New major version of GD Custom Posts And Taxonomies Tools Pro 4.3 improves and fixes many issues (metaboxes and modules related mostly), brings compatibility with WordPress 3.7 and 3.8, PHP 5.4 and 5.5. More code cleanup is done to remove old and outdated code.
In terms of new features, there is nothing much new in this version. Compatibility with new versions of WordPress was very important thing to have right now, especially considering visual changes introduced with WordPress 3.8. Many bugs related to metaboxes implementation are fixed, and things improved.
Two new modules for the plugin will be released before the end of the year. And next week I will announce plans for the plugins major 5.0 version that will be in development for release in first half of 2014.
As always, if you find any more problems, please report them in the forums.