Issue #2129805 by RaF: Incorrect markup when open div & custom classes provided.
Issue #2037731 by maximpodorov, Zach Harkey: Remove id attribute from HTML elements.
Issue #2099505 by borisson_ | Maks: Warning: Invalid argument supplied for foreach() in field_group_build_entity_groups() (line 1894 ..sites/all/modules/field_group.
Issue #2102397 by thebruce: Field Group 7006 update fails with "Cannot use string offset as an array in  /field_group/field_group.install on line 318.
Issue #2122733 by Alan D.: Remove test module from admin listing.
Issue #2212431 by tim.plunkett: Field groups that contain only elements that use #markup are hidden.
Removed dsm's
Issue #2175731 by tobiasb, daggerhart: HTML produced by module is broken.
Remove test field
Issue #2190425 by tobiasb: Fix attach behavior.
Issue #1911530 by tobiasb, Simon Georges: Remove useless files[] directive from .info files.
Issue #1358430 by oushen, tobiasb | FriedJam: JS "Error: uncaught exception: Syntax error, unrecognized expression:".
Issue #2104391 by mike_san: Package descriptions.
Issue #2189777 by gmercer: Exporting a feature with field groups sometimes leads to $field_group->data being set to an empty string.
Issue #2168689 by Paul B: Beïng should be being.
Issue #2037731 by rreiss, maximpodorov, Zach Harkey: Make id attribute optional. Current installations will default get the old ids
Issue #2173351 by axe312: Add a label to html-element wrappers.
Updated changelog for 1.3
Issue #1954056 by klonos: Proper capitalization in the project name.
Issue #2224547 by sdrycroft: Fixed field_group_info_groups() clears all CTools caches when it should only clear the field_group caches.