Download BitComet

Version:
1.77
Release Date:
2021-05-03
What's New:
Release Notes
Platform Support:
Windows 10/8.1/7/Vista 64bit/32bit
Windows XP/2003/2000 32bit
macOS
macOS
Windows 10/8.1/7/Vista 64bit/32bit
Windows XP/2003/2000 32bit
Android
Windows 98/Me (v1.20 Zip package only)
Language Support:
53 Languages [Help Translate]
License:
Freeware for non-commercial use (at home).
Please refer to License for more details.
ZIP/Old Versions:
ZIP releases (no installation required) and old versions are available

Windows (32-bit/64-bit) / macOS / Android macOS / Windows / Android

Alternative Downloads

v1.77 [Windows] [macOS] 2021.5.3
GUI Improve: add file list to the bottom of torrent list, displaying the content of metadata
GUI Improve: display task remove info in Global Logs when Export mode enabled
GUI Improve: add memory usage details about metadata buffer size
GUI Improve: check Windows firewall rules when program starts, display fix notification if not allowed
GUI Improve: add empty input check for magent URI dialog
GUI Bugfix: number of tasks in tag toolbar not refreshed after task added or removed
GUI Bugfix: the video preview icon not displayed for HTTP task in certain case
Core Bugfix: fix the UDP sending thread stuck after changing listening port
Core Bugfix: program may crash if torrent containing incorrect piece-alignment padding files
Core Bugfix: program may crash due to unsupported IPv6 address
v1.76 [Windows] [macOS] 2021.4.8
GUI Improve: new Tracker Torrents list displays Magnet URI fetched from tracker scrape
GUI Improve: tracker scrape URL can be added to the tracker list below tracker torrents list with the context menu
GUI Improve: add copy IP and port command to the context menu of peer list
GUI Improve: display loading progress for torrent lists
GUI Improve: display Time Received info in torrent list
GUI Improve: display memory used by torrent list in Statistics page
GUI Improve: do not switch to all task list when add new task from RSS feeds automatically
GUI Improve: display progress of folder in file list of BitTorrent task
GUI Improve: support xs parameter in magnet URI for specifying the URL of torrent file
GUI Improve: display the time left of Long-Term Seeds querying in Tracker list of BitTorrent task
GUI Improve: add "Downloads\BitComet" to default download folders for new installation
GUI Bugfix: the metadata icon not refreshed in time after metadata downloaded
GUI Bugfix: fix sort bug for title column of DHT and Tracker torrent list
GUI Bugfix: do not ask to enable DHT network when batch download torrents with torrent download URL
GUI Bugfix: the option of max item count of torrents list can not set to 100000
GUI Bugfix: when the floating window is enlarged, the ordinate display is abnormal in some cases
Core Improve: support arm64 instruction set for Apple M1 in Mac edition
Core Improve: support fetch torrent infohash list from HTTP/HTTPS tracker scrape URL or stats page
Core Improve: support fetch torrent infohash list from WS/WSS tracker with scrape action
Core Improve: improve parsing speed for JSON data
Core Improve: improve compatibility with MiniUPnPd/2.2.0
Core Improve: upgrade OpenSSL to v1.1.1k
Core Improve: enable BitTorrent encryption protocol by default
Core Bugfix: BitTorrent task can not finish downloading if torrent containing incorrect piece-alignment padding files
Core Bugfix: BitTorrent task will scan files to calculate hash after starting even if Long-Term Seeds and eMule plugin not enabled
Core Bugfix: upnp.exe invoked repeatedly in system with multiple networks
Core Bugfix: can not handle long packet of websocket
Core Bugfix: network.tcp_connection_timeout break long connection of websocket
Core Bugfix: remove .piece_part.bc! when remove tasks without deleting downloaded files
v1.75 [Windows] [macOS] 2021.2.18
GUI Improve: add Display Score History item in CometID menu
GUI Improve: display CometID score update info in Global Log pane if expert mode enabled
GUI Improve: add an icon to the download metadata item in the content menu of torrent list
GUI Improve: support any DPI scale in Windows edition
GUI Improve: support open iso files after task downloaded
GUI Improve: add UDP packets rate info in Statistics page
GUI Improve: improve text in Add Peer dialog of BitTorrent task
GUI Improve: display file count and alignment in summary pane of BitTorrent task
GUI Improve: display piece index of files in file list of BitTorrent task
GUI Improve: support WS/WSS trackers in TrackerList of Option dialog
GUI Improve: support globle hotkey for hide/unhide main window in Mac edition
GUI Improve: improve initial size of Option window in Mac edition
GUI Bugfix: grid line in download list not shown when enabled from View menu
GUI Bugfix: do not create shortcut in start menu in systems other than Windows 10
GUI Bugfix: the prompt of existing in Torrent History not displayed if re-download Magnet link after task deleted
GUI Bugfix: Windows Library folder not handled in task batch download dialog from torrent list
GUI Bugfix: display tracker return 0 peer in status column of tracker list
Core Improve: the CometID score renewal cycle is shortened from one day to no more than one hour
Core Improve: store CometID score daily history in local file
Core Improve: improve database access performance
Core Bugfix: program may crash if error occurs when loading data from database
Core Bugfix: program may crash if force quit when task properties window display in Mac edition
v1.74 [Windows] [macOS] 2021.1.15
GUI Improve: display number of Long-Term Seeds in task list
GUI Improve: add the detection and repair of improper disk boost service permissions
GUI Improve: new advanced option: bittorrent.enable_lsd
GUI Improve: add listening port, remote port and peer source columns in Peer list of BitTorrent task
GUI Improve: display LSD status info in Tracker list of BitTorrent task
GUI Improve: display LSD listening port status in Statistics page
GUI Improve: display listening port forwards status for Remote Download in Statistics page
GUI Improve: display detailed network speed info of protocol payload in Statistics page
GUI Improve: display host name of Web Seed in peer list
GUI Improve: display system notification when task download finish in Mac edition
GUI Bugfix: invalid path prompt when import/export tasks and settings in Mac edition
Core Improve: support Local Service Discovery, to search BT peers in local network using UDP multicast
Core Improve: support ws parameter in Magnet URI, to add web seed
Core Improve: upgrade OpenSSL to v1.1.1i
Core Improve: decrease CPU usage in Mac edition
Core Bugfix: fail to preview video files of huge size
Core Bugfix: fix bugs when auto add a suffix to default saving file/folder name automatically for BitTorrent task
Core Bugfix: fix bug in auto-rename when re-download HTTP tasks
Core Bugfix: When detect UDP listen port forwards status, UDP packets from local network should be ignored
v1.73 [Windows] [macOS] 2020.11.27
GUI Improve: new Replace Trackers command in context menu of task list, when multiple BitTorrent tasks selected
GUI Improve: new Update Tracker command in context menu of tracker list
GUI Improve: advanced option to enable UDP Tracker support: bittorrent.udp_tracker
GUI Improve: display TCP/UDP Upload Speed and Cache Size in Long-Term Seeding list for Export Mode
GUI Improve: support sorting items in Long-Term Seeding list for Export Mode
GUI Improve: display Total Row in Long-Term Seeding list for Export Mode
GUI Improve: auto add a suffix to default saving file/folder name automatically for BitTorrent task only when creating tasks quietly
GUI Improve: display DHT announce list in Export Mode
GUI Improve: add a new limit of MAX 100000 for torrent list
GUI Bugfix: torrent size estimation error in torrent make dialog if only single file selected
GUI Bugfix: when batch download multiple torrents with metadata in torrent list, the task will be created one by one
GUI Bugfix: the listen port setting in Remote Download option page should not be disabled if web interface disabled and APP interface enabled
GUI Bugfix: fix mistake of query file size in HTTP task properties window
GUI Bugfix: fix mistake of torrent list statusbar refresh
Core Improve: support WS/WSS Trackers (WebTorrent is unsupported yet)
Core Improve: use worker thread to read files for Long-Term Seeding to reduce UI lag
Core Improve: use worker thread to read files for video file remote playback in APP
Core Improve: optimization for Long-Term Seeding with torrents containing a lot of files
Core Improve: improve torrent list loading, reduce UI lag
Core Improve: support downloading metadata directly in Add New Task window in Android APP
Core Improve: support selecting part of files in torrent to download in Android APP
Core Improve: support download files from finished task in desktop version in computer to Android APP in mobile phone
Core Improve: improve sqlite save operation, reduce disk drive activity
Core Bugfix: files are not deleted when removing tasks which haven't been started yet
Core Bugfix: avoid send duplicate UDP request to DHT nodes
Core Bugfix: cache not released after disable Long-Term Seeding
Core Bugfix: program crash when creating torrent file, if DHT disabled or pending startup
Core Bugfix: bug in auto-rename for the task with duplicated save folder when creating BitTorrent task in batch
Core Bugfix: program cannot start in Windows XP
Core Bugfix: task queue operation incorrectly if task progress dropped from 100% due to file missing detection
v1.72 [Windows] [macOS] 2020.10.21
GUI Improve: add a suffix to default saving file/folder name automatically for BitTorrent task if a file/folder has the same name exists
GUI Improve: stop time-out counting when click any option check-box in duplicate files prompt dialog for BitTorrent task
GUI Improve: auto switch unit for upload/download size in peer list of BitTorrent task
GUI Improve: display memory info in graph pane
GUI Improve: auto layout positions of legends in graph pane
GUI Improve: torrent size estimation handle the piece-alignment option in torrent make dialog
GUI Improve: remove advanced option dht.udp_sessions_threshold, add new advanced option dht.udp_send_queue_threshold
GUI Improve: display number of dropped DHT requires
GUI Improve: show CPU usage in flow graph in macOS version
GUI Bugfix: fix crash when click download eMule plugin button in Option window
GUI Bugfix: creation date in task summary not refreshed after metadata downloaded for BitTorrent task
GUI Bugfix: metadata icon in torrent list not refreshed after metadata downloaded
Core Improve: use worker thread for Long-Term Seeding to reduce UI lag
Core Improve: add support of Long-Term Seeding for files smaller than 1MB
Core Improve: when UDP send queue threshold of DHT reached, incoming DHT requires are dropped
Core Improve: able to identify Shareaza client
Core Bugfix: task queue operation incorrectly if choose seeding directly using exist files after opening torrent
Core Bugfix: if the DHT network startup delay is enabled, the auto-started tasks will not announce to DHT any more
Core Bugfix: crash when DNS querying
v1.71 [Windows] [macOS] 2020.9.7
GUI Improve: add new advanced option: ui.copy_magnet_with_tracker
GUI Improve: add new advanced option: dht.startup_delay_sec
GUI Improve: add new advanced option: dht.udp_sessions_threshold
GUI Improve: add Long-Term Seeding list to left channel list when expert_mode enabled
GUI Improve: display number of files for Long-Term Seeding in flow graph
GUI Improve: display number of DHT nodes and sessions by type in flow graph
GUI Improve: display CPU usage in flow graph
GUI Improve: display flow graph pane under torrent list also
GUI Improve: display UDP sending queue length for separate category in Statistics pane
GUI Improve: display number of DNS cache in Statistics pane
GUI Improve: tracker list supports sorting
GUI Improve: do not switch to download list after add new BitTorrent task from RSS page
GUI Improve: display banned peers of BitTorrent task in separate group
GUI Bugfix: binding IP address in advanced option can not be modified
GUI Bugfix: update time of RSS feeds not changed after manual refresh
GUI Bugfix: tooltip displayed incorrectly when the column order of peer list adjusted
Core Improve: UDP sending queue changed to multiple queues
Core Improve: prevent Sonic Studio 3 DLL injection, enhance program stability
Core Improve: BitTorrent task start Long-Term Seeding automatically if become 100% completed after hash checking
Core Improve: add cache for DNS query
Core Improve: UDP Tracker connect will retry later if length of sending queue reached limit
Core Improve: reduce unnecessary DHT transmission if reached the threshold of UDP sessions
Core Improve: increase the priority of connection for passport login
Core Bugfix: empty folder left after moving downloaded files for finished task
v1.70 [Windows] [macOS] 2020.8.9
GUI Improve: add option to start seeding after generating torrent file
GUI Improve: advanced option system.show_debug_info renamed to system.enable_expert_mode
GUI Improve: add DHT network node list to left channel list when expert_mode enabled
GUI Improve: add flow graph for download speed, upload speed, DHT transfer
GUI Improve: display location code if no location image in peer list
GUI Improve: Add HTTP download in batch window support paste HTTP URL list
GUI Improve: "Remember my settings" in Auto Shutdown menu changed to "Remember Shutdown Condition"
GUI Bugfix: number of Torrent History not refreshed after generating torrent file
GUI Bugfix: peer download progress not displayed in peer list
GUI Bugfix: IP location icon display bug when using 150% DPI
GUI Bugfix: download speed display bug in floating window
GUI Bugfix: binding IP address in advanced option can not be set to unassigned
Core Bugfix: data save failure due to zero-size file in torrent
Core Bugfix: program may crash when downloading pieces containing file boundary in v1.69
Core Bugfix: initial seeding option can not be saved due to asynchronous modification operation of BT task properties (v1.68 - 1.69)
v1.69 [Windows] [macOS] 2020.7.8
GUI Improve: display Mobile APP traffic in the info-tips of upload size and upload speed in task summary pane
GUI Improve: display detailed failure info of download torrent in BT task log pane
GUI Improve: display IP location in peer list of BitTorrent task
GUI Bugfix: the main window should not be restored by relaunch program if entered lock mode while the main window minimized
GUI Bugfix: can't change the default download directory for a task tag in the Option window
GUI Bugfix: handle the situation of LAN IP is the same with WAN IP in Remote Download page of Options window
Core Improve: improve error handling after piece hash check failure of BT task
Core Improve: part of the file operation is moved to the worker thread to reduce UI freeze
Core Improve: improve torrent share data processing and reduce UI freeze
Core Improve: supports brotli compress for HTTP Tracker, torrent download and visit RSS feeds
Core Improve: apply advanced option http.user_agent to all HTTP connections besides HTTP file download
Core Improve: remove HTTP request header: Pragma/Cache-Control: no-cache
Core Bugfix: occasionally crash when starting BT task asynchronously
v1.68.1 [macOS] 2020.6.28
GUI Bugfix: disk space display error in task properties dialog in Mac edition
GUI Bugfix: check box display error in file list of BT tasks in Mac edition
v1.68 [Windows] [macOS] 2020.6.15
GUI Improve: add Bind App button for BitComet Android edition in toolbar and tools menu
GUI Improve: add enable BitComet App option in Remote Download page of Options window
GUI Improve: add Bind App button in Remote Download page of Options window
GUI Improve: add Devices button in Remote Download page of Options window
GUI Improve: add force HTTPS option in Remote Download page of Options window
GUI Improve: display Remote Download info in Statistics pane
GUI Improve: allow piece alignment option when creating private torrent file
GUI Improve: new advanced option: system.process_io_priority
GUI Improve: display long-term seeds info in Tracker list
GUI Improve: add auto refresh option in torrent list toolbar
GUI Improve: add refresh button in torrent list toolbar
GUI Improve: keep selection state of focused item in torrent list when auto refresh
GUI Improve: filter RSS torrent list by RSS feed name
GUI Improve: new option in RSS torrent list: auto download meta-data
GUI Improve: new option in torrent collect list: auto download meta-data
GUI Improve: keep multiple selection in torrent list when auto-refresh disabled
GUI Improve: new column in torrent list: has metadata
GUI Improve: display Long-Term Seeding info in Summary pane when system.show_debug_info turned on
GUI Improve: remember show/hide state of task tags toolbar when program restart
GUI Improve: display UDP transfer info in Statistics pane
GUI Improve: display DNS failure info of UDP transfer in Statistics pane
GUI Bugfix: sort bug for first column of torrent list
GUI Bugfix: the downloaded icon in torrent list does not refresh in time
GUI Bugfix: Option window may display incorrectly when opened for second time in Mac edition
GUI Bugfix: program may crash when drag and drop multiple HTTP links to main windows or floating window
Core Improve: selecting files to download for BitTorrent task changes to asynchronous operation, to reduce the UI lag
Core Improve: clean up unfinished files for BitTorrent task changes to asynchronous operation, to reduce the UI lag
Core Improve: when sharing torrents in Torrent Exchange, give higher priority to the torrents whose content have been downloaded
Core Improve: assign padding attribute to padding files according to BEP47 when creating torrent file
Core Improve: handling padding file attribute when opening torrent file
Core Improve: enhance security for Remote Download
Core Improve: supports view task info from BitComet Android edition
Core Improve: supports add, start, stop task from BitComet Android edition
Core Improve: supports play completed mp4, mkv video files from BitComet Android edition
Core Improve: do not retry within 1 minute after DNS failure for UDP transfer
Core Bugfix: the piece containing file boundary can not be downloaded in individual cases
v1.67 [Windows] [macOS] 2020.5.6
GUI Improve: new command in context menu of task list: search online for the task name
GUI Improve: new global option: save the torrent file to download folder
GUI Improve: display the number of DHT torrents with metadata in left channel pane if show torrents with metadata option enabled
GUI Improve: reduce UI lag of BitTorrent task properties dialog when use network folder as download folder
GUI Improve: new command in context menu of torrent list: search online for the torrent name
GUI Improve: new advanced option: system.check_bcagent, disable check OCX control status for browser extensions at startup
GUI Improve: new settings in tasks page of option window: start queued task if the download speed of slowest task is lower than
GUI Improve: display UPNP port mapping info in global log
GUI Bugfix: the upload limit can not be set to 1, 2, 3...9MB/s in Option dialog
GUI Bugfix: magnet URI tasks not displayed in Uncompleted task list after program restart
Core Improve: the format of data file of torrent history list changed from xml to sqlite, conversation will be performed automatically when program launch
Core Improve: improve algorithm of removing items in torrent list, reduce UI lag
Core Improve: increase sorting speed for snapshot and post column in torrent list
Core Improve: improve algorithm of long-term seeding, reduce UI lag
Core Improve: starting BT task changes to asynchronous operation, to reduce the UI lag
Core Improve: reduce process time for stopping BT task
Core Improve: reduce process time for removing BT tasks without deleting downloaded files
Core Improve: reduce UI lag due to long-term seeding
Core Bugfix: BT task may stop unexpectedly due to file not found if yellow blocks appear in piece map
Core Bugfix: program may crash when sorting torrent list
Core Bugfix: disk boost service not utilized when allocate disk space before downloading option disabled
Core Bugfix: metadata download task not removed when removing items in torrent list
v1.66 [Windows] [macOS] 2020.4.13
GUI Improve: improve icons in toolbar and download list for HiDPI display
GUI Improve: add settings button in toolbar of torrent list
GUI Improve: new option for DHT torrents: Only show torrents with metadata
GUI Improve: add Feed Name in RSS torrent list
GUI Improve: display number of piece in torrent maker dialog
GUI Improve: display metadata downloading info in Statistics pane
GUI Improve: do not display listen port of peer if unknown for BT peers
GUI Improve: "Preview Download Mode" renamed to "Sequential Download Mode" in context menu of BT task
GUI Improve: add Compact Database command in settings menu of torrent list
GUI Improve: new advanced option: bittorrent.dht_torrent_refresh_interval, 5 sec as default to decrease disk activity time
GUI Improve: new advanced option: system.compact_memory_interval
GUI Improve: display configuration file folder in Global Log pane
GUI Improve: display Long-Term Seeding status in Statistics Pane
GUI Improve: add copy command to context menu of settings list in advanced option page
GUI Improve: improve HiDPI support for Batch download dialog
GUI Improve: new option in Proxy setting page: DNS query using proxy server
GUI Improve: add unit choice for Speed limit in Option dialog
GUI Improve: support add batch-download by drag and drop multiple URL links to floating window or main window
GUI Improve: support add batch-download by clipboard monitor
GUI Improve: new advanced option: bittorrent.hash_check_for_ltseed
GUI Improve: add memory usage details about process heap size and disk write buffer size
GUI Improve: new settings in advanced option page to select IP address to bind to when initiate a connection
GUI Improve: show pending DNS number in Statistics pane
GUI Bugfix: the number of torrents in the left channel list is not refreshed in time
GUI Bugfix: sort bug for first column of Torrent History list
GUI Bugfix: task summary panel text alignment
GUI Bugfix: level progress display error when progress is 0% in the lower left corner
GUI Bugfix: incorrect configuration file folder used in certain case
GUI Bugfix: UI lag when select all by Ctrl+A in torrent list
Core Improve: DHT Tracker use worker thread to reduce the UI lag
Core Improve: support initiate a connection using preferred network adapter if multiple network adapters exist in system
Core Improve: support IPv6 connection through SOCKS5 proxy server
Core Improve: support UTF8 BOM when improve URL list from text file in Batch download dialog
Core Improve: support extract URL links containing Chinese characters from html page segment dropped to BitComet from web page
Core Improve: improve memory allocation, decrease memory usage for UDP buffer and log buffer
Core Improve: optimize UDP packet sending efficiency，default value of network.max_udp_pkt_per_sec changed to 1000 from 500
Core Improve: avoid program crash caused by IE component damage
Core Improve: improve Preview download mode for BT task
Core Improve: reduce memory usage when downloading metadata for DHT torrent list
Core Bugfix: the global option "allocation disk space before download" works even when disabled
Core Bugfix: empty files should not be created when performs hash-check
Core Bugfix: connection error retry issue when download from long-term seed
Core Bugfix: fix speed limit deviation
Core Bugfix: "Sequential Download Mode" does not work if "Optimize download strategy for preview" disabled in Option dialog
v1.65 [Windows] [macOS] 2020.3.17
GUI Improve: Display left time in torrent making dialog
GUI Improve: add more items to backup in Import/Export dialog from File menu
GUI Improve: display torrent creation time and RSS article publication time in Summary page of torrent list separately
GUI Improve: the publish time in torrent list changed from torrent creation time to RSS article publication time
GUI Improve: add new commands to context menu of RSS list: Copy title
GUI Improve: the publish time in torrent list can be updated by click Reload command in context menu of RSS torrent node in Channel list
GUI Improve: improve port mapping error message
GUI Improve: the start time of task renamed to added time
GUI Improve: LT Seed number in file list of BT task changed to "connected/total"
GUI Improve: new advanced option to set HTTP retry max number and interval for downloading torrent in BT task
GUI Improve: new advanced option: network.tcp_connection_timeout
GUI Improve: new advanced option: bittorrent.max_connections_per_ltseed
GUI Improve: default setting of UDP packets sent per second changed from 100 to 500 in advanced option page
GUI Improve: display task logs about downloading torrent file from HTTP link for BT task
GUI Improve: add memory usage details in Statistics pane
GUI Bugfix: task delete button in toolbar should not be grayed out when task is running
Core Improve: support import and export Torrent History, Torrent Exchange, RSS Torrents, DHT Torrents via backup file
Core Improve: improve DNS resolution for UDP packet to prevent sending congestion
Core Improve: add error retry for BT task when downloading torrent file from HTTP link
Core Improve: add TCP connecting timeout for automatic disconnection
Core Bugfix: after one file downloaded from a LT Seed, no requests for downloading other file are sent
Core Bugfix: out of memory due to huge number of peer requests to running BT task
Core Bugfix: while proxy server enabled, the program may crash when exiting
Core Bugfix: the max TCP connection setting should be cons considered when initiating a long-term download connection
Core Bugfix: fix improper operation in executable file name safety checking
v1.64 [Windows] 2020.1.15
GUI Improve: add new advanced option: Use toast notifications in action center under Windows 10 (Need to create shortcut in start menu)
GUI Improve: the max connection number for HTTP download task changed from 20 to 200 in HTTP task properties window
GUI Improve: the max default connection number for HTTP download task changed from 20 to 200 in option window
GUI Improve: show notification when the paging file is too small for memory allocation
GUI Improve: add info-tip for peer count, health and share ratio column in task download list
GUI Improve: improve display for HiDPI
GUI Bugfix: the display name parameter in the magnetic link caused the default save name of the downloaded file to be incorrect
GUI Bugfix: issues on sorting torrent list by snapshot or comments
GUI Bugfix: the speed graph not cleared after perform disk cleanup for HTTP task
GUI Bugfix: the queuing state icon not displayed if the task is in error state
GUI Bugfix: the function of sorting by task state not working for queuing tasks
Core Improve: enhanced the ability of HTTP download tasks to detect server support for download resume
Core Improve: reduce memory usage for torrent metadata download
Core Improve: improve video file snapshot, support thumbnail, decrease loading time
Core Improve: disable extra disk writing verify to decrease disk usage
Core Bugfix: if auto file moving launched after hash check when BitTorrent download finished, the files been moved will bot be removed
Core Bugfix: HTTP download should stop immediately after failure of creating file
Core Bugfix: program may crash at exit
v1.63 [Windows] [macOS] 2019.12.20
GUI Improve: new RSS Torrents list in Torrent Exchange, to collect torrent info from RSS feeds
GUI Improve: new DHT Torrents list in Torrent Exchange, to collect torrent info in peer request from DHT network
GUI Improve: add Download Metadata command to context menu of torrent list, to obtain torrent meta-data without creating download task
GUI Improve: add Logs pane to torrent list, to display logs when obtaining torrent meta-data
GUI Improve: decrease displaying time of waiting state when loading web page of task comments and snapshots
GUI Improve: new settings in Proxy option page: do not use proxy for long-term seeding and port forward detection
GUI Improve: display RSS update logs when advanced option system.show_debug_info enabled
GUI Improve: new option in context menu of DHT torrents in left channel pane: auto download meta-data
GUI Improve: new advanced options: Max number of concurrent downloading meta-data, Timeout seconds of downloading meta-data
GUI Bugfix: the default connection number in HTTP batch download window changed from 1 to the setting value in Option window
GUI Bugfix: the speed graph not cleared after perform disk cleanup for BitTorrent task
GUI Bugfix: when click the blank area in piece map scroll bar out of the thumb, page up or page down not triggered.
GUI Bugfix: the status bar of main window flickers when refresh
Core Improve: improve identification code of BitTorrent client name and version
Core Improve: do not detect IPv6 port forward status if global IPv6 address not found in system
Core Bugfix: fix moving operations of configuration files when switch use_app_data advanced option
Core Bugfix: program may crash when force stop tasks in stopping state
Core Bugfix: the option of clear Torrent Collection list at program exit does not work
Core Bugfix: the passkey parameter in tracker URL for private torrent should not be removed for non-MagnetURI torrents received from RSS feed
Core Bugfix: if no data received from RSS feed, the reconnection will not be preformed in certain case
Core Bugfix: if the torrent turned out private after meta-data received, no trackers should be added automatically from trackers-list
v1.62 [Windows] 2019.11.26
GUI Improve: a new option to seed using existing files when create task by torrent file, check piece hash until uploading the piece
GUI Improve: improve refresh algorithm of piece map to decrease CPU usage
GUI Improve: display a piece in yellow if the piece is unchecked in the piece map pane of BitTorrent task
GUI Improve: improve display refreshing code of torrent share list, reduce the UI lag when display large amounts of torrents
GUI Improve: a new prompt to choose download one by one or in batches when select multiple magnet links in torrent share list
GUI Improve: add tooltip to display peer_id when mouse hover on client name of peer list
GUI Improve: the default allowed max size of torrent file changed from 10MB to 20MB, and a new advanced option added: bittorrent.max_torrent_size_mb
GUI Improve: boss key renamed to lock / unlock main window hot-key. password will be needed when unlock if startup password is set.
GUI Improve: new advanced option: bittorrent.anti_leech_banned_peer_ids
GUI Improve: new advanced option: bittorrent.anti_leech_private_torrent, disabled by default
GUI Improve: show notification when out of memory
GUI Improve: Task disk space cleanup can only be invoked when task stopped
Core Improve: BT stop changes to asynchronous operation with new task Stopping state, to reduce the UI lag when stopping tasks
Core Improve: improve processing flow to reduce the UI lag when task finishes downloading
Core Improve: improve processing flow to reduce the UI lag when deleting running tasks
Core Improve: discard cache data in running BitTorrent tasks when quit BitComet to reduce the UI lag
Core Improve: improve processing flow of task start to reduce the UI lag
Core Improve: improve processing flow of task progress auto save to reduce the UI lag
Core Improve: the format of data file of torrent share list changed from xml to sqlite, conversation will be performed automatically when program launch
Core Improve: reduce the memory consume for loading torrent share list, to avoid program crash due to large amounts of torrents
Core Improve: use worker thread to save data file of torrent share list incrementally, to avoid UI lag caused by saving data file at program exit
Core Improve: decrease CPU usage when uploading in high speed
Core Improve: increase the max allowed length of request queue for BitTorrent task
Core Improve: update BitTorrent client identification code for Tixati
Core Improve: support retrieve peer client name and version from extension protocol, on the basis of the identification from peer_id
Core Improve: auto fix mistaken creation date format in torrent file
Core Bugfix: when completed task list selected in left pane, Magnet tasks downloading meta data should not be displayed
Core Bugfix: fix data error from uploading disk cache in rare cases
v1.61 [Windows] 2019.11.4
GUI Improve: improve filter for auto torrent download from RSS feed
GUI Improve: do not display unknown as name for tasks created from HTTP URL of torrent file
GUI Improve: new command in context menu of RSS article list: copy torrent link
GUI Improve: show tooltip when mouse hover on status column of peer list
GUI Improve: check disk boost service when program starts, display fix notification if not installed
GUI Improve: task finish popup changed to toast notification of Action Center in Windows 10
GUI Improve: auto update interval of RSS feed changed to the shorter one of user setting and feed setting
GUI Improve: add new setting bittorrent.anti_leech_banned_ports in Advanced page of Options window
GUI Improve: The option window automatically adjusts the window size according to the minimum size of the page when switching pages
GUI Improve: add search options box in Advanced page of Options window
GUI Bugfix: the setting of max number of RSS article works incorrectly
GUI Bugfix: refresh task properties dialog after meta-data downloaded right away
GUI Bugfix: fix display problem of floating window with HiDPI scale
GUI Bugfix: remove obsoleted option: display task properties dialog after meta-data downloaded for Magnet link
GUI Bugfix: publisher info not displayed in BitTorrent task properties dialog
GUI Bugfix: copy RSS feed URL will get RSS feed web-page URL
Core Improve: Improve compatibility with XML file formats returned by RSS feeds
Core Improve: for the option that start a new task from waiting queue when total download speed lower than setting value, also stop a slowest task at the same time
Core Improve: switch to IE11 render mode for RSS web-page in Window 10
Core Bugfix: The Magnet link task addition time is changed from the time of torrent file downloaded to the time of task created.
Core Bugfix: problem about the auto refresh interval for RSS feeds
v1.60 [Windows] 2019.10.17
GUI Improve: add new command to File menu: add torrents from RSS feed
GUI Improve: add RSS page in Option window, to configure RSS feed auto refresh and RSS torrent auto download
GUI Improve: new setting in RSS page of Option window: add tag to task using feed title when auto download torrent from RSS feed
GUI Improve: new setting in RSS page of Option window: pause download when auto download torrent from RSS feed
GUI Improve: new setting in RSS page of Option window: filters for RSS torrent auto download
GUI Improve: add new commands to context menu of RSS list: Copy RSS feed URL, Open page in Browser
GUI Improve: able to download torrents using multiple-selection in RSS article list
GUI Improve: add toolbar to web page pane of RSS article
GUI Improve: new column in task list: number of task files
GUI Improve: improve display speed of opening Option windows
GUI Improve: support copy text in multiple lines of Statistics pane
Core Improve: add RSS feed auto refresh and RSS torrent auto download function
Core Improve: display corresponding RSS article title in task log when add torrent from RSS feed
Core Improve: improve disk reading cache for BitTorrent uploading, decrease UI lag
Core Bugfix: fix memory leakage when connecting to trackers using HTTPS protocol
Core Bugfix: fix bug in task merging when one task downloaded a torrent from HTTP having the same infohash as another task
v1.59 [Windows] [macOS] 2019.9.17
GUI Improved: revert task remove window, add Cleanup command to task context menu
GUI Improved: improve Torrent Share list refresh
GUI Improved: the max value of advanced setting network.max_connecting_connections changed from 1000 to 10000
GUI Improved: add advanced option log.tracker_limit to set the max number of logs for tracker
GUI Improved: add advanced option log.task_limit to set the max number of logs for task
GUI Improved: add Clear Log command to context menu of Tracker list, available when system.show_debug_info enabled
GUI Improved: add Clear Log command to context menu of task log list, available when system.show_debug_info enabled
GUI Improved: display number of pending TCP connections in Statistics pane
GUI Improved: add indicator for private torrent in summary pane of BitTorrent task
Core Improve: improve memory allocation strategy, decrease memory fragment
Core Improve: decrease interval of creating new TCP connections, and increase network throughput
Core Improve: remove passkey parameter from tracker URL for private torrent received from Magnet Link
Core Improve: active Long-Term seeding after task downloading finished immediately
Core Improve: do not retry when failed to send STOP action to tracker
Core Bugfix: improve peer connection request algorithm, avoid new added peers not been connected for a long time
v1.58 [Windows] [macOS] 2019.7.6
GUI Improved: support 32MB piece size when creating torrent file, and show estimated size of torrent
GUI Improved: add fit column size command in context menu of list view header
GUI Improved: add 2 new options in task remove window: delete unfinished download files only, delete all downloaded files
GUI Improved: display torrent creator info in task summary page
GUI Improved: improve floating window display for HiDPI
GUI Improved: allow up to 10 new task windows to be displayed simultaneously
GUI Improved: display flag for registered BitComet users of IPv6 in peers list of BitTorrent task
GUI Improved: display tracker returned leechers amount in tracker list of BitTorrent task
GUI Bugfix: display issue of item group fold/unfold in Statistics pane
GUI Bugfix: max upload rate per BitTorrent task in Option window does not take effect immediately when changed
GUI Bugfix: Long-Term seeding upload speed not displayed in tooltip of BitTorrent task summary pane when task stopped
Core Improve: improve peer connection request algorithm: assign high priority for new added peers, and cleanup dead peers with failures
Core Improve: enable Long-Term seeding immediately after new torrent created
Core Improve: max allowed connection interval of tracker changed to 120 minutes
Core Improve: add advanced option: bittorrent.save_connected_peers_only
Core Bugfix: when select part of files in torrent to download, the left size sent to tracker should include all uncompleted files
Core Bugfix: the upload, download size in first announce to tracker is incorrect when task restart after stop
Core Bugfix: announcement not sent to tracker when task restart immediately after stop
Core Bugfix: no DHT nodes should be written into torrent when DHT Network option unselected in torrent maker window
Core Bugfix: connection error after first announce to HTTPS tracker
Core Bugfix: HTTP download fails when URL contains IPv6 address host
Core Bugfix: improve stability of Long-Term Seeding disk cache
v1.57 [Windows] [macOS] 2019.5.8
GUI Improved: choose only KB/s or MB/s as speed unit automatically, excluding B/s
GUI Improved: do not allow reentrancy of new task creating window to avoid stack overflow
GUI Bugfix: program may crash at exit triggered by Windows shutdown/restart/logoff
Core Improve: support TLS v1.3 for HTTPS
Core Improve: support Server Name Indication for multiple domains hosted HTTPS sever
Core Bugfix: Long-Term Seeding does not work for certain torrents
v1.56.0 [macOS] 2019.3.20
Core Improve: synchronize with Windows version
v1.56 [Windows] 2019.3.13
GUI Bugfix: mistake in UI translations
Core Bugfix: disk cache setting for Long-Term Seeding does not take effect
Core Bugfix: improve stability of Long-Term Seeding
Core Bugfix: Long-Term Seeding does not work in pure IPv6 network
Core Bugfix: after all trackers in private torrent been replaced, no tracker will be connected when task downloading
v1.55 [Windows] 2019.1.14
GUI Improved: add new task categories "Uncompleted" and more in left Channel pane, which can be switch by context menu
GUI Improved: add RSS feeds in left Channel pane
GUI Improved: Statistics pane displays listening port status of IPv4, IPv6, TCP, UDP separately
GUI Improved: Trackers pane displays peer number from PEX
GUI Improved: Peers pane displays downloaded and uploaded size of disconnected peers
GUI Improved: new Long-Term Seeding disk cache setting in Option window
GUI Improved: Statistics pane displays disk cache info of BitTorrent transfer, HTTP download and Long-Term Seeding separately
GUI Improved: choose KB/s or MB/s as speed unit automatically
GUI Improved: when sort task by time, display tasks of unknown time as earliest
GUI Improved: identify video file type of .webm and .ogv
GUI Bugfix: toolbar display incorrectly after change Windows UI theme
GUI Bugfix: tooltip of task summary will show up even when window not in foreground
GUI Bugfix: occasionally crash when display popup window of task download progress
Core Improve: support Long-Term Seeding in IPv6 network
Core Improve: optimize the disk cache for Long-Term Seeding
Core Improve: add UDP incoming status detect for listening port
Core Improve: report IPv4, IPv6 address to other peer in dual-stack network, to establish double way connections
Core Bugfix: decrease UI lag when executable file download finished
Core Bugfix: too many tracker connections when multiple BitTorrent tasks download at the same time
Core Bugfix: improve stability of Long-Term Seeding
v1.54.0 [macOS] 2018.12.12
GUI Improved: update translations
Core Improve: synchronize with Windows version
v1.54 [Windows] 2018.12.6
GUI Improved: add log out action when all task finished
GUI Improved: increase disk cache max limit for 64 bits system
GUI Improved: add option to disable peer exchange globally in advanced page of Option window
GUI Improved: update translations
GUI Bugfix: crash when remove task if file list pane tab reordered
GUI Bugfix: should not use index.html as default file name if no name found in Magnet URI dragged from web page
Core Improve: decrease disk cache size when page file insufficient
Core Bugfix: incoming connection should be disconnected immediately when invalid encryption BitTorrent protocol detected
v1.53.11 [macOS] 2018.11.25
Core Bugfix: program crash occasionally
v1.53.10 [macOS] 2018.11.23
Core Improve: enhance crash report ability
v1.53.9 [macOS] 2018.11.22
GUI Bugfix: minor UI bugs
v1.53.8 [macOS] 2018.11.16
GUI Bugfix: support UPnP NAT port mapping
GUI Bugfix: minor UI bugs
v1.53.7 [macOS] 2018.11.13
GUI Bugfix: the scroll bar in task list not shown
GUI Bugfix: the tooltip for detailed info in summary pane not shown
v1.53.6 [macOS] 2018.11.12
GUI Bugfix: the Auto Shutdown functions in Tools menu does not work
v1.53.5 [macOS] 2018.11.6
GUI Bugfix: the option of prevent system from sleep when task running does not work
v1.53.4 [macOS] 2018.11.5
GUI Bugfix: program may crash when input numbers text field
GUI Bugfix: Piece Map displays empty pane
v1.53.3 [macOS] 2018.11.4
GUI Bugfix: program may crash when displaying tooltip
Core Bugfix: program may crash when detecting listening port status
v1.53.2 [macOS] 2018.11.3
GUI Bugfix: crash when change proxy settings in options window
v1.53.1 [macOS] 2018.11.2
GUI Improved: add update check for mac version
GUI Bugfix: crash when change connection settings in options window
v1.53.0 [macOS] 2018.11.1
first published version for macOS
v1.53 [Windows] 2018.10.26
GUI Improved: support add BitTorrent task using 32-byte Base32 encoded infohash of magnet link directly in "Open torrent from URL" dialaog
GUI Improved: increase maximum text length of input box in "Open torrent from URL" dialaog
GUI Improved: add resize ability to "Open torrent from URL" dialaog
GUI Improved: improve support for high-DPI monitor of statistic information dialog of multiple tasks
GUI Changed: remove VIP Acceleration page from Channels in left pane
GUI Changed: remove VIP Acceleration tab from BitTorrent task properties dialog
GUI Bugfix: dialog display will be deferred while high-speed downloading
Core Improve: the max value of network.max_connecting_connections in advanced options changed from 200 to 1000
Core Bugfix: the default value of network.start_connect_interval_ms in advanced options changed from 200 to 100
Core Improve: support IPv6 address when detecting listening port status
Core Changed: remove VIP Acceleration and Anonymous Download for BitTorrent task
v1.52 2018.7.18
GUI Improved: HTTP(S)/FTP download support IPv6 URL link
GUI Improved: Peer list and Tracker list support display IPv6 address
GUI Improved: IPv6 address of LAN/WAN displayed in Statistics pane
GUI Improved: DHT network node info of IPv4 and IPv6 displayed in Statistics pane
GUI Improved: add SHA256 checksum verification to HTTP task properties dialog
GUI Improved: add DNS resolve error info for UDP Tracker
GUI Improved: upgrade UI text translation website https://bbcomet.com/projects/bitcomet/
GUI Bugfix: unable to add HTTPS URL as Web Seed in torrent file maker window
GUI Bugfix: errors when displaying new version upgrade window
Core Improve: support IPv6 network (Windows XP SP1 or later required)
Core Improve: support IPv6 HTTP Tracker
Core Improve: support IPv6 UDP Tracker
Core Improve: support IPv6 DHT Tracker
Core Improve: allow upload pieces containing file boundary when part of files in torrent selected for download
Core Bugfix: data not saved into piece_part file correctly in a few particular situations when part of files in torrent selected for download
v1.51 2018.6.12
GUI Improved: new settings in Tracker page of option window, automatically add trackers when start BitTorrent download
GUI Improved: new settings in Tracker page of option window, automatically update trackers list every day
GUI Improved: increase max value for global rate limit, task rate limit and scheduler rate limit from 9999kB/s to 100MB/s
GUI Improved: improve support for high-DPI monitor
GUI Bugfix: unsupport download torrent file from HTTPS link
GUI Bugfix: remove P2PCache function from Advanced page of Option window, which was out-of-service for a long time
Core Improve: improve download speed stability of BitTorrent downloading
Core Improve: increase max download speed of single connection of BitTorrent downloading
Core Improve: refine Crash Report program
Core Bugfix: fix problems when exit program while high-speed downloading
v1.50 2018.5.3
GUI Improved: the file list in BitTorrent task properties dialog can switch between simple list and tree list
GUI Bugfix: background color of URL input box displayed incorrectly when create new HTTP task
GUI Bugfix: speed graph displayed incorrectly when high speed downloading
Core Improve: refine Crash Report program
Core Improve: update BitTorrent client identification code
Core Bugfix: certain file name displayed incorrectly in BitTorrent task
v1.49 2018.2.6
GUI Improved: improve context menu of Torrent History list, Torrent Share list and Torrent Collection list
GUI Improved: add Transmission to allowed client list in Option window
GUI Improved: improve support for high-DPI monitor
GUI Bugfix: order disordered when collapse or expand sorted file list of BitTorrent task
GUI Bugfix: when open directory of a file in sub-directory from the file list of BitTorrent task, incorrect directory opened
Core Improve: update BitTorrent client identification code
Core Improve: decrease piece_part file size for BitTorrent task with only part files selected to download