DC++ is een open source P2P-programma voor het Windows-platform. Voor het delen van bestanden wordt gebruik gemaakt van het Direct Connect-protocol. De nieuwste uitgave heeft versienummer 0.403 meegekregen en volgt 0.402 op die eerder op de dag werd uitgebracht, maar een ernstige bug bevatte. Het changelog laat de volgende veranderingen zien:
-- 0.403 2004-06-27 ---- 0.402 2004-06-27 --
- Fixed 100% cpu / crash bug
- Fixed transfer view crash (thanks garg)
- Removed default sort in search frame
- Window sizes / positions of favorite hubs saved (thanks trem)
- Begun work on the ADC protocol (major change)
- Fixed issue with the exceptioninfo growing indefinately (recursive behaviour)
- Readded missing TTHSearch to hub $Supports
- Fixed unnecessary $MyINFO being sent out
- Removed time left and speed from waiting transfers (thanks garg)
- Documented %[line: reason]
- Fixed a bug with hanging queue display
- When searching by hash, size mode set to normal (don't care)
- Hash speed tweaks, check if it's any better.
- Fixed a crash when moving files
- Fixed directory sorting in directory listings
- Fixed an unnecessary disconnect on file not available
- Fixed missing write buffering
- Added drag-drop of directories onto the shared dirs view (thanks trem)
- Added option for specifying max hashing speed
- Updated installer to optionally create a backup of the settings when upgrading
- Changed to a more convenient observer implementation (no, not a functor (or something more fancy) based one)
- Fixed an invalid XML file list crash
- Copy address to clipboard from public hub list (thanks joakim tosteberg)
- Changed to IEC binary multiple units (MiB, KiB etc)
- GETSETREF templetized (thanks farcry)
- Small files size increased to 64KiB
- Op's that use a client that supports minislots always get a minislot (for small files / xml file lists), regardless of how many minislots are already taken.
- Matching by name removed for queue items with a TTH root (for autosearches)
- Autosearch is done by TTH for queue items that have a root
- Removed GetTestZBlock (no more safe/compressed transfers from old clients)
- Added support for automatic user command clearing (code 255) (thanks sedulus)
- User country shown in ip field (thanks pofis)
- Automatic search matching is now done exclusively by tth for those items that have a TTH root and by exact filename for those that don't.
- Dropped support for bzip2 file lists
- Show joins parts for fav users only option added (thanks psf8500)
- Added possibility to log hub status messages (thanks torgny nyblom)
- Removed full-row-select option (blame garg)
- Added possibility to drag-drop tabs (thanks trem)
- Added toggles for transferview showing (thanks trem)
- HTTPS added as chat click link (thanks torgny)
- Autoconnect postponed if no nick has been set (thanks sed)
- Various unix compile fixes (thanks christer palm)
- Fixes for IEC in settings pages (thanks slowmo)
- Remove multiple directories from share (thanks slowmo)
- Added executable TTH to about box (for reporting bugs)
- Changed exceptioninfo.txt format to prepare for automatic crash logging
- Added download by TTH root instead of share path. This feature enables the downloading client to find the file even if the uploader has reorganized its share.
- Fixed number formatting in search and queue frames (thanks slowmo)
- Workaround for WTL75 bug with menus (thanks garg)
- .mkv and .flac added as file formats (thanks garg)
- Added warning about non-shared files with $ in them (thanks garg)
- Fixed a rare deadlock when autosearching
- Search by TTH greyed out for items that don't have a TTH root (thanks slowmo)
- Added default menu items to finished frames (thanks slowmo)
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deze client wordt dus nog niet overal ondersteund 
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