Transmission, a popular BitTorrent client has been updated to version 2.0, bringing many improvements and optimizations.
All Platforms
* "Local Peer Discovery" for finding peers on the local network
* Optimize download requests for the bandwidth available
* Smarter heuristics when deciding the order to connect to peers
* Faster verification of local data
* Faster startup
* Support more blocklist file formats
* Use IEC standard units (KiB, MiB, GiB) instead of (KB, MB, GB)
* Better handling of 404 tracker errors
Mac
* Compact View replaces Minimal View, taking up considerably less space
* Show an Add Transfer window when adding magnet links
* "Resume All" now ignores finished transfers
* Allow trackers to be pasted into the Create Window
* European Portuguese localization
* Removed Traditional Chinese localization because of lack of localizer
GTK+
* New filterbar to filter by tracker, private/public, etc.
* Compact View replaces Minimal View, taking up considerably less space
* Show the Torrent Options dialog when adding magnet links
* "Set Location" now supports moving multiple torrents at once
* The Properties window now fits on low resolution screens
* Add favicon support to the Properties dialog's Tracker tab
Qt
* Show the Torrent Options dialog when adding magnet links
* Show all active trackers in the tracker display list
* Show file sizes in the file tree
* Added a confirm dialog when removing torrents
* Properties and torrent options no longer jump around while editing
* Allow setting locations for remote sessions
* Miscellaneous UI fixes
Daemon
* Let users specify a script to be invoked when a torrent finishes downloading
* Better support for adding per-torrent settings when adding a new torrent
* Optional pidfile support
* Option to start torrents paused
* Option to delete .torrent files from watch directory
Web Client
* The context menu now works when multiple rows are selected
* Show ETA for seeding torrents that have a seed ratio set
Transmission can be downloaded free from here
All Platforms
* "Local Peer Discovery" for finding peers on the local network
* Optimize download requests for the bandwidth available
* Smarter heuristics when deciding the order to connect to peers
* Faster verification of local data
* Faster startup
* Support more blocklist file formats
* Use IEC standard units (KiB, MiB, GiB) instead of (KB, MB, GB)
* Better handling of 404 tracker errors
Mac
* Compact View replaces Minimal View, taking up considerably less space
* Show an Add Transfer window when adding magnet links
* "Resume All" now ignores finished transfers
* Allow trackers to be pasted into the Create Window
* European Portuguese localization
* Removed Traditional Chinese localization because of lack of localizer
GTK+
* New filterbar to filter by tracker, private/public, etc.
* Compact View replaces Minimal View, taking up considerably less space
* Show the Torrent Options dialog when adding magnet links
* "Set Location" now supports moving multiple torrents at once
* The Properties window now fits on low resolution screens
* Add favicon support to the Properties dialog's Tracker tab
Qt
* Show the Torrent Options dialog when adding magnet links
* Show all active trackers in the tracker display list
* Show file sizes in the file tree
* Added a confirm dialog when removing torrents
* Properties and torrent options no longer jump around while editing
* Allow setting locations for remote sessions
* Miscellaneous UI fixes
Daemon
* Let users specify a script to be invoked when a torrent finishes downloading
* Better support for adding per-torrent settings when adding a new torrent
* Optional pidfile support
* Option to start torrents paused
* Option to delete .torrent files from watch directory
Web Client
* The context menu now works when multiple rows are selected
* Show ETA for seeding torrents that have a seed ratio set
Transmission can be downloaded free from here