1.1.0 (2011-10-01)

• Improved property $args to accept arrays of arguments for each plugin needed
• Improved add_submenu_page to add_theme_page
• Improved admin notices to display different messages based on status of plugin (not installed, installed but not activated)
• Improved block-level documentation
• Improved handling of plugin installation and activation with plugins_api, Plugin_Upgrader and Plugin_Skin_Installer
• Added support for multiple plugins of each instance (pre-packaged and repo)
• Added new property $domain to hold textdomain for internationalization
• Added CSS for slight UI enhancements
• Added extra conditional checks current_user_can( 'install_plugins' ) and current_user_can( 'activate_plugins' ) for security
• Removed menu display if all included plugins were successfully installed and activated
• Removed unnecessary conditional check before class is defined

1.0.0 (2011-09-29)

• Initial release into the wild

2.3.4 (2012-03-30)

• Fixed undefined index notice when checking for required plugins (props @jeffsebring)
• Fixed bug where, during a bulk install, if the plugin was defined in the source as pre-packaged but also existed in the repo, it would erroneously pull the plugin from the repo instead (props @wpsmith)
• Added ability to set nag type for the admin notice via 'nag_type' string (props @wpsmith)

2.3.3 (2012-02-03)

• Changed license to reflect GPL v2 or later (to be compatible with the WordPress repo)

2.3.2 (2012-02-03)

• Fixed bug (100%) with not loading class properly

2.3.1 (2012-02-03)

• Fixed bug with not finding class (reverted back to Plugin_Upgrader)

2.3.0 (2012-01-25)

• Improved sorting of plugins by sorting them by required/recommended (while still maintaining alphabetical order within each group)
• Improved output of strings in nag messages
• Added 2 new strings: install_link and activate_link to customize the text for the nag action links
• Added new class: TGM_Plugin_Installer to prepare for must-use plugin support

2.2.2 (2012-01-08)

• Fixed bug that allowed users to click on the Install Plugins page when all the plugin installations and activations were already complete

2.2.1 (2012-01-05)

• Fixed bug that caused WordPress core upgrades to fail (WordPress doesn't check for including WP_Upgrader on core upgrades)

2.2.0 (2012-01-02)

• Fixed erroneous links for plugins linked to the WordPress Repo
• Improved UI of plugins by listing them in WordPress' default table layout
• Improved support for installing plugins if security credentials require FTP information
• Improved support for MultiSite
• Added 3 new classes (all extensions of existing WordPress classes): TGMPA_List_Table for outputting required/recommended plugins in a familiar table format, TGM_Bulk_Installer for bulk installing plugins and TGM_Bulk_Installer_Skin for skinning the bulk install process
• Added extra defensive measures to prevent duplication of classes
• Added ability to bulk install and bulk activate plugins
• Added new config options: 'parent_menu_slug', 'parent_menu_url', 'is_automatic', and 'message'
• Added new string: 'complete' (displayed when all plugins have been successfully installed and activated)
• Added support for singular/plural strings throughout the library
• Added permission checks to action links
• Added new filter tgmpa_default_screen_icon to set the default icon for the plugin table page
• Added new optional plugin parameters: 'version', 'force_activation', 'force_deactivation' and 'external_url'
• Removed 'button' string (deprecated with use of plugins table)