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#### Section/Content To Improve
https://github.com/axios/axios/blob/master/CHANGELOG.md

#### Suggested Improvement
Please add 0.21.1 to the Changelog.

#### Relevant File(s)
https://github.com/axios/axios/blob/master/CHANGELOG.md
dist/axios.js
normalizeHeaderName(headers, 'Accept');
	    normalizeHeaderName(headers, 'Content-Type');
	    if (utils.isFormData(data) ||
	      utils.isArrayBuffer(data) ||
	      utils.isBuffer(data) ||
	      utils.isStream(data) ||
	      utils.isFile(data) ||
	      utils.isBlob(data)
	    ) {
	      return data;
	    }
	    if (utils.isArrayBufferView(data)) {
	      return data.buffer;
	    }
	    if (utils.isURLSearchParams(data)) {
	      setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');
	      return data.toString();
	    }
	    if (utils.isObject(data)) {
	      setContentTypeIfUnset(headers, 'application/json;charset=utf-8');
	      return JSON.stringify(data);
	    }
	    return data;
	  }],
	
	  transformResponse: [function transformResponse(data) {
	    
	    if (typeof data === 'string') {
	      try {
	        data = JSON.parse(data);