Version 1.4

• Introduced the Complex Field vertical tabbed layout.
• Allow fields with the same name to be used in different Carbon Containers.
• Added German (de_DE) translation (thanks to @AlexBa).
• Added Swedish (sv_SE) translation (thanks to @fhqvst).
• Added Russian (ru_RU) translation (thanks to @andrewostrin).
• Added Spanish (es_ES) translation (thanks to @fitodac).
• Performance improvements.
• Some i18n improvements.
• Few bugs squashed.

Version 1.3

• Introduced the Complex Field tabbed layout (example).
• Added Portuguese (pt_PT) translation (thanks @pedro-mendonca).
• Allow saving empty complex field groups.
• Added a filter for the Google Maps API key.
• Minor improvements and fixes.

Version 1.2

• Ensured compabitility with the WordPress Coding Standards.
• Introduced new Time field type.
• Introduced new Date_Time field type.
• Enhanced the Composer configuration.
• Fixed an issue with handling numeric indexes in Predefined_Options_Field field types.
• Fixed several issues with set_width() in nested or sibling Complex fields.
• Fixed issue with attaching user_meta container under certain conditions.
• Enhanced post_meta container to use page post type when calling the show_on_page_children(), show_on_page() and show_on_template() methods.
• Added French translation.
• Introduced interface for managing header template for Complex field groups.
• Introduced a filter for the save button on the theme_options container.
• Renamed the textdomain to be compatible with the one, used in GlotPress.
• Added new tests.
• Performed various other code and UI fixes and improvements.

Version 1.1

• Removed Attachment field type, with backwards compatibility.
• The File and Image field types now save the attachment ID by default.
• Introduced File_Field::set_value_type() to easily change the saved value type.
• Added a Vagrantfile.
• Added some Field and Container tests.
• Renamed Date_Field::set_options() to Date_Field::set_datepicker_options().
• Introduced an abstract Predefined_Options_Field base for Select, Radio and Set field types.
• Added proxy Container, Field and Widget for shorter use statements.
• Introduced an abstract Scripts_Field base for Header Scripts and Footer Scripts field types.
• Introduced an abstract Meta_Datastore base for all meta datastore classes.
• Performed various other code fixes and improvements.

Version 1.0

Initial version.