Шифрование протокола;
Поддерживает анонимный обмен данными по протоколам I2P, Tor и Nodezilla;[1]
Технологии peer exchange и распределённые хеш-таблицы (DHT) снижают зависимость клиента от трекера;
Поддержка технологий UPnP, NAT Port Mapping Protocol и NAT traversal обеспечивает лучшую работу в локальных сетях;
Поддержка uTP;
Возможность раздачи в режиме super-seeding, благоприятствующем скорейшему появлению новых раздатчиков;
Технология web seeding;
Поддержка ссылок на P2P-контент, так называемых magnet links (в том числе bc://);
Возможность работы через прокси-сервер;
Поддержка IPv6;
Поддержка Юникода;
Воспроизведение потокового видео.

New Features:

Blog | See http://devblog.vuze.com/tagged/4900 for beta version blog posts
Idea | see http://tinyurl.com/c4rc3ej for ideas implemented in this release

Core | 'move do not download files to a subfolder' is back but defaults to 'disabled' [Parg]
Core | Support compact I2P announce responses [Parg]
Core | Speed Limit handler now supports pausing and resuming, total transfer limits and ip-sets [Parg]
Core | Added option to disable availability-based webseed activation to support faster startup [Parg]
Plug | Added 'boss key' plugin for Windows users [Parg]
Plug | Swarm Discoveries now support 'tracker sources' [Parg&TuxPaper]
UI | Added UPnP media-server browser and playback (and add-to-device) under Devices Playback (deselect 'simple view' to access) [Parg]
UI | Console UI now supports 'show t' option for dead torrents [Parg]
UI | Added 'number of queued downloads' to library view header [Parg]
UI | Added keyboard shortcut for 'pause-for-time' menu option [Parg]
UI | Added option to show Vuze interface in all uppercase for those users that seem to be unable to turn capslock off on the forums [Parg]
UI | When adding a torrent with the same hash as an existing download you are now prompted to merge in any additional trackers [Parg]
UI | For non-OSX users the current transfer rates can now be displayed in the window title [Parg]

Changes:

Core | Reset the 'maybe VPN' settings when bind IPs modified [Parg]
Core | Vuze clients are now displayed as 'Vuze' in the peers view instead of 'Azureus' [Parg]
Core | The 'move dnd files to subfolder' now only applies to new downloads [Parg]
Core | Support multiple routers to UPnP devices and try alternatives when one fails [Parg]
Plug | Disabled the per-ASN DHT announces as no evidence it is of significant benefit [Parg]
Plug | Plugin installer now defaults to per-user installs [Parg]
UI | Speed test is now not automatically run on first install but linked from FTUX [TuxPaper]
UI | Search results details pages now open in exernal browser [TuxPaper]
UI | Brazilian Portuguese translation update [Havokdan]
UI | Basque translation update [Azpidatziak]
UI | Spanish translation update [Valtiel]

Corrected Bugs:

Core | Fixed rare sort-contract-violation error under Java 7 during piece picking [Parg]
Core | Keep definitions of old network interfaces so correct classification can still be applied after an interface is lost [Parg]
Core | Disable DND TXT handling when using SOCKS proxy [Parg]
Core | Turn off auto-speed when applying the result of a speedtest otherwise it overwrites it [Parg]
Core | Fix update operations failing on OSX with Java 7 [Tuxpaper]
UI | Fixed display of disabled peer sources in sources view [Parg]
UI | Fixed 'escape' key not closing donation dialog [TuxPaper]
UI | Declining a 'Close Vuze?' prompt left window in invalid state [Parg]
UI | Recalculate hot spots in sidebar when scrolled [Parg]
UI | 'Full copy last seen' column was broken [Parg]