> I’m not familiar with the details of that event, but it doesn’t sound like anyone was actually accepting this as a new valid variant JSON When they accept it

> I’m not familiar with the details of that event, but it doesn’t sound like anyone was actually accepting this as a new valid variant JSON When they accept it, it becomes defacto valid. That's how acceptance works. See also http://seriot.ch/parsing_json.php#41 http://seriot.ch/parsing_json.php#41 for a big table of "JSON-encoded data and JSON parser that didn’t work perfectly together". Read the whole page though. It's quite enlightening.