": "9.0",
  "builds": [
        {
            "locale": {
                "code": "ar",
                "english": "Arabic",
                "native": "\u0639\u0631\u0628\u064a"
            }
        },
        {
            "locale": {
                "code": "be",
                "english": "Belarusian",
                "native": "\u0411\u0435\u043b\u0430\u0440\u0443\u0441\u043a\u0430\u044f"
            }
        },
        …
    ],
    "beta_builds": [
        {
            "locale": {
                "code": "cs",
                "english": "Czech",
                "native": "\u010ce\u0161tina"
            },
            "download": {
                "android": "market://details?id=org.mozilla.firefox_beta"
            }
        },
        {
            "locale": {
                "code": "de",
                "english": "German",
                "native": "Deutsch"
            },
            "download": {
                "android": "market://details?id=org.mozilla.firefox_beta"
            }
        },
        …
    ],
    "alpha_builds": [
        {
            "locale": {
                "code": "en-US",
                "english": "English (US)",
                "native": "English (US)"
            },
            "download": {
                "android": "market://details?id=org.mozilla.firefox"
            }
        }
    ]
},
}

mobile_history_development_releases.json

This file contains all the Firefox for Android release dates for Betas. The beta numbers are incrementing by 2 because we ship two beta builds for Desktop per week but only one beta build for Android.

example: 

{
    …
    "59.0b3":  "2018-01-24",
    "59.0b5":  "2018-01-29",
    "59.0b7":  "2018-02-07",
    "59.0b9":  "2018-02-13",
    "59.0b13": "2018-03-01",
    …
}


mobile_history_major_releases.json

This file contains all the Firefox for Android release dates for major releases (XX.0 releases)

mobile_history_stability_releases.json

This file contains all the Firefox for Android release dates for minor releases (XX.X.Y releases)


mobile_versions.json

This file contains all the versions we ship for Firefox for Android: 

{
  "nightly_version": "60.0a1",
  "alpha_version": "60.0a1",
  "beta_version": "59.0b13",
  "version": "58.0.2",
  "ios_beta_version": "9.1",
  "ios_version": "9.0",

regions/

The files in this folder store the localized names for countries. The data was extracted from our Gecko localization files and converted to JSON as we needed it for projects that needed to associate product and regional data. Those files are updated by the l10n-drivers team.

Example with regions/fr.json: 

{
    "af": "Afghanistan",
    "za": "Afrique du Sud",
    "qz": "Akrotiri",
    "al": "Albanie",
    …
}

thunderbird.json

This file holds historical information about all Thunderbird releases we shipped in the past.

thunderbird_beta_builds.json

This file is empty and not used today.


thunderbird_history_development_releases.json

This file contains all the Thunderbird release dates for Betas.

thunderbird_history_major_releases.json

This file contains all the Thunderbird release dates for major releases (XX.0 releases)

thunderbird_history_stability_releases.json

This file contains all the Thunderbird release dates for minor releases (XX.X.Y releases)

thunderbird_primary_builds.json

This file contains all the Thunderbird builds we provide per locale. The filesize fields have the same value for all lcoales, this is not a bug, we are keeping these fields with this schema for historical reasons only but no longer populate them with fresh data. 

{
    "el": {
        "52.6.0": {
            "Windows": {
                "filesize": 25.1,
            },
            "OS X": {
                "filesize": 50.8,
            },
            "Linux": {
                "filesize": 31.8,
            },
        },
    }
}

thunderbird_versions.json

This file contains all the versions we ship for Thunderbird: 

{
    "LATEST_THUNDERBIRD_VERSION":         "52.6.0",
    "LATEST_THUNDERBIRD_ALPHA_VERSION":   "54.0a2",
    "LATEST_THUNDERBIRD_DEVEL_VERSION":   "59.0b2",
    "LATEST_THUNDERBIRD_NIGHTLY_VERSION": "60.0a1"
}
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