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BitComet 1.40

BitComet is a BitTorrent/HTTP/FTP download management software, which is powerful, fast, very easy-to-use, and completely FREE. It contains many advanced features for BitTorrent download and extends its leading BitTorrent technology to HTTP/FTP to accelerate downloading up to 5 - 10 times faster, or more.

Highlights:


* Video Download - any video from any site!
o Now able to download any video/mp3/flash files from ANY website

* BitTorrent Download - fast and powerful
o Torrent Share: Exchange torrent while downloading
o Preview while Downloading: Preview of MP3, rmvb, wmv, and qt is available during downloading process.
o Align File to Piece Boundary: Better for making torrent, fully compatible with old versions.
o Intelligent Connection Optimization: Configuration is automatically set to match your connection type.
o Intelligent Disk Cache: Memory cache is used to reduce the read/write frequency of your hard drive, therefore increasing service life.
o Quick Resume: The torrents can be seeded or resumed immediately without time consuming scans.
o Auto Config ICF (Internet Connection Firewall) and ICS (Internet Connection Sharing) in Windows XP
o Auto Config UPNP port mapping in router (UPnP support is required in router, Windows XP is required).
o Option of Disabling and Setting Priority of Files in any torrent: Files can be disabled, so they are not downloaded, or set to higher or lower priority, allowing you to select which files finish first.
o Also support Multi-tracker, DHT, utf-8 extension, and UDP tracker Protocol v2.

* HTTP/FTP Download - Innovative P2P Technology
o P2P downloading: BitTorrent technology is integrated into HTTP/FTP download, with which BitComet automatically finds other clients and gets data from them to increase your download speed,without additional bandwidth usage of the HTTP server.

User's rating:

  • Currently 2.91/5
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History updates (Complete changelogs since the listing on this site)

1.40 [11-12-15]

GUI Improved: support Windows 10 GUI Bugfix: Torrent make dialog not displayed when drag-n-drop files to the web-view pane in main window Core Bugfix: when delete download task and its files together, sometimes certain sub-directories are not removed

Other versions : 1.38 1.37 1.36 1.35 1.34 1.33 1.32 1.31 1.30 1.29 1.28 1.27 1.26 1.25 1.24 1.23 1.22 1.21 1.20 1.19 1.18 1.17 1.16 1.15 1.14 1.13 1.12 1.11 1.10 1.09 1.08 2008.7a

v1.38 [04-07-15]

GUI Improved: add open-folder button in download finish pop-up window GUI Improved: display download speed and progress together when floating window re-sized large enough GUI Improved: change the option of auto-stop seeding time from minutes to day-hour-minute GUI Bugfix: fix the floating window display problem when using multiple monitors Core Improve: improve file read/write performance, reduce UI stuck Core Improve: support ReFS disk volume Core Improve: support Chrome browser extension Core Bugfix: the minimize value of network.max_connecting_connections in advanced options changed to 8 Core Bugfix: fix bugs in IE extension

v1.37 [01-02-14]

GUI Improved: add download speed/progress graph in task summary pane GUI Improved: add download size in total, upload size in total, torrent create time in task list, hidden by default GUI Improved: display new finished tasks in bold GUI Improved: display proxy server connection errors in task log GUI Improved: after hash checking, mark the banned and removed files in piece map as empty GUI Improved: improve the operation of open file, open folder and invoke anti-virus software, avoid UI not response GUI Improved: add new language: Kurdish GUI Bugfix: fix the bug of missing file extension name when start download by Magnet URI GUI Bugfix: fix the bug of not keeping selection state when switch between task list and torrent exchange list GUI Bugfix: install package supports Windows 8.1 Core Improve: improve Firefox extension to support multiple Firefox versions Core Bugfix: fix the bug in Firefox extension that unable to start BitComet from Save As dialog Core Bugfix: fix the bug of the save folder of HTTP/FTP file is not set to the desired one from remote download webpage

v1.36 [05-07-13]

GUI Bugfix: program crash occasionally when delete task Core Improve: support Firefox 20

v1.35 [03-04-13]

GUI Improved: show the "Saving data" tip when shut down computer while BitComet running (Vista or later) GUI Improved: max seeding time changes from 1000min to 99999min. max share ratio changes from 2000% to 9999% GUI Improved: do not show right-bottom corner popup tips by default GUI Improved: changes some text in UI Core Improve: support Firefox 18 Other Change: switch to new translation site: www.bbcomet.com

v1.34 [09-19-12]

GUI Improved: improve Remote Download web page GUI Bugfix: the torrent file creation time in UTC is not displayed correctly GUI Bugfix: support jump list of taskbar in Windows 8 Core Improve: support Firefox 15 Core Improve: add queuing state to VIP Acceleration, which can be canceled anytime while queuing or preparing. Core Bugfix: cannot finish hash check for torrents with 16MB piece size Core Bugfix: the proxy settings cannot be saved when the IE proxy setting is empty

v1.33 [08-18-12]

GUI Improved: update comment info in torrent list when torrent comment page loaded GUI Improved: remember export folder when selecting multiple tasks to save torrent files GUI Improved: store the settings of Socks and HTTP proxy server separately GUI Bugfix: after clear all in Torrent Collection list, the corresponding number in left Fav bar not cleared GUI Bugfix: remove the space at the beginning of the first column in each line of Tracker list GUI Bugfix: in BitTorrent task properties dialog, the selection size is always 0 when the folder collapsed GUI Bugfix: certain language names displayed in Tools menu incorrectly GUI Bugfix: using Tab key to navigate among panels of main window Core Improve: support Firefox 14 Core Bugfix: program crashes when connect to proxy server with authentication info

v1.32 [03-15-12]

GUI Improved: improve the snapshot icon display in task list GUI Improved: when resize the main window, keep the width of left fav bar unchanged GUI Improved: when load a URL list file to do a batch download, show a message if duplicated URLs detected GUI Bugfix: after sort task list, the sort state will not be restored when program restart GUI Bugfix: when download a Magnet URI, the default save folder is not filled in the new task dialog GUI Bugfix: when multiple URL links are selected in IE9 web page, they cannot be drag&drop to the floating window GUI Bugfix: the sort state of task list will be broken when modify the task filter GUI Bugfix: if the multiple-monitor configuration of Windows changed during program running, some dialog will be displayed in invalid position GUI Bugfix: when multiple tasks are selected, the refresh of task number in status bar will flicker GUI Bugfix: fix the program icon of 256x256 Core Improve: support Firefox 10 Core Bugfix: program may crash if failed to load detail file of any task

v1.31 [12-23-11]

GUI Improved: save the heights of task list pane and Torrent History pane separately GUI Improved: keep the tasks which occur downloading error together when sort task list by state GUI Improved: add confirm dialog when restore the display of hidden torrents in Peer Share list GUI Bugfix: Auto-Shutdown at specified time does not work GUI Bugfix: open URL using system default browser instead of IE GUI Bugfix: torrent file icon should not use the program icon GUI Bugfix: when adding new Torrent, all files will be downloaded instead of only selected GUI Bugfix: task position in the task list should not be changed when press Home/End GUI Bugfix: the setting of View - Task list - Show filter does not work when program starts Core Bugfix: handle torrent file not using UTF-8 encoding

v1.30 [11-12-11]

GUI Improved: cleaned up and improved a lot of code, reduce program size GUI Improved: add VIP download list button in task list toolbar GUI Improved: do not allow hide the title column of task list GUI Improved: new command in View menu: Find Task (Ctrl+F) GUI Improved: switch file list to Simple List or Tree List, from context menu GUI Improved: display the tree list of files correctly when the files in Torrent are not sorted by directories Core Improve: support Firefox 7 Core Improve: the file size limit of Torrent changed to 10MB Core Improve: support torrents whose piece size is not the integral multiple of 16 KB

v1.29 [09-27-11]

GUI Improved: display prompt message when UI no response while writing piece_part file GUI Improved: new option in advance page of BitTorrent task properties dialog: Bypass task seeding rules, keeps active GUI Improved: change the health value of task displayed on the right of availability graph in task summary to the availability value GUI Improved: display the download size/rate from VIP Acceleration in the tooltip of task summary GUI Improved: after click the prompt balloon of task finish, the corresponding task will be highlighted in the list GUI Bugfix: task list failed to sort by download/upload size GUI Bugfix: tracker setting not saved after remove a tracker from the context menu of tracker list Core Improve: Web seeding supports HTTP servers which do not accept range request Core Improve: improve connection request algorithm, decrease unnecessary connection number Core Improve: disable eMule plugin for Anonymous Download Core Improve: support Firefox 6 Core Bugfix: BitTorrent download containing too many files can not launch VIP Acceleration Core Bugfix: failed to auto-shutdown after all download finished if any queued seeding task exists

v1.28 [07-13-11]

GUI Improved: move VIP Acceleration window into BitTorrent task properties dialog GUI Improved: new option in VIP Acceleration tab of BitTorrent task properties dialog: Anonymous Download GUI Improved: add Anonymous Download state to VIP icon in task list GUI Improved: bookmark list in left favorites bar recovered GUI Improved: remember the position and size of task properties dialog GUI Improved: add Folder and Private columns in task list, hidden by default GUI Improved: display a balloon tip when accessing network share folder leads to UI no response GUI Improved: 32/64 bit editions use separate install packages GUI Improved: auto update identify 32/64 bit editions correctly GUI Improved: the language list uses the language names provided by Windows GUI Improved: add icons to the main menu and context menu of floating window GUI Improved: display a balloon tip when launch a new instance of BitComet while another is exiting GUI Improved: the default action of minimize button of main window changed to minimize to task bar under Win 7 GUI Improved: remove the AutoRefresh option in Torrent Collection toolbar. new torrents are appended to the bottom directly GUI Improved: when the display number of Torrent Collection list reaches max value, a info bar will be displayed GUI Improved: add Remove command to Torrent Collection list GUI Improved: decrease start-up delay of Torrent Collection by loading torrents information asynchronously GUI Improved: display a balloon tip when sorting the list of Torrent Collection leads to UI no response GUI Improved: add a icon for "Properties" in the context menu of task list GUI Improved: improve the thumbnail task list for system tray icon and floating window when mouse hovering GUI Improved: add "reset to default layout" the context menu of detailed tabs of Torrent Share and Torrent History GUI Improved: the option of "show detailed info" in View menu works for Torrent Share and Torrent History GUI Improved: display free memory of BitComet process in Statistics pane GUI Bugfix: disable task operation buttons in toolbar when display VIP download list GUI Bugfix: the setting of show toolbar and show status bar in View menu not remembered GUI Bugfix: failed to read cookie from Firefox 4 when add HTTP download GUI Bugfix: support saving files larger than 4G in volume of HFS+/HFSJ/HFSX GUI Bugfix: v1.27 failed to start under Win2000 GUI Bugfix: the text of weekday in Schedule setting page misplace in certain display setting condition GUI Bugfix: batch adding torrents have Chinese file name will fail under English Windows XP Core Improve: support Anonymous Download for tasks enabled VIP Acceleration, preventing any direct connection to trackers or BitTorrent peers Core Improve: update BitTorrent client identification code Core Bugfix: memory access violation leading to program crash

v1.27 [04-30-11]

GUI Improved: display Batch Download window when drag&drop multiple torrent files to main window or floating window
GUI Improved: remove the drop-down menu from the delete button in toolbar of Torrent History or Torrent Share list
GUI Improved: add "Show Detailed Info" option in View menu
GUI Improved: new setting in option dialog: add to Torrent Share when opening torrent
GUI Improved: display translation text of "Day" and "Hour" in task left time
GUI Improved: display recovered and dropped data size by hash-checking in task log list
GUI Improved: display used memory size in Statistics pane
GUI Improved: new setting in Advanced Option page: max number of UDP packets sent per second
GUI Improved: display upload/download speed in the left of main window's title bar
GUI Improved: display more accurate error info when opening Magnet URI of unsupported types
GUI Improved: display preview window of task downloading progress when mouse hovers on floating window or system tray icon
GUI Improved: display Batch Download window when open multiple torrent files from File menu
GUI Improved: display confirm window if tasks need hash-check when started
GUI Improved: add new global option: display hash-check confirm window
GUI Improved: enhance video file capture ability of Firefox extension
GUI Improved: max cache size in global options page up to 16 GB under 64-bit system
GUI Improved: display download/upload size of this session in Statistics pane
GUI Improved: drop-down menu of remove button in toolbar is removed. click remove button with shift key can remove download task and files together
GUI Improved: decrease the context menu level of floating window and system tray icon
GUI Improved: available space can be displayed correctly even if the save folder is a symbol link to other volume
GUI Improved: improve the crash report program
GUI Improved: new task list of VIP Downloads
GUI Improved: "delete task and files" removed from task context menu. click "delete task" menu command with shift key to delete download task and files together.
GUI Improved: support context menu of IE 9 to download using BitComet
GUI Improved: modify the size of BT task properties dialog, compatible with 1024x600 resolution
GUI Improved: display navigation pane of Windows Explorer when open task download folder under Windows XP
GUI Improved: the text of task status in summary pane can't be displayed completely when it's too long
GUI Improved: new button in toolbar: add Magnet URI
GUI Improved: BitComet video download extension for Firefox supports Firefox 4
GUI Improved: BitComet plugin for Firefox supports Firefox 4
GUI Improved: un-installation program will notify running BitComet to exit
GUI Changed: update check for popular software removed totally
GUI Changed: remove the "Don't show again" option in task remove confirm window
GUI Bugfix: "Open Forum" button in toolbar become invalid when file list is showing
GUI Bugfix: after remote connection established, the network status light turns green, but the tooltip of the light and the listening port status in Statistics pane not refreshed
GUI Bugfix: in v1.26, certain settings in Proxy page can't be saved
GUI Bugfix: in v1.26, unable to create new tag from Task Tag option page
GUI Bugfix: in v1.26, the seed number not displayed in task summary pane
GUI Bugfix: the option "add to Torrent Share when opening torrent" doesn't work
GUI Bugfix: when mouse hovers on the system tray icon, the preview window of task downloading progress displayed in incorrect position
GUI Bugfix: the detail info windows of download/upload size in task summary pane couldn't be able to shown up after program running for a long time
GUI Bugfix: the task state icon displayed as warning if only download part of files of a BitTorrent and choose "Download Later"
GUI Bugfix: after increase text size of Windows (DPI setting), the layouts of certain windows went wrong
GUI Bugfix: the function of shutdown computer after all task download finished ignores tasks in queue
Core Improve: native support for 64-bit system
Core Improve: read file in working thread after disk cache of BitComet used up, to avoid UI responding slowly while high-speed seeding
Core Improve: slow down download speed when disk writing speed can not catch up, to avoid UI responding slowly while high-speed downloading
Core Improve: improve uploading queue handing, to boost uploading speed in LAN
Core Improve: if the the download drive not accessible when task starts, hash-check will be skipped to avoid download progress be reset
Core Bugfix: stop and restart BT task containing 0 size files will lead to unnecessary hash-checking
Core Bugfix: drop incoming peers whose listening port is unknown when their connection disconnected
Core Bugfix: files not closed after task stopped as disk space full, making those files locked for moving or removing
Core Bugfix: if only select part of files in a BitTorrent download, the task progress may fall back after hash-checking
Core Bugfix: when the setting of allocate space before downloading enabled, only the space of the first 50 files is allocated
Core Bugfix: if the save folder is a junction of directory, the download will fail
Core Bugfix: download rate limit for single BT task not applied to downloading from Long-Term Seeds

v1.26 [01-28-11]

GUI Improved: improve text information displayed in VIP acceleration dialog
GUI Improved: improve progress bar of disk space in task properties dialog
GUI Improved: new setting in advanced option page to enable/disable auto hash check after downloaded file changed
GUI Improved: new setting in advanced option page to enable/disable disk boost service (only Vista and later)
GUI Improved: display the status of disk boost service in statistical tab (only Vista and later)
GUI Improved: tasks in queue will be displayed in Active task list
GUI Improved: improve re-connection timers displayed in tracker list
GUI Improved: do not display torrent downloading prompt dialog when open a magnet link
GUI Improved: improve GUI font when choosing Traditional Chinese in non-Traditional Chinese Windows
GUI Improved: simplify torrent status icon in torrent history and torrent share list
GUI Improved: do not fix the width of date column in torrent history and torrent share list
GUI Improved: improve display refreshing code of torrent history and torrent share list, reduce CPU usage
GUI Improved: display the default command in context menu of torrent history and torrent share list as bold
GUI Improved: new command in context menu of Torrent Collect list: Add to Torrent Share
GUI Improved: add openbittorrent and publicbt as default trackers when creating torrents
GUI Improved: green light appears after incoming connection established from a remote peer
GUI Improved: add large icon of 256*256 for Vista/Win7
GUI Improved: add new column to Torrent History list: private torrent
GUI Improved: do not lock the width of preview column in task list
GUI Improved: display total download time in task summary tab
GUI Improved: display the number of days in case of downloading left time is more than 24 hours
GUI Improved: check downloaded files at program startup, and display warning icon on task if file missing. It can be disabled in advanced option page.
GUI Changed: Long-Time Seeding renamed to Long-Term Seeding
GUI Bugfix: the downloaded size in task statistical dialog when selecting multiple tasks is invalid
GUI Bugfix: when mouse cursor hovering on system tray icon in XP, the task running info balloon can not be shown
GUI Bugfix: the delete button in toolbar grayed out when pressing Ctrl to select multiple items in Torrent History and Torrent Share
GUI Bugfix: in the global option dialog, the max value of cache size for each connection of HTTP download should be 2MB
GUI Bugfix: after torrent downloaded for Magnet URI, the hidden options in advanced page of task properties dialog is not shown right away
GUI Bugfix: the error message of failure to listen on UDP port is not accurate
Core Improve: using disk boost service to create large files when start downloading, to speed up disk operation, avoid UI no response (only Vista and later)
Core Improve: improve kernel to reduce CPU usage for UI refreshing when downloading BitTorrent task
Core Improve: connect to one only tracker at a time when downloading private torrent, and clear all peers when switching tracker
Core Improve: improve crash report program
Core Improve: improve transport interval of peer exchange
Core Improve: use worker thread to process socket message, thereby reduce message handling in UI thread
Core Bugfix: do not connect to tracker when remove a tracker from tracker list (thanks to kluelos)
Core Bugfix: when listening port disabled in option dialog, program will dead-loop when exit

v1.25 [12-09-10]

GUI Improved: new global option: customize actions of mouse double-click on task list
GUI Improved: show log of trackers from tracker list
GUI Improved: display progress bar of disk space in task properties dialog
GUI Improved: add Torrent History button to toolbar of task list
GUI Improved: add task list button to toolbars of Torrent History ad Torrent Share
GUI Improved: remember sort state of task list after program restart
GUI Improved: new icon for Torrent History
GUI Improved: VIP Acceleration can be canceled if a task can not complete for a long time
GUI Bugfix: UNC path can not be set as default download folder in option dialog
Core Bugfix: improve kernel stability
Core Bugfix: improve stability of BHO

v1.24 [11-12-10]

GUI Improved: add "VIP Accelerate" for BitTorrent download, enable from the VIP icon in task list
GUI Improved: new global settings: move downloaded files to specified folder after task finished
GUI Improved: add task filter on the top of task list, filter tasks by states, tags and keywords
GUI Improved: move task tag list from the favorites bar at left to the task filter bar above task list
GUI Improved: add keyboard shortcut Ctrl+F to find task
GUI Improved: show batch download dialog when open multiple magnet links using Ctrl+U
GUI Improved: change the text of preview/open in task list to icon
GUI Improved: remove the upper limit of the peer number displayed in peer list of BitTorrent task and display all
GUI Improved: display a yellow warning icon for tasks that failed to move/rename files after download finished
GUI Improved: improve the "Search ED2K links" dialog launched from the file list of BitTorrent task
GUI Improved: add thumbnail picture for task bar button in Windows 7, to display downloading task information
GUI Improved: display download progress on task bar button in Windows 7
GUI Improved: add frequent used operations to context menu of task bar button in Windows 7
GUI Improved: new global settings to specify main window action when program starts, minimized or closed
GUI Improved: new option for auto-shutdown, to action once or forever
GUI Improved: OpenDir, Properties and Delete buttons in toolbar available when switched to Torrent History list
Core Improve: support "VIP Accelerate" for BitTorrent download
Core Improve: keep original creator name of torrent file when save torrent as
Core Bugfix: connect to peers returned from DHT network using encryption protocol by force (thanks to Ori)
Core Bugfix: VideoSnapshot.exe can not exit normally when processing abnormal video files
Core Bugfix: change the limit of disk cache up to 2GB

v1.23 [09-04-10]

GUI Improved: add Summary tab to Torrent History and Torrent Share list
GUI Improved: open Torrent from URL dialog supports multiple URLs
GUI Improved: export all torrents in one time by selecting multiple tasks in task list, Torrent History or Torrent Share list
GUI Improved: display "click to add" in file list when BitTorrent task missing ED2K links
GUI Improved: add Snapshot and Comment tab to Torrent History and Torrent Share list
GUI Improved: new command in context menu of Torrent History: "add to task list"
GUI Improved: support import unfinished download files with any extension name
GUI Improved: new advanced option: allow preview program to open files of any type from file list (thanks to greywizard)
GUI Improved: enhance video file capture ability of Firefox extension
GUI Change: CometPassport renamed to CometID
GUI Bugfix: percent of score bar for CometID level up displays invalid for level 50+ (v1.22)
GUI Bugfix: after modifying save path in task properties dialog and selecting moving files, the downloaded files are copied to new folder, not moved
GUI Bugfix: no beeps after download completed (v1.22)
GUI Bugfix: after changing torrent file encoding in task properties dialog, the task name in Torrent History is not refreshed
GUI Bugfix: cannot send crash report under XP
GUI Bugfix: after switched to Torrent History, some buttons in toolbar should disabled
Core Improve: supports HTTP 301/302 redirecting for Web Seed
Core Improve: eMule plugin Xtreme Mod upgraded to v8.0 (eMule v0.50a)
Core Improve: after error code received from Tracker, increase retry interval and re-connect later
Core Improve: increase priority of HTTP tracker connection
Core Improve: improve piece request algorithm for BitTorrent task, reduce CPU usage
Core Bugfix: if BitTorrent task containing multiple files, multiple eMule plugin will be launched incorrectly(v0.50a)
Core Bugfix: failed to generate Crash Report in Vista/Win7 (v1.22)
Core Bugfix: upload task number limit works incorrectly when there are any task whose torrent not downloaded yet
Core Bugfix: perform hash-check if file changed or missing when start BitTorrent task
Core Bugfix: FTP download did not handle the error of disconnect by server unexpectedly
Core Bugfix: FTP download failed to resume download from certain FTP servers
Core Bugfix: fix DNS query function

v1.22 [07-01-10]

GUI Improved: improve IE context menu display effect under Vista/Win7
GUI Bugfix: tab key response incorrectly in Torrent Maker dialog
Core Improve: improve compatibility of UDP transmission modular with third-party software
Core Improve: eMule plugin upgraded to v0.50a
Core Bugfix: failed to fetch cookie info from Firefox 3.0 and above when HTTP downloading
Core Bugfix: failed to save DHT nodes file when program exiting in some situation
Core Bugfix: fix DNS query function
Core Improve: do not reset task progress to 0% when disk drive inaccessible(e.g. flash disk unplugged)
Core Bugfix: fail to save task list when use_app_data == false under Vista/win7 (v1.21)
Core Bugfix: improve kernel stability

v1.21 [05-31-10]

GUI Improved: support open magnet URI with multiple tracker parameters
GUI Improved: include multiple tracker parameters when copy magnet URI from BitTorrent task
GUI Improved: download installation package of new version in background automatically if enabled
GUI Improved: support SHA1 verification for downloaded file in HTTP task properties dialog
GUI Improved: display confirmation dialog when choose re-download HTTP task
GUI Improved: improve icons in context menu of task list
GUI Improved: rename "Web Interface" to "Remote Download" in Option dialog
GUI Improved: username, password and referrer can be specified when add HTTP download in Remote Download web page
GUI Improved: add log list for HTTP task connections in Remote Download web page
GUI Improved: add start/stop operations in task info web page of Remote Download
GUI Improved: Firefox extension supports capture .hlv video file
GUI Improved: when using multiple user accounts of Windows, each user has individual task list and program settings
GUI Bugfix: share ratios of BitTorrent tasks are displayed incorrectly when program just started
GUI Bugfix: displaying tooltip in toolbar may lead to crash
Core Improve: support file path longer than 260 characters
Core Improve: remove LUA scripts support for intelligent rename of HTTP download
Core Improve: update BitTorrent client identification code
Core Bugfix: fail to download HTTP URL containing single quotes

v1.20 [03-27-10]

GUI Improved: new command in file menu: "Import Unfinished Download", supports BitComet, uTorrent, Xunlei
GUI Improved: start download from torrent infohash directly in "Open torrent from URL" dialog
GUI Improved: drag & drop task names to rearrange task list(when task list not sorted)
GUI Improved: BT task summary tab: show BT task pieces number; show down/upload speed/size detail info in tooltip when mouse hovers on them
GUI Improved: BT task peer list: new command "Friend Upload Slot" in the context menu, for only one IP at the same time
GUI Improved: BT task tracker list: show seeds, peers, downloaded number returned from tracker
GUI Improved: BT task file list: sort file names in the same order as Windows Explorer(thanks to RadioNoise)
GUI Improved: display snapshots tab in new BT task dialog when open torrent file
GUI Improved: modify the size of BT task properties dialog, compatible with 1024x600 resolution
GUI Improved: for finished BT task, "search for Long-Time Seeds" displayed as "enable Long-Time Seeding", "search for eMule sources" as "enable upload to eMule sources" in task properties dialog
GUI Improved: new global option: maximum number of concurrent seeding BitTorrent tasks
GUI Improved: new global option: Don't use proxy for tracker/peer connections
GUI Improved: new global option: specify separated listen port for Web UI
GUI Improved: supports Occitan language(see langHowTo-Translate.txt)
GUI Improved: when using remote desktop, disable highlight the row on which mouse hovers in file list, peer list and tracker list
GUI Improved: improve compatibility of install package with Vista/Win7
GUI Bugfix: tailing space in tracker address leads to connection failure
GUI Bugfix: can't start BitTorrent download when drag&drop a Magnet URI text to floating window
Core Improve: use UTF-8 encoding when making torrent file by default for all language versions of Windows
Core Improve: improve algorithm, reduce CPU usage of DHT modular, avoid GUI blocked
Core Improve: improve algorithm, reduce CPU usage of Long-Time Seeds download modular, avoid GUI blocked
Core Improve: support HTTPS tracker
Core Bugfix: after Scheduler stopped all tasks, the option of "Auto start task when download rate less than specified rate" will still start tasks
Core Bugfix: after BT task stopped, corresponding DHT connections didn't stop totally
Core Bugfix: invalid DHT packet may lead to program crash(thanks to Pierre Noguès)
Core Bugfix: task list backup file from v1.19 can't be imported by itself

v1.19 [02-24-10]

GUI Improved: Torrent maker dialog changed to modeless window
GUI Improved: supports edit Tracker URL for Magnet URI task before torrent downloaded
GUI Improved: new command in Tools menu: enable eMule plugin, show/hide plugin window
GUI Improved: support set task tags in BT/HTTP task properties dialog
GUI Improved: move downloaded files to tag associated folder optionally when add task tag using task context menu
GUI Improved: supports switch input focus to list control inside task tabs by Tab key
GUI Improved: add icons to task context menu
GUI Improved: display "not supported" in ed2k link field of file list for private torrents
GUI Improved: new setting in advanced page of option dialog: system.show_debug_info
GUI Bugfix: can't drag&drop download links to floating windows from IE8 in Win7
GUI Bugfix: the save path edit-box in BT/HTTP task properties dialog doesn't support mouse wheel
GUI Bugfix: Web interface doesn't support to download Magnet URI
GUI Bugfix: the last task in task list doesn't get refreshed in some situation
Core Improve: support BitTorrent Extension Protocol of peer exchange, compatible with BitTorrent mainline
Core Improve: new eMule plugin (based on Xtreme 7.2 mod)
Core Bugfix: after removing tasks without removing files, the Long-Time Seeding for these files won't stop immediately
Core Bugfix: after disable LT Seeding in option dialog, running tasks won't stop downloading from Long-Time Seeding immediately

v1.18 [01-21-10]

GUI Improved: display the properties of multiple tasks will show a task statistics dialog
GUI Improved: drag&drop a Magnet URI or HTTP URL to main window of BitComet will launch a download
GUI Improved: add legend to the piece map tab of task
GUI Improved: new setting in advanced page of option dialog: system.use_app_data, detailed info refer to wiki
GUI Improved: display error message when failed to load/save task list xml file
GUI Improved: new command in context menu of tracker list: add tracker
GUI Improved: new setting in connection page of option dialog: randomize port each start
GUI Improved: display "added date" in torrent history, and hide "snapshots", "comments", "rating", "popular" by default
GUI Improved: display translator info in about dialog
GUI Improved: enhance BHO, display BitComet icon in context menu of IE8
GUI Improved: enhance video downloader extension for Firefox, display captured files in Tools menu besides in context menu
GUI Improved: new setting in BT task page of option dialog: display task properties dialog after torrent downloaded from Magnet URI
GUI Improved: display batch download dialog when multiple torrents selected to download in Torrent Exchange
GUI Bugfix: when shutdown scheduled at specified time, shutdown will still be launched when all download finished
GUI Bugfix: error occurred when non-admin user try to modify IE integration setting under Vista/Win7
GUI Bugfix: task properties dialog displayed incorrectly for right-to-left languages, e.g. Arabic and Hebrew
GUI Bugfix: the setting of shutdown at specified time does not take effect at first time
Core Improve: save bak files for task list xml file up to 7 copies
Core Improve: update BitTorrent client identification code
Core Improve: the BT tasks which haven't downloaded torrent will not enter the task queue
Core Bugfix: enhance the stability of UDP transport
Core Bugfix: enhance the stability of HTTP proxy connection

v1.17 [12-30-09]

GUI Improved: support download Magnet URI when click "Open Torrent from URL" from file menu
GUI Improved: change "copy BC link" in context menu of task list, Torrent History and Torrent Exchange to "Copy Magnet URI"
GUI Improved: new auto-shutdown condition: shutdown at specified time
GUI Improved: display information of every connection to the same server in connection tab of HTTP task
GUI Improved: add context menu to BT task file list header, to select columns to display
GUI Improved: display the preview buttons of files in BT task file list according to each file's downloading progress
GUI Improved: support mouse wheel in task summary
GUI Improved: remove "Task Content" tab
GUI Improved: highlight the row on which mouse hovers in file list, peer list and tracker list
GUI Improved: rename "Super-Seeding" to "Initial-Seeding" in BT task properties dialog
GUI Improved: display local-language name of every language in Tools menu, besides theirs English name
GUI Improved: remove es_ar language due to the limit in launchpad.net, and add Uighur
GUI Improved: rename Torrent Archive under Torrent Share to Torrent Share under Torrent Exchange, and add Torrent History in addition
GUI Improved: display introduction page when click Torrent Exchange in left fav tree
GUI Improved: new option in BT task page of options dialog: add to Torrent History when open .torrent file
GUI Improved: new option in BT task page of options dialog: list of BitTorrent clients allowed connecting to
GUI Improved: new option in Integration page of options dialog: associate with Magnet URI
GUI Improved: option to restart program immediately when send crash report
GUI Improved: when opening video file, use the player program configured in advanced option
GUI Bugfix: fix many spell mistakes in GUI (thanks to greywizard)
GUI Bugfix: cannot input Web Seed address longer than one row of the input edit-box
Core Improve: support BitTorrent Extension Protocol of metadata exchange, compatible with BitTorrent mainline
Core Improve: support BitTorrent Extension Protocol of report DHT port, compatible with BitTorrent mainline
Core Bugfix: display file failed to create in task log when start new BT task in certain situation
Core Bugfix: can not open torrent file containing multi-files, in which the name field ends with space

v1.16 [11-11-09]

GUI Improved: add "Task Tags" page to Options dialog, default download folder for each tag can be set here.
GUI Improved: improve "Directories" page in Options dialog, task tags for each candidate download directory can be set here.
GUI Improved: set task tag and default download folder for new task automatically according to file extension name.
GUI Improved: improve drop list of save folder in task properties dialog, display candidate download directories and corresponding tags
GUI Improved: add "Set as Default Directory" button in BT task properties dialog
GUI Improved: add "Super Seeding" option in advanced page of BT task properties dialog
GUI Improved: add BT task log list
GUI Improved: add preview/open button in BT task file list
GUI Improved: display user group info in peer list of BT task in blue
Core Improve: support Super Seeding for BT task (for initial seeding server only)
Core Improve: improve preview download mode for BT task
Core Improve: improve connection algorithm of Long-Time seed
Core Bugfix: save task list failed in Vista/Win7 64bit
Core Bugfix: data in first/last piece of file may not be saved properly when select part of files in BT task to download
Core Bugfix: failed to remove torrent file with read-only attribute in program data folder when remove BT task

v1.15 [09-26-09]

GUI Improved: task information panel lists change to task information tabs, support drag & drop and context menu
GUI Improved: redesign "Task Summary" tab
GUI Improved: task "Recommend" page changes to "Start Page" tab
GUI Improved: hide unnecessary task tabs when no task selected or task stopped
GUI Improved: add "Network Setting Wizard" to "Network" page in Option dialog
GUI Improved: improve context menu of status bar, add "port mapping again" and "help"
GUI Improved: add download/upload limit setting to context menu of floating window and system tray icon
GUI Improved: show "ED2K link" in file list of BT task
GUI Improved: highlight the current time block in scheduler setting page
GUI Bugfix: password not cleared when change user name in CometPassport sign in dialog
GUI Bugfix: pieces status and upload speed of emule plugin display incorrectly in peer list
Core Improve: emule plugin upgraded to v0.49c
Core Improve: improve connection algorithm of Long-Time seed for high-speed network
Core Improve: "Start all seeding" from context menu of floating window do not start tasks with file missing
Core Improve: improve DNS query
Core Improve: update task finish time when BT task download finished again after selecting more files to download
Core Bugfix: EVENT_COMPLETE should be sent to tracker only when all files in BT task downloaded, not only selected (v1.13 and v1.14)
Core Bugfix: connection number too small after some files in BT task finished
Core Bugfix: UPNP modular can not exit normally sometimes
Core Bugfix: task should enter in queue if when started during stopped time of schedule
Core Bugfix: remove port mapping of eMule plugin when program exiting

v1.14 [08-01-09]

GUI Improved: support Wed Seed when make torrent file
GUI Improved: support modify Wed Seed list in BT task properties dialog
GUI Improved: display download/upload rate of user group in peer list of BT task
GUI Improved: display downloading piece position in peer list of BT task
GUI Improved: display balloon on system tray icon when disk busy leading to GUI losing response
GUI Improved: new appearance option: minimize when program start
GUI Improved: add loading page to bookmark in left fav bar
GUI Improved: loading torrent collection list from xml file in working thread, avoid GUI freezing
GUI Improved: decrease the delay switching to torrent collection list from task list
GUI Improved: add new command in context menu of floating window: start uploading all
GUI Improved: change the BitComet icon in system tray to grey when program exiting
GUI Improved: new setting in connection panel of option dialog: Alternate max upload rate when not downloading
GUI Improved: statistics panel displays current download rate limit and upload rate limit
GUI Improved: individual max concurrent downloading task numbers for BT tasks and HTTP tasks in option dialog
GUI Improved: new "Force" option for BT task protocol encryption in option dialog
GUI Improved: new setting in Long-Time Seeding panel of option dialog: Auto upload rate control
GUI Improved: statistics panel displays current upload rate limit of long-time seeding
GUI Improved: BitComet not responding dialog will be closed automatically after GUI resumed
GUI Bugfix: can't add HTTP Tracker whose port is 80 in BT task properties dialog
GUI Bugfix: if task selection state changed before task delete dialog displayed, the task will be deleted may not be the originally selected
Core Improve: BT task supports downloading from Web Seed, compatible with BitTorrent mainline
Core Improve: decrease CPU usage of DHT modular
Core Improve: ban the peers from the specified IP even they changed peer ID
Core Improve: improve connection algorithm for UDP download from Long-Time seed
Core Improve: send no-retry instruction to remote UDP peers when exiting
Core Improve: improve connection algorithm for BT uploading
Core Improve: give BT upload connection higher priority when auto upload rate control of long-time seeding enabled
Core Bugfix: max simultaneous half-open TCP connection number in advanced option page does not take effect
Core Bugfix: making torrent file may fail if there're too many files in the specified folder

v1.13 [06-24-09]

GUI Improved: add "Uploading" queue to the left fav bar
GUI Improved: BT task file list in properties dialog and right-bottom pane changes to tree list for directory structure
GUI Improved: BT task file list in properties dialog and right-bottom pane support sorting
GUI Improved: add new commands to context menu of BT task file list: expand/collapse folders
GUI Improved: add check box to BT task file list pane for each file and folder, to switch download it or not
GUI Improved: add connection status icon for each peer in BT task peer list
GUI Improved: add "new peer" command to context menu of BT task peer list
GUI Improved: BT task peer list displays prompt string when frozen by ScrollLock
GUI Improved: support only export selected tasks into backup file
GUI Improved: support import tasks from backup file and merge them into task list
GUI Improved: select whether import global program settings while import tasks from backup file
GUI Improved: language list in Tools menu changes to a 2-level sub menu
GUI Improved: add loading page to task content, Snapshot, Comment and Recommend pane
GUI Improved: do not clear rate graph in floating window when stop all tasks
GUI Improved: do not show the message of missing BitCometAgent.dll when program start
GUI Improved: optimize reconnect time after Comet Passport sign in failed
GUI Improved: add support for several new languages (see langHowTo-Translate.txt)
GUI Bugfix: when open a GB2312 encoding torrent file in traditional Chinese Windows, the task name and publish info displays incorrectly after change character encoding
GUI Bugfix: TCP, UDP mode setting of Long-Time seeding in advanced options can not be saved
GUI Bugfix: restore the torrent archive list which removed in v1.12
GUI Bugfix: if select none of files in BT task to download, the task progress will display incorrectly when program start next time
Core Improve: improve taskname.piece_part.bc! file structure, which used to save file boundary data for BT task, therefore decreased memory usage
Core Improve: BT task Anti-Leech setting changes to three levels: "disable", ""auto", "strict"
Core Improve: improve network modular code, avoid program losing response when download in high speed
Core Improve: add disk cache for UDP Long-Time seeding, 50MB max
Core Improve: set the thread priority of UDP Long-Time seeding below normal
Core Bugfix: memory leak in UDP uploading modular of Long-Time seeding
Core Bugfix: too many memory and CPU used when Long-Time seeding in high speed using UDP

v1.12 [05-25-09]

GUI Improved: remove torrent share list in simplified Chinese version

v1.11 [05-04-09]

GUI Improved: elevation is not needed to associate torrent file in Windows Vista
GUI Improved: save to My Document in HTTP batch download dialog is supported
GUI Improved: the client version and transfer mode of Long-Time Seeding peer is displayed in peer list of BT task
GUI Improved: add piece error column in peer list of BT task, hidden by default
GUI Improved: display connection time of Long-Time Seed in peer list of BT task
GUI Bugfix: when using multi-monitor, BitComet do not restore window position to the monitor last exit from.
GUI Bugfix: can't sort peer list by the cols that in the right of any hidden column
Core Improve: support the UDP transfer mode of Long-Time Seeding, can be enabled in advanced options
Core Improve: support test UDP port in WAN/LAN ip detector
Core Improve: stop connect to a peer that send too many error pieces
Core Improve: improve connection algorithm for Long-Time seeding
Core Improve: improve the compatibility to the old versions of eMule plugin, support v1.06 and later
Core Improve: delete Thumbs.db when remove task downloaded files
Core Improve: set taskname.piece_part.bc! as hidden file, avoiding deleted accidently
Core Improve: update bittorrent client identification code
Core Bugfix: program crash when using proxy server
Core Bugfix: user and password setting for proxy server do not work
Core Bugfix: making torrent file fail if containing empty sub-folders
Core Bugfix: invalid local IP displayed in statistics pane
Core Bugfix: publish date of very few torrent display incorrect in torrent collection list

v1.10 [03-16-09]

GUI Improved: add task search box in toolbar, which can be enable from View menu
GUI Improved: add a button in HTTP task properties dialog to set current download folder as default
GUI Improved: improve the file type filter in BT task properties dialog
GUI Improved: improve the auto shutdown function in Tools menu
GUI Improved: show item number count in HTTP batch download dialog
GUI Improved: new command in context menu of task archive list: show torrent file properties dialog
GUI Improved: show task index and total count in floating window when it's large enough
GUI Improved: new setting in advance page of option dialog: User-Agent string for all HTTP task
GUI Improved: add support for several new languages (see langHowTo-Translate.txt)
GUI Improved: do not switch to task list after download a torrent file from torrent collection list
GUI Bugfix: download several torrents from torrent collection list and display their task properties dialog at the same time may cause program no response
GUI Bugfix: files large than 4GB can be downloaded to volume using exFAT
Core Improve: improve file boundary data save for BT task
Core Improve: enhance virus protect auto-config
Core Improve: HTTP download task support redirection to relative path
Core Bugfix: authentication information is not send to server in very few situations of HTTP redirection
Core Bugfix: private BT task will search peers in DHT network in very few situations
Core Bugfix: uploading of Long-Time seeding is unstable

v1.09 [02-09-09]

Core Bugfix: certain BT task may occur progress error caused by saving file boundary data when task stop

v1.08 [01-19-09]

GUI Improved: add filter by file type to file list in BT task properties dialog
GUI Improved: display torrent create software and create date display BT task properties dialog
GUI Improved: support to add mirror URL manually in HTTP task properties dialog
GUI Improved: move the option of "power off or standby after download finish" from option dialog to Tools menu
GUI Improved: remove toolkit VistaTcpPatch.exe, merged into main program
GUI Improved: open torrent file directly if existed in torrent archive when open BC link
GUI Improved: show task archive and torrent collection immediately after program startup, without pending load
GUI Improved: improve the item number info in status bar when filter the torrent archive and torrent collection
GUI Improved: append new torrent to the bottom of torrent archive or torrent collection list
GUI Improved: remove old torrent from the top of torrent collection list, when the torrent number reaches the max number
GUI Improved: new download status icon in torrent archive list, to indicate the task download finished
GUI Improved: add "open save folder" command to the context menu of torrent archive list, available after task download finished
GUI Improved: add "Unhide all" command to the context menu of torrent collection list
GUI Improved: hit Del to delete selected items in torrent archive list, or block selected items in torrent collection list
GUI Bugfix: when the item in torrent archive or torrent collection has no snapshot, click the empty snapshot icon area will open invalid webpage
Core Improve: improve connection algorithm for Long-Time seeding
Core Improve: improve file boundary data dave for BT task
Core Improve: ignore thumbs.db when makiing torrent file
Core Bugfix: download failed from certain video website
Core Bugfix: user name and password info filled in HTTP task don't take effect if reference page not filled

v2008.7a [07-20-08]

minor update

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The doDownload.com constantly monitors the update of all programs, including information from the BitComet 1.40 changelog file, however sometimes it can happen that data are not complete or are outdated.We assume that author continue's to develop 1.41 version with further advanced features, and soon you will be informed. Equally important 2.0 upgrades of the program we will continue to monitor. Full BitComet description has been compared with the overall software database and our algorithm has found the following applications (are showed below).