Change record status: 
Project: 
Introduced in branch: 
8.x
Description: 

When JavaScript is available the Attach button from the file input form element is hidden and upload will start as soon as the user selects a file to upload.

An example of the new behaviour can be found in this video http://www.youtube.com/watch?v=1-OZOODpzWw&feature=youtu.be&t=1m27s

Impacts: 
Site builders, administrators, editors
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Other updates done