Saturday, April 7, 2007

µTorrent Version 1.7

µTorrent Version 1.7

µTorrent is an efficient and feature rich BitTorrent client for Windows sporting a very small footprint. µTorrent was designed to use as little cpu, space and memory as possible while offering all the functionalites expected from advanced clients. With BitTorrent, you can download files faster and contribute by sharing files and bandwidth.

Features of "µTorrent":
· Multiple simultaneous downloads
· Smart bandwidth usage
· File level priorities
· Configurable bandwidth scheduling
· Global and per-torrent speed limiting
· Quickly resumes interrupted transfers
· UPnP support (WinXP only)
· Supports popular protocol extensions
· Trackerless support (Mainline DHT)
· Localized to different languages
· Typical memory use less than 6 MB
· Incredibly small: 200 KB

Changes in µTorrent Version 1.7

2007-04-17: Version 1.7 (build 1355)
- Feature: Open URL in browser from RSS Releases tab
- Feature: Handle different half-open limits on Vista flavors
- Feature: Display Opera peer id
- Feature: Display BitTyrant peer id
- Feature: Support 3-state checkboxes in addtorrent dialog treeview
- Feature: Support multiple selection in addtorrent dialog treeview
- Feature: The addtorrent dialog treeview now displays icons based on the type of the file
- Change: Adjust horizontal scrollbar size in addtorrent dialog treeview
- Change: Logging options now independently selectable
- Change: Force a re-check after download location change of a stopped torrent
- Change: Better memory management
- Change: Add ability to install a shortcut to the quicklaunch menu
- Change: Always custom-draw checkboxes in addtorrent dialog treeview
- Change: Add Torrent dialog selects all items by default (return to old behaviour)
- Change: Handle disconnect during handshake sequence
- Change: Increased default setting of bt.auto_ul_min
- Fix: Auto uplink now correctly updates seed-only limit
- Fix: Memory leak
- Fix: Improved management of halfopen connections (remove some edge conditions)
- Fix: Display an error for invalid folder name in the edit field while browsing for folder
- Fix: Refresh RSS releases icons after download
- Fix: Properly update icon on RSS releases if item is deleted from history
- Fix: Do not add RSS item to history or update smart episode filter if .torrent download fails
- Fix: Incoming port no longer gets set to 65535 if there is an error
- Fix: Check state of items in addtorrent dialog treeview are now updated when child items are toggled
- Fix: Uninstall display name is now unicode complaint and displays correctly across locales
- Fix: Shortcut names are now unicode complaint and display correctly across locales
- Fix: uTorrent client names of later versions are now displayed properly in the peers tab
- Fix: UPNP and NATPMP now map the correct port when port 0 is chosen

2007-04-10: Version 1.7 (build 1170)
- Fix: "Move Up" tooltip corruption

2007-04-10: Version 1.7 (build 1167)
- Change: Compact memory when system resources are low
- Fix: Improved UPnP device detection by setting TTL
- Fix: Multiple monitor clipping problem
- Fix: "Duplicate ID" detection
- Fix: A duplicate connection race condition

2007-04-07: Version 1.7 (build 1137)
- Change: ctrl+up/down in torrent list is now ctrl+alt+up/down
- Fix: log scrolling bug
- Fix: & characters in add torrent dialog
- Fix: update disk free in Add Torrent dialog when a new path is chosen
- Fix: Lots of Settings dialog layout fixes
- Fix: Context menu now shows up in the add torrent dialog
- Fix: Items in add torrent dialog are now selected on right-click
- Fix: Display issues with add torrent dialog when there is only one item in a torrent and that item is a folder
- Fix: DHT status and update were switched

2007-04-06: Version 1.7 (build 1111)
- Change: Dynamically load system file and folder icons for add torrent dialog (thus appearing more up to date on some systems)
- Change: Integrate tracker warning with tracker status
- Change: Clip the size of all resizable dialogs to the current monitor on creation
- Change: Will now use custom-drawn checkboxes in add torrent treeview if IE version is less than 4, instead of checking if they are really available
- Change: Never grey out associate .torrent files button in preferences so users can fix existing associations if they want
- Change: Change to how the random port number is selected at startup to avoid it being in use
- Change: Don't create DefaultIcon subkey if maindoc.ico doesn't exist so associated .torrent files have an icon on XP/VISTA if maindoc.ico doesn't exist
- Fix: Get free disk space on 95 varieties if there is no history in the add torrent dialog
- Fix: Previous build incorrectly handled some CLASSES registry keys and didn't remove them properly. This is fixed.
- Fix: Z/tab order of treeview in add torrent dialog
- Fix: UPnP discovery issues)

2007-04-05: Version 1.7 (build 1092)
- Fix: missing torrent crash bugs
- Fix: Don't have treeview size in addtorrent dialog exceed client size of the scrollbox (thus having the full vertical scrollbar showing all the time)

2007-04-05: Version 1.7 (build 1088)
- Change: Tooltips over status bar and toolbar are now native tooltips instead of custom-drawn
- Fix: Bandwidth Allocation selection bug fixed
- Fix: Modal dialog boxes now give focus on close to the proper window (add button in RSS now gives focus back to RSS window, for example)

2007-04-05: Version 1.7 (build 1065)
- Feature: Outgoing port range, via advanced settings (net.outgoing_max_port)
- Feature: List number of pieces we have in General tab (as part of Pieces:)
- Feature: Mark unavailable pieces as red in the Files tab (like in the general tab)
- Feature: Auto uplink throttling (beta)
- Feature: List web seeds in General tab
- Feature: Web seed support for single-file torrents
- Feature: NAT-PMP support
- Feature: Local Peer Discovery
- Feature: Option to configure whether rate limits apply to local peers (bt.limit_local_peers)
- Feature: Support for HTTPS links in RSS feeds
- Feature: Next Piece display
- Feature: Remembering the last selected tab in the main view
- Feature: Remembering the last selected tab in the preferences view
- Feature: Vista font scaling support (DPI aware)
- Feature: Secondary column sorting should now be supported by all list views
- Feature: New treeview-based add torrent dialog
- Feature: Added Reboot and Quit on Finished options
- Feature: Tracker "warning message" support
- Change: State files (resume.dat etc) are now hash protected
- Change: Save aside bad state files as .bad for analysis
- Change: Remove modal state file dialogs, instead log a message, only modal at program exit
- Change: UPnP now ignores net.outgoing_port setting
- Change: Added grid lines to speed graphs
- Change: Parse FlashGet client version
- Change: Added Log Errors to Logger context menu
- Change: Reject duplicate IDs (mimic Mainline)
- Change: Remove UPnP unicast
- Change: Send multiple UPnP search messages each time (because UDP is awesome)
- Change: Display client name as advertized in extension header
- Change: The scrolled window in the main tab is now able to receive standard input
- Change: New installation system, including the ability to uninstall
- Change: Now notes if it can't use APPDATA for settings in the log
- Change: Main window is now clipped to the monitor it is run on
- Change: Search bar is now hidden if the window is too small
- Change: During execution the application no longer prompts the user to save the resume file; only on exit now
- Change: The number of queued items in the create torrent dialog is decreased, which results in a quicker response time when stopping creation
- Change: Several ok/cancel dialogs have been replaced with shorter yes/no versions
- Change: Log listview now selects current item if it is full and keeps getting messages
- Change: New method is used to try to automatically determine an open port for the speed wizard on startup. This same method can be used by setting the incoming port to 0.
- Change: show tooltips for items in listviews with elipses "..."
- Change: Add some keys and input to scrolled window in general tab
- Change: Show torrent creator by the "Created On:" column in the general tab
- Change: highlight existing torrent when duplicated torrent added
- Fix: Various issues with enabling/disabling Verbose in Logger context menu
- Fix: Stopped/paused torrents no longer hold up auto shutdown
- Fix: Make Create Torrent more responsive to Cancel
- Fix: Log the correct internal port in UPnP port mapping log message
- Fix: Eliminate temporary on screen client version corruption
- Fix: Various minor issues with HTTP client implementation (error handling, parsing)
- Fix: Incoming HTTP connections could sometimes go dead (event dispatch problem)
- Fix: Some internal size calculations weren't 64-bit clean
- Fix: RSS error logging
- Fix: The general tab should now scroll down to and show the full comment field
- Fix: Fix many flicker issues throughout the application
- Fix: Correct WinSock version detection - it should fail now if it detects the wrong version
- Fix: Custom speedlists now show instead of the default in the main listview context menu
- Fix: Correct acquisition of special operating system paths (such as the windows directory) on Windows 95 family
- Fix: Fix shortcut creation for Windows 95 family
- Fix: Fix diskspace information on Windows 95 family
- Fix: Confirmation dialog for resume file saving now actually tries to save the resume file on retry
- Fix: Create torrent dialog now closes all the way when the close button is pressed during torrent creation
- Fix: Cleared progress bar in create torrent dialog when stopping
- Fix: Fix various tab order bugs in main window
- Fix: Shutdown on finish option will now shutdown the machine, even if it is locked
- Fix: Fix file association if uTorrent is installed after BitTorrent mainline client
- Fix: 307 redirection HTTP code is now handled, instead of an error (i.e.
- Fix: Logging is now done in Unicode, fixing some I18N issues
- Fix: Speed wizard no longer asks you to confirm twice when trying to close it from its close box
- Fix: Log listview no longer shows the horizontal scrollbar if it is past the last visible item but doesn't need to
- Fix: Pressing ESC on exit dialog will dismiss the dialog
- Fix: Fix z order of searchbox/toolbar on older windows
- Fix: Fix scrolling bug where scrollbar would not redraw sometimes
- Fix: Association check for limited users
- Fix: Enable users to have "maindoc.ico" in the settings folder for associated documents' icons for fixing them on older windows versions that don't automatically generate them.

Programmed in C++

Homepage: Forum for new releases -


- PECompact compressed (normal)
utorrent-1.7-beta-1355.upx.exe - UPX packed
utorrent-1.7-beta-1355.uncompressed.exe - unpacked

older Betas:

Download µTorrent 1.7 Beta Build 1170 - utorrent-1.7-beta-1111.exe - utorrent-1.7-beta-1170.uncompressed.exe


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