{
    "api": "http://localhost:8000/api/v1/",
    "eventsUrl": null,
    "eventsMaxMissedHeartbeats": 5,
    "eventsHeartbeatIntervalTime": 60000,
    "eventsReconnectTryInterval": 10000,
    "debug": true,
    "debugInfo": false,
    "defaultLanguage": "en",
    "themes": ["taiga"],
    "defaultTheme": "taiga",
    "defaultLoginEnabled": true,
    "publicRegisterEnabled": true,
    "feedbackEnabled": true,
    "supportUrl": "https://tree.taiga.io/support/",
    "privacyPolicyUrl": null,
    "termsOfServiceUrl": null,
    "GDPRUrl": null,
    "maxUploadFileSize": null,
    "contribPlugins": [],
    "tagManager": { "accountId": null },
    "tribeHost": null,
    "importers": [],
    "gravatar": true,
    "rtlLanguages": ["fa"]
}

{
    "api": "http://localhost:8000/api/v1/",
    "eventsUrl": null,
    "eventsMaxMissedHeartbeats": 5,
    "eventsHeartbeatIntervalTime": 60000,
    "eventsReconnectTryInterval": 10000,
    "debug": true,
    "debugInfo": false,
    "defaultLanguage": "en",
    "themes": ["taiga"],
    "defaultTheme": "taiga",
    "defaultLoginEnabled": true,
    "publicRegisterEnabled": true,
    "feedbackEnabled": true,
    "supportUrl": "https://tree.taiga.io/support/",
    "privacyPolicyUrl": null,
    "termsOfServiceUrl": null,
    "GDPRUrl": null,
    "maxUploadFileSize": null,
    "contribPlugins": [],
    "tagManager": { "accountId": null },
    "tribeHost": null,
    "importers": [],
    "gravatar": false,
    "rtlLanguages": ["fa"]
}

Set gravatar default value to false
Set gravatar default value to false

During development, the gravatar integration will not work when set to true because the instance in not publicly visible.
Since development servers are accessed through the loopback interface, this will result in missing avatars for developers.

See #1385