Updates for blob from 5.0 (#2938)

Author: jennifer-shehane

source/api/utilities/blob.md

@@ -30,26 +30,26 @@ cy.Blob.method() // Errors, cannot be chained off 'cy'
 
 ## Image Fixture
 
-**Using an image fixture**
+### Using an image fixture for jQuery plugin upload
 
 ```javascript
 // programmatically upload the logo
 cy.fixture('images/logo.png').as('logo')
 cy.get('input[type=file]').then(function($input) {
   // convert the logo base64 string to a blob
-  return Cypress.Blob.base64StringToBlob(this.logo, 'image/png')
-    .then((blob) => {
-      // pass the blob to the fileupload jQuery plugin
-      // used in your application's code
-      // which initiates a programmatic upload
-      $input.fileupload('add', { files: blob })
-    })
+  const blob = Cypress.Blob.base64StringToBlob(this.logo, 'image/png')
+
+  // pass the blob to the fileupload jQuery plugin
+  // https://github.com/blueimp/jQuery-File-Upload
+  // used in your application's code
+  // which initiates a programmatic upload
+  $input.fileupload('add', { files: blob })
 })
 ```
 
 ## Getting dataUrl string
 
-**Create an `img` element and set its `src` to the `dataUrl`**
+### Create an `img` element and set its `src` to the `dataUrl`
 
 ```javascript
 return Cypress.Blob.imgSrcToDataURL('/assets/img/logo.png').then((dataUrl) => {
@@ -63,6 +63,11 @@ return Cypress.Blob.imgSrcToDataURL('/assets/img/logo.png').then((dataUrl) => {
 })
 ```
 
+{% history %}
+{% url "5.0.0" changelog %} | Return type of `arrayBufferToBlob`, `base64StringToBlob`, `binaryStringToBlob`, and `dataURLToBlob` methods changed from `Promise<Blob>` to `Blob`
+{% url "5.0.0" changelog %} | Added `arrayBufferToBinaryString`, `binaryStringToArrayBuffer` methods.
+{% endhistory %}
+
 # See also
 
-- {% url 'Bundled Tools' bundled-tools %}
+- {% url 'Bundled Tools' bundled-tools %}