GD Topic Prefix Pro 2.0 is a major update for the plugin, including the use of new Dev4Press Library 3 with big code changes using namespaces and autoloading, with few new features, updates, and fixes.
GD Topic Prefix Pro is the latest plugin to be completely refreshed, partially rewritten to use PHP autoloading and namespaces, along with the latest Dev4Press Library 3. This means that code is better organized, the plugin has improved overall performance, uses improved interface, and more.
As for the new features, plugin includes improvements to the widget, including options for both include and exclude of prefixes by ID. On frontend, plugin can display options to select prefix not only as drop down selection, but also as the list of radio HTML controls or inline radio controls.
There are many updates to the plugin overall styling, improvements to rendering, and various styling related fixes and issues with the widget.