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New Features: Core | Reduced CPU usage, especially in some unusual conditions Core | Explicit local subnet and peer injection option for Lan Peer Finder Core | Auto upload speed Core | DND completion handled better Core | Added option for per-torrent max upload speed when upload busy Core | Ranges allowed for port listing to ignore peers from. Core | Added option to move completed download on removal Core | Signed updates for increased security Core | UDP fallback on connection fail Core | Support for initial crypto tracker spec Core | Faster queued torrent startup Core | Option to disable tracker support for full-scrape Core | Added ability to rename the directory save name for a multi-file torrent UI | File pieces shown in files view UI | Ability to best guess folder you want to save torrent data to based on existing torrents UI | Filter for Config Options UI | "Help -> Generate Debug Info" to help us solve bugs UI | Ability to customise the speed intervals for download / upload speed menus UI | Ability to rename the displayed title of a download UI | "date added", "idle up", "idle down", "req in", "req out" colmns added to MyTorrents UI | manual file recheck order UI | Option to remember passwords UI | OSX: Open .torrent files into Azureus via Finder/Desktop/etc UI | Option to send popup message when download of a torrent (or individual file) has completed UI | Ability to change behaviour of popups: auto-hide behaviour and adding timestamp to messages UI | Torrent-info panel added to show MyTorrent's column attributes in a single place. Torrent encoding moved from General tab to here UI | Progress warning to user when long file operations in progress that would otherwise hang the UI Plug | Simple NAT-PMP implementation Changes: Core | Reduced starting many pieces instead of completing current ones Core | Further modifications to optimistic disconnect algorithm Core | Longer scrape delays: Core | Asynchronous existing torrent loading at startup (makes startup feel faster) Core | Disk read cache disabled by default Core | Better detection of unix OSes (Linux, FreeBSD, Solaris, etc) and custom ports that do not conform to our install structure UI | More time periods in folder-rescan list UI | Option to hide toolbar UI | Option to disable program icon for name column (may speed up OSX users) Plug | Use UPnP to read external IP address if possible Corrected bugs: Core | Fix for pieces not completing due to too many snubbed peers Core | Better handling of invalid peer/seed count from tracker Core | ed2k hash wrong on block boundaries Core | upload slot default now applied correctly (was fixed at torrent add time) Core | Various seeding rules fixes, mostly related to Seed eer ratio, 1st Priority, or 'None' ranking mode UI | speed graphics failing on high speeds UI | Per-torrent options view now synced with global defaults and has "reset" button UI | Slide-in alert message not closeable (GTK+ users)

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A new function has been added to the codebase, and will be available in the next major release (T-0.3.3); smart upload rate fudging. Like many of my improvements, most people won't even notice it. What is this feature? It accounts for "TCP ACK" overhead. Basically, when you download, your system sends acknowledgements for the data it's received back up the pipe. This isn't performed at the BitTorrent protocol level, but on a much lower level and the old codebase didn't take it into account. As a result, for people on asymmetric connections with 8X as fast downstream as up (1M/128K for example) or higher, setting your upload at 80% of your pipe's max would still result in upstream flooding at full download. So what does this change? You will notice that your upload decreases a bit when you are downloading at full speed. With the new client, it will be recommended you set your upload at 90% or higher of your pipe's max. This will mean better performance on start-up and when downloading without choking your upstream.

• Changed the way Resume/Paused/Stop slightly.
  Pause is roughly equivallent to Requeue in other clients now.
  
  An active torrent (green download, yellow yeild, or happy face icons):
  Can be Stopped - The torrent will not start again untill you hit resume.
  Can be Paused/Requeued - The torrent will resume automatically later.
  A stopped torrent (Red stop icon, status says Stopped ):
  Can be Resumed. Or Can be Paused/Requeued.
  A paused torrent (Blue pause icon, status says Paused(Queued)):
  Can be Resumed. or Can be Stopped.
  
  One minor difference bettween requeuing a stopped one from requeuing a running torrent is that if it is running and paused/requeued, it will go to the bottom of the queue. Stopped torrents stay in place.
  
  
• Added check box to Multi-File Order Manager to toggle it from popping up all the time. If unchecked you can still access it manually via right click
  
• Added keyboard shortcuts (Check the menu bar)
  
• Added Toggle tabbed view option to the menu bar
  
• Message tab now shows the url of the tracker when there is a tracker error.
  
• Fixed issues related to On Completion
  
• Fixed various issues related to how lists were drawn. Some flickering, the last item on a list not clearing, artifacts when resizing cols etc
  
• Fixed crash bugs in the Progress Dialog
  
• Fixed move up move down functions in dlordermanager (credit goes to spreadit)
  
• Fixed "rejected by tracker - key did not match key supplied earlier"
  
• Clipboard functions fixed.
  
• Fixed swedish flag
  
• Fixed a bug in the "Progress Dialog" when restoring the minimized window
  
• About box instead of About tab
  
• I've removed all references to psyco (a JIT compiler) for now. It seems to be troublesome and causing crashes for some people

• lots of lame bugs fixed
  
• wxpython decided to change wxClipboard into wxTheClipboard breaking any copy and paste type code.
  
• Added a tracker manager dialog. Can add/remove trackers from the the announce list. Right click to manually poll the selected tracker immediatly.
  
• Added a few more color options for the main list view
  
• Fixed occasaional crashing when restoring from the systray.
  
• Made the skipping of hash checks for 100% complete files optional.
  
• Requested. New on complete setting that lets you change the upload speed once you switch to seeding mode.
  
• Requested. Remove multiple torrents at once. I added a checkbox to the dialog: "Apply to all selected" when you select multiple torrents to remove.
  
• Note. In wx 2.5.1 they solved the problem of the systray icon not restoring after an explorer crash. Yay!
  
• Fixed flickering in the optionsdlg
  
• Colors on the German flag icon was obviously wrong
  
• Should work without problems under Win98/ME now
  
• Significant progress in the linux version with the help of andrewpeabody
  
• Converted some of the icons/png's so that they will display correctly on win98 & linux

• Fixed some bugs, including an important tracker bug
  
• Added 'warning message' so trackers can send non-fatal human readable messages to clients
  
• Fixed problem where some users got 'could not find file' message

• Show last time IPFilter list was updated in status area
  
• Support for "compact" tracker announce protocol
  
• Support for "key" tracker announce protocol
  
• Download Speed column in "My Torrents" turns red if below speed set in Queue config.
  
• Webplugin swing ui has status area with total ul/dl
  
• XML over HTTP remote plugin interface (initially to support GTS) - mail parg@users.sf.net for details
  

• WebUI plugin included in mainline (see http://azureus.sf.net/CVS/web.interface.howto.htm)
  
• Much more reliable SF mirror auto-update handling
  
• All config/pref files utilize .bak backup files
  
• Option to limit outstanding disk writes and piece hash checks
  
• Can delete shares in QUEUED state
  

• Fix for loading .torrent files via web-browser/shell/doubleclick/etc
  
• Fix of startup issues under Win95/98/Me
  
• Locale-specific dir creation
  
• Hebrew language works now
  
• Fixed long load times under Linux of Configuration view and General tab
  
• Popup windows now center in main monitor on multi-monitor setups
  
• Fix for Pieces and Files views off-by-one row drawing glitch under linux
  
• Sort on Health and Availability now enabled
  
• Various memory leaks (DiskManager instances not being freed)
  

• Client no longer complains of connection to tracker problems when transfers are still working
  
• Lots and lots of bandwidth savings (the 'compact' tracker parameter)
  
• Better support for peers with dynamic IPs (the 'key' tracker parameter)
  
• Lots of bug fixes
  

• QUEUED status. Torrents that are queued are stopped, but available for automatic starting
  
• Partial support for Read-Only data (for seeding)
  
• Added "Forced-Start" to force a torrent to start, ignoring download limits or seeding rules
  
• Auto-positioning of finished torrent based on how badly the torrent needs seeding
  
• Added Availability, Seeding Rank, SavePath, Max # Uploads, and Total Speed columns to My Torrents view
  
• Categories to group your torrents in (right click on My Torrents and select Set Category to get started)
  
• More auto-seeding options
  
• Ability to limit maximum number of file handles open/in-use at any given time
  
• Tracker - various performance enhancements such as announce/scrape caching. Tested to 500,000 peers on single torrent
  
• Tracker activity logging to %azhome%/tracker.log
  
• Tracker bytes in/out + scrapes recorded
  
• Tracker - ability to limit number of peers returned
  
• Share ratio now shown on tracker web pages
  
• Tracker/client support for "no_peer_id" spec for bandwidth savings
  
• More plugin stuff - alert raising, ipfilter reloading, various other stuff
  
• Applet UI enhanced into usable state (start/stop/add/remove downloads) + auto refresh
  
• Added torrent hashes for G2 + ED2K (ala http://www.torrentaid.com/)
  
• Added colours to file view to show: grey -> requested; red -> data recently written
  

• Split torrents in My Torrents view into 2 lists: Downloading and Seeding (Completed)
  
• STOPPED status now means the torrent never auto-starts
  
• Moved icon from Rank column to Name column
  
• Removed Lock Priority. No longer an issue since priority only gets autochanged once
  
• Remove "Lock Start/Stop" menu option. Stop now means no auto-starting/stopping
  
• Re-design of Configuration view
  
• Language files (MessagesBundle_xx_XX.properties) are read in the following order: Azureus user directory, Azureus application directory, JAR file
  
• Remember sorted column and order for all views
  
• Core performance optimizations and major cpu usage reductions
  
• User prompt when (1) tracker listens fails (2) incoming server port bind fails
  
• Config files/dirs and plugins now stored in OS user dir (Win: C:\Documents and Settings\username\Application Data\Azureus\, OSX: /Users/username/Library/Azureus/, Linux: /home/username/Azureus/)
  
• Tracker log now includes date as well as time
  

• Once a torrent is complete, and you remove the data, it wil no longer start downloading again when seeding rules are on
  
• 1st column of MyTorrents no longer has a gap if there's no icon. (Windows Only Bug)
  
• Fix for download stalls at 99% / 100% cpu usage bug introduced in 2070
  
• Fix for minimize/close causing the program to disappear from view under OSX
  
• Fix for icon bar buttons not being flat (Bug #890166) [Gudy]
  
• More reliable .config and .torrent file save/load management
  
• Better handling of failures when performing "move on complete"
  
• Handle torrent file names with trailing spaces and CR/NL (from Mac)
  

• Updated, New shad0w's bittorrent core to S-5.8.11
  
• Changed, Made some changes to ABC that could possibly fix several
• crash/lockup/freeze/etc problems.
  
• Temporary Removed, Minimize to tray (will come back in 2.6.6)

• Azureus now identifies itself via User-Agent in tracker http communications
  
• Less flickering, on all platforms (tested on both windows and linux+GTK)
  
• Azureus now responds as Server: Azureus in tracker http comms
  
• Unwritten blocks in Pieces view shown in red
  
• Prioritizing first piece of file(s) now optional in config
  
• Confirmation on data deletion now optional in config
  
• More intelligent announce url '&numwant=' handling
  
• On tracker announce errors, retry interval now uses exponential backoff
  
• Removed multi-port listening, as shared single port is far superior
  
• More reliable .config and .torrent file writing
  
• Tracker scraper now honors a 'flags: min_request_interval' response
  
• Plugins can be initialised from plugin.properties freestanding (not just in .jar file)
  

• Problem with tracker not responding with "Connection: close" causing SSL session maintainance with HttpsURLConnection to stuff up and fail clients with "recv fail"
  
• Fast resuming with Chinese directories: Bug #869749
  
• System tray icon re-shown after explorer.exe crash (again)
  
• Fix for potential memory leaks
  
• Fix for stalled piece writing
  
• Fix for .torrent file data not being fully written on shutdown
  
• Fix for OutOfMemoryError in DiskManager: Bug #865553
  
• Fix for 'Open a URL' downloading of .torrent file which contains white spaces: Bug #878990
  
• Fix for Fast Resume with Chinese torrents: Bug #878015
  
• Fix for excess thread creation when tracker does not support single-infohash scrapes
  
• Fix for hash checking 0-byte files: Bug #853126
  
• Fix for opening files via Files tab when using MoveOnComplete: Bugs #860822, #878795
  
• Fix for 100% cpu usage after network disconnect/reconnect: Bugs #873957, #879498
  
• Fix for downloaded blocks not being written to disk, due to write-thread stall under high load
  
• Fix for various non-unicode torrent encoding issues regarding resume data
  

• Under Linux + GTK, added an option to setup a vertical offset to re-align graphics
  
• SSL tracker client now gives option to import certificate rather than manually doing so via "keytool"
  
• Start All Downloads option on tray icon
  
• Support for trackers that do not return peerIDs on announce
  
• Sharing - allows files/dirs/dir contents (recursive) to automatically have torrents created for them and torrents hosted
  
• The shared resources will automatically have their torrents recalculated if they change (over Azureus restart)
  
• Tracker allows number of peers returned to be limited
  
• Experimental UDP tracker protocol (see Config->Tracker->Extensions). Azureus client/tracker supports this, as does the XBT tracker (http://sourceforge.net/projects/xbtt/)
  
• Tracker support for GZIP encoding
  
• Tracker support for multiple pages
  
• Tracker pages skinable by placing pages in %azhome%/web
  
• Major extensions to plugin interfaces
  
• Simple Swing based remote admin interface (over SSL+password auth) - email parg@users.sourceforge.net for details
  
• Click on hash in general view to copy hash to clipboard
  
• Quick Change of up speed by right-clicking on the up speed indicator
  

• 'Bind to local IP address' now binds outbound sockets as well
  
• Status now shows when it is re-checking pieces on download completion
  
• URL dialogs are initialized with the first valid link beginning with http:// from clipboard
  
• Under linux, only use ~/.azureus dir if it already exists, otherwise use normal program dir for files
  
• Auto-update: now writes a log to an 'update.log' file
  
• Option to disconnect seeds when seeding is now checked by default
  
• FilesView now shows files even in other states than Downloading (configurable)
  
• Updated/additional menu buttons
  
• Some speed optimizations with piece-picking
  
• Generated PeerID only uses chars that don't need to be escaped, saving bandwidth for tracker communications
  
• Can now identify BitComet, TurboBT, LibTorrent clients
  
• Support for both SI byte units (KiB,MiB,GiB) and more well known, but incorrect KB/MB/GB units via config Interface param
  
• locale choice can force prompt via new config param on "File" tab
  

• 'Re-check pieces when done' now always ignores fast-resume data: Bug #825881
  
• Fix some decoding bugs in Chinese torrent files due to missing locale encodings in dialog box
  
• System tray icon re-shown after explorer.exe crash
  
• Completed downloads shown in different color when Stopped
  
• Fix possible data loss when moving complete files if not enough free space avail: Bug #855284
  
• Fix for the incremental vs allocate choice in Config
  
• DNS lookups are no longer cached for ever
  
• OSX: Hang when closing: Bug #824459
  

• Intelligent Tracker Checking: optimizes tracker re-ask interval for quicker download speed ramp up
  
• Azureus can now run all downloads off one shared incoming port: only need to open/forward one port in your firewall/NAT
  
• Drag-n-Drop moving of downloads in MyTorrents; moving of downloads in MyTorrents with Ctrl + Arrow-Up/Down
  
• Password protected access to tracker web and torrents
  
• GUI Update interval is configurable
  
• Images update interval is configurable
  
• Auto sort on tables possible, interval configurable
  
• MyTorrents view can now be customized (choice of columns and order)
  
• Added new columns to MyTorrents : 'Share Ratio', 'Downloaded', 'Uploaded', 'Health'
  
• Details view can now be customized (choice of columns and order)
  
• SSL now supported for tracker web and tracker updates
  
• Added Drag and Drop of URLs
  
• Multi-Trackers torrents can now be created/edited
  
• Menu option to force a re-check of downloaded data
  
• End-Game Mode: Completes the last few pieces of a download faster
  
• Attempts to download the very beginning of a file first - to support previewing
  
• IPFiltering stats shown in status bar
  
• Toolbar!
  
• Logging of console output to disk
  
• Option to confirm on exit
  
• Bad Peer Detection
  
• Inclusion of XSL stylesheed tag in stats XML file
  
• Editing and selection of tracker announce URLs from general view
  
• Plugin interface for tracker web serving
  
• HTML template (http://html-tmpl-java.sourceforge.net/) support for tracker web serving from %az_home%/web folder
  
• Opening a second torrent with same hash as existing download causes second torrent's announce urls to be merged into the first
  
• Option to not accept multiple connections from the same IP
  
• Option to use the IP Filter list as an 'ALLOW' list
  
• Super-Seed Mode
  
• Pressing a character selects the next download with a name beginning with this character in MyTorrents view
  
• Option to move-on-complete only when data is inside the default save dir
  
• Auto-import new .torrents from a chosen folder regularly
  
• Create torrent allows manual piece size selection
  
• New 'Activity' view (download and upload speed graphics)
  
• Gzip encoding support for tracker announces
  
• Tray icon: added Stop All Torrents
  
• If .torrents are dropped in COPY state (with modifier key Ctrl under Windows), they will begin in STOPPED state
  
• Ctrl + [Home/End/CursorUp/CursorDown] moves selected torrents to top/end/up/down, "Del" removes selected torrents
  
• Ctrl + [S/R] stops/resumes(starts) selected torrents, Ctrl+Shift+S stops all torrents, Ctrl+A selects all torrents
  
• Option to backup .torrent files
  
• Option to play a sound on download finish
  
• Download Basket: TrayWindow always visible for Drag-n-Drop of .torrents
  
• Clickable Tracker URL in Details/General copies the announce URL into clipboard
  
• Tab hot keys: F6 selects next Tab, Shift+F6 selects previous Tab, ESC or CTRL+F4 closes current Tab
  
• Extended Plugin interface
  

• Added, Scheduler Rule menu to allow user adjust timeout rule instead of fixed value
  
• Changed, using all icons from Greg Fleming http://www.darkproject.com

• Multiple downloads in single window
  
• ABC-Tweak to modify ABC display interface with yourself
  
• Queueing system with priority
  
• Supporting on-hold, pause, resume, queue, remove operations
  
• Minimize to taskbar
  
• Displaying torrent details and advanced details
  
• Supporting global setting such as maxport, minport, maxupload, upload transfer rate
  
• Supporting local setting for each torrent as well
  
• Supporting advanced setting from the Shad0w's bittorrent
  
• Supporting shad0w's super-seed mode
  
• Chosable upload options when download is done [unlimited, timer, sharesize]
  
• Torrent won't never be blocked in queue, ABC will reduce torrent's priority and force it to queue with these conditions
  
• 15 minutes, if torrent can't connect tracker
  
• 30 minutes, if torrent can't get any byte from other peers
  
• 1 hour, if seeding torrent has no one download
  
• Choosable number of simultaneous download
  
• Choosable between download to the specific folder or always ask for the folder
  
• Supporting manual adding torrent from both file and url
  
• Supporting automatic adding torrent from url (when you click on .torrent file)
  
• Including make torrent file program
  
• Displaying number of real peer, seed on tracker (for tracker that supports scrape data)
  
• Supporting add, delete, queue, pause, resume and query current torrent status via Web Interface
  
• etc .. -_-"

• Official Bittorrent Client 3.3 (Windows version)
  
• TheSHAD0W's Experimental Bittorrent Client S-5.8.7 (Windows version)
  
• BitTorrent EXPERIMENTAL download client 3.2.1b-2 (Windows version)

New in 3.3:

• Files now only get allocated as they're downloaded and don't fragment
• the hard drive
  
• Large torrents no longer hose the CPU
  
• Better network utilization and more consistent download rates
  
• Poorly seeded torrents get out faster
  
• Several important bug fixes
  

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