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This release is to allow proper reporting of the module usage statistics. See https://www.drupal.org/node/2340969 for details. It is reason the Captcha-free stats have been at or near zero for the last few weeks.
Narrowed more toward protection against Anonymous users.
Tested on Webform module 7.x-3.19 and works.
Needed After Updating: Go to /admin/config/content/captcha-free
and verify settings. Save them even if unchanged to update the variable for
protected forms in the database.
First development release and is as described in the project description on the main project page. Captcha-free is designed to block bots from abusing forms by determining if the user agent has JavaScript enabled and a cookie can be set and retrieved within a given time limit.