BitComet 1.56 File Sharing P2P Client for PC Windows

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* 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

* GUI Improved: support Web Seed when make torrent file
* GUI Improved: support modify Web 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

* 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

* GUI Improved: remove torrent share list in simplified Chinese version