Version 1.5 fixes an issue where scripts added with Drupal behaviors would run twice, as well as some other minor issues. It’s highly recommended to update if you are using version 1.3 or 1.4.
Issue #3038661 by svenryen, Spokje, SaschaHannes, flocondetoile: jQuery scripts in Drupal.attachBehaviors() are being run twice
Issue #3001015 by Baik Ho: __construct cannot return a value
Issue #3003040 by tarasich: Missed ‘popup_use_bare_css’ option in module config
Issue #3001110 by Ivanner Mora, vdenis, TipiT: Table exists in update hook 8107
Issue #3024494 by Erik Frèrejean: Invalid check_markup calls