I've been slacking too much on my Drupal projects in the past few years.
These are all the changes that have been sitting in the git repository.
Be sure to test it before using in production and report any problems.
To use the webform_prefill functionality you now need to download an extra library jquery.formprefill. This can’t be packaged at the moment as it is not yet white-listed.
The upstream jquery.formprefill module also prefills hidden fields used for drupal’s internal form handling. This is bound to break forms!
Please do not upgrade to this module version. You may downgrade to 7.x-1.0-alpha4 at any time.
Summary
With this release most of the JavaScript is put into a separate jquery.formprefill plugin which can be found on: https://www.npmjs.com/package/jquery.formprefill. This release adds several new dependencies: