- #577590 Prevent validation errors when multigroup is not required and no subgroup of fields if filled in.

- #604830 by mattyoung - 32 characters limit on field and group identifiers in "Manage fields" screen.

- #538458 Do not allow to change the widget type for fields in multigroups when the change is not compatible.

- #551188 "Add another item" for FileField widgets causes Invalid argument supplied for foreach() in content.node_form.inc on line 456.

- #589306 warning: Invalid argument supplied for foreach() in includes/panels/content_types/content_field.inc on line 166.

- #585048 Setting "All users" in "User status that can be referenced" option reverts to "Blocked users".

- #572672 by Jan van Diepen - Remove redundant (and bad) inclusion of node/content_types.inc in content_copy_import_form_submit().

- #558420 Accept trimmed titles in nodereference autocomplete validation to prevent title mismatch errors when title ends with space.

- #558744 by chellomere - Fix one of the swedish translation strings to be correct, and much clearer.

- #550252 by GuyPaddock - content_db_index_exists produces SQL errors when creating node reference fields for MySQL 4 (related to #231453).

- #531662 by neochief - i18n support. Allow external modules to translate field labels, descriptions and allowed values list as typed in the field settings form.

- #545942 warning: array_filter() [function.array-filter]: The first argument should be an array in userreference_update_6002().

- Minor fix in multigroup. Remove unused argument $form_id from invocation to worker functions in hook_form_alter().

- Minor fix in multigroup. Remove the check for module_exists('fieldgroup'), which is something implicit.

- Render field descriptions as cell titles when multigroup edit mode is configured with multiple column option.