Brand new, major 3.4 plugin version brings great many new features, improvements and fixes. Attachments upload has new enhanced interface, own BBCode, support for custom MIME Types. All Widgets have new interface and options, we have several new settings for bbPress.
New version brings many new features, few updates and fixes. Two more views are added and attachments module has validation for files and shows size and type for each file before upload. File type icons are also updated.
New plugin 3.2 version brings several new features, few updates and fixes. You have new Views and views related settings, improvements to quotes, instructions for some settings. And, fixes related to views and widget for views.
New 3.1 version brings more new features, some updates and one WordPress 3.9 related fix. New features are mostly attachments related (selection of available MIMI types for upload), but it includes new advanced options and override of plugin required templates.