JSON is for serialization, YAML is for configuration. I agree, trailing comma's and the lack of comments is extremely annoying in JSON. However, I think the un

JSON is for serialization, YAML is for configuration. I agree, trailing comma's and the lack of comments is extremely annoying in JSON. However, I think the underlying problem is tools using a serialization format for configuration to be the real problem here. That AWS CloudFormation has added support for YAML is a great example of this and it's a great step forward. I think other tools should follow.