2.1.1 (2011-10-19)

• Fixed nag not re-appearing if user switched themes and then re-activated the previous theme (UX improvement)

2.1.0 (2011-10-18)

• Fixed duplicate nag message on admin options pages
• Fixed FTP nonce error when FTP credentials aren't defined in wp-config.php
• Improved handling of failed FTP connections with WP_Filesystem
• Improved string labeling for semantics
• Improved nag messages so that they are now consolidated into one message
• Improved plugin sorting by listing them alphabetically
• Improved plugin messages after installation and activation
• Added automatic activation of plugins after installation (users no longer need to click the "Activate this plugin" link)
• Added links to repo plugins for their plugin details and information (done via thickbox)
• Added option to dismiss nag message
• Added tgmpa_notice_action_links filter hook to filter nag message action links
• Added new methods: admin_init(), thickbox(), dismiss(), populate_file_path(), _get_plugin_data_from_name() and is_tgmpa_page()

2.0.0 (2011-10-03)

• Improved nag messages by adding a strings argument to filter default messages
• Improved nag message output by using the Settings API
• Improved internals by adding API for developers to use (code in class no longer has to be touched)
• Improved API function name (now tgmpa) for semantics
• Improved example.php with instructions for setup
• Added internal style sheet for styling
• Added ability to define custom text domain for localization
• Added new properties $default_path and $strings
• Added new methods register(), config(), _get_plugin_basename_from_slug() and actions()
• Removed unnecessary is_wp_error() check