2 thoughts on ““missing or invalid authentication code”; Observatory SDK 2.3.0-dev.0.3

  1. Is this fix in the latest version of the Dart SDK? I just installed from homebrew a few hours ago, and am running into the same issue.

    To be more specific – I get this error regardless of whether the trailing slash is present.

    EDIT: Never mind, figured it out. The = at the end of the URL wasn’t getting picked up by my terminal, so I was actually going to the wrong URL.

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