Updated in version 1.4.2 (current):

Fixes rare crash at startup issue
Fixes minor issue when selected "Volume Location" is not mounted
oct 15, '08
This update is free for registered users of Dupin v1.x.

• Fixes looping error during "Delete"
• Fixes issue when toggling checkbox of a selected item

• Recognizes Genius Playlists
• Adds "Refresh Playlist Popup" toolbar button and menu option to View menu
• Adds Preference to limit number of Dupe Groups fetched during "Get Duplicates"
• Adds Preference to toggle between deleting files immediately or moving them to Trash during Purge
• Trash alert sound muted
• Fixes a minor date formatting issue
• GUI updated
• Speed and performance enhancements

• Compatibility with iTunes 7.7.1
• Minor performance enhancements

• Fixed error with file sizes filtering
• Minor performance enhancements

This update is free for registered users.

• Fixed issue with automatic filtering preference which errored when getting dupes

• Adds Newest/Oldest Date Modified options to Filter Controls
• Adds Largest/Smallest File Size options to Filter Controls
• Displays Bit Rate Rounding status in Filter Controls window
• Bit Rate Rounding is applicable to bit rate options in Filter Controls
• Provides workaround for iTunes 7.6 AppleScript "delete bug" (whereby files chosen to be preserved during Purge are errantly moved to Trash--fixed in iTunes 7.6.1)
• Fixed a problem with bit rate filtering
• Updated Help pages
• Minor performance enhancements

This update is free for registered users.

• Added Preference to toggle Keeper designation as checkmarked (default) or un-checkmarked
• Added Preference to use bit rate rounding to account for ABR-encoded AAC files
• Added "Customize Toolbar..." menu command in View Menu; moved "Show/Hide Toolbar" to View Menu
• Added notification when updating Playlists popup
• Corrected error thrown by .MID files
• Revised code syntax interpreted ambiguously under OS 10.4 (Tiger)
• Revised label text in Filter Controls window
• Fixed problem during Purge if source Playlist had been re-selected
• Fixed rare problem causing hang-up while switching Spaces or applications during Purge
• Updated Help pages
• Minor performance enhancements

This update is free for registered users.

• Changed keyboard equivalent for "Delete" function to Command-Delete, added "Delete Selected from Dupin" menu command
• Added "Sort by Dupe Groups" toolbar button
• Redressed issues with AAC files encoded using ABR
• Fixed problem with moving files from striped RAID to Trash
• Fixed rare problem with listing playlists
• Fixed rare problem causing inaccuracies when filtering by "Volume"
• Fixed rare problem causing inaccuracies when filtering by "Shortest Filename"
• Minor performance enhancements

• Fixed sorting problem caused by date errors with some localizations (German, Dutch, et al)

• Fixed string coercion error some Leopard users were seeing at startup
• Fixed problem with Get Dupes sorting when a track's Sample Rate is "Unknown"

• Fixed "compilation error" some users were seeing at startup

• Compatible with Mac OS X 10.5 (Leopard)
• Remembers last selected playlist in playlist popup and in "Selected to Playlist..." panel
• Added option during Purge to remove tracks just from the selected source playlist
• Fixed issue with inaccurate examination of "Movies" master playlist
• Fixed issues with playlist popup display
• Minor performance fixes

• Filter processing speed greatly increased
• Return keypress while "Looking for..." search field is focused initiates "Get Duplicates"
• Added recent items and "Clear" sub-menu to "Looking for..." search field
• Filter Controls window closes when filtering begins, unless set otherwise in Preferences
• Fixed problem with file path displaying instead of file name
• Addresses error on launch when attempting to identify User volumes mounted at /
• Works-around rare problem with errant carriage returns and/or line feeds embedded in iTunes' library XML file
• Minor performance fixes

• Fixed delay and stall issues occurring during Purge that some users were experiencing
• Fixed issue with Purge not proceeding when tracks selected; now allows Purge of selection
• Will display alert if iTunes is somehow inaccessible during Purge
• Minor performance fixes