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µTorrent 3.0 "Falcon" (32-bit) alpha 25207


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µTorrent 3.0 includes streaming of music and videos, as well as µTorrent Web, a new encrypted WebUI that requires no configuration! Check it out: https://web.utorrent.com/

As before, this is not feature complete, but many exciting new features have been added to this version: a new, encrypted webUI that doesn't require port forwarding called µTorrent Web; many improvements to the standard WebUI backend; streaming; and a new, optional (non-default) simplified UI.

Download here (32-bit): http://download.utorrent.com/beta/utorrent-3.0-latest.exe

Looking for the 64-bit release?

Release Notes:

  • µTorrent Web for zero-conf, secure remote access
  • Streaming
  • Webseeding fixes
  • Portable mode (when run in standalone mode off a removable drive)
  • Minified view
  • Torrent Ratings (called Pulse)


-- 2011-04-14: Version 3.0 (build 25207)

- Fix: Clicking from Getting Started to Find Content after watching a video now works

-- 2011-04-13: Version 3.0 (build 25199)

- Fix: Allow user to chow/hide "Has Header" column in files tab.

- Fix: bugs in web remote cache and pairing apps

- Change: Refactor visibility code. Make utorrent and bittorrent visible

when launched, but mirror last state at startup.

-- 2011-04-12: Version 3.0 (build 25193)

- Fix: bugs in web remote cache and pairing apps

- Fix: bugs in streaming

- Fix: play button wasn't translatable

- Change: start torrent automatically when pressing prepare to stream

-- 2011-04-08: Version 3.0 (build 25184)

- Fix: share URL for send torrent was wrong

- Feature: new Find Content app (replaces the old app studio)

- Change: improve performance of switching between apps

- Change: new playback icons on toolbar

-- 2011-04-05: Version 3.0 (build 25171)

- Change: Don't take several minutes to timeout installing apps

-- 2011-04-04: Version 3.0 (build 25167)

- Fix: don't show error messages caused by automatically downloaded torrents from RSS feeds

- Fix: language file download would fail when run from non-writable media

-- 2011-03-31: Version 3.0 (build 25161)

- crash fixes

-- 2011-03-29: Version 3.0 (build 25150)

- Feature: Get Started page

- Change: show text and link to find content when there's no torrents

- Change: swapped order of the # and Name column in the torrent list view

- Change: polished the alignment of buttons and icons in minified view

- Fix: made the minified view draw ellipsis when resized down to where the text doesn't fit

- Change: made the rating stars render more compact in the torrent list view

- Change: moved the preferences toolbar button to the far right

-- 2011-03-23: Version 3.0 (build 25137)

- Fix: fixed crash when main app was installed but corrupt

- Fix: fixed bug breaking part files > 2GB

-- 2011-03-21: Version 3.0 (build 25127)

- Fix: fixed a bug where we would fix up partfile once every second per seeding torrent

- Fix: fixing the udp tracker announce packet structure

- Change: bumped piece size limit when loading and creating torrents

- Feature: added error messages when failing to load torrent files

- Fix: fixed edge case in OpenContainingFolder

- Change: Add an option to change the download location without moving files

-- 2011-03-07: Version 3.0 (build 25043)

- Fix: fixed sidebar counter refresh when deleting torrents

- Change: shadow treatment to progress bars, made minified progress bar match detailed view

- Change: Show search bar in minified view

-- 2011-03-02: Version 3.0 (build 24979)

- Fix: fixed flickering in ratings tab

- Change: hide tracker tab, speed tab and pieces tab by default. Reorder tabs

- Fix: Move completed race with multi-file torrents

- Fix: Tinyurl redirection now works with multiline messages

- Fix: Privileged apps now receive updates from all torrents in all cases

- Fix: Apps now start downloading to the directory specified in settings

- Change: leave ETA column blank for torrents with no significant seeding goal

- Feature: added graphical health column to torrent list

- Fix: a GDI leak and random crashes on XP

- Change: remove horizontal scroll bar in sidebar

- Change: made more room for translated text in installer

- Fix: fixed some cases where the sidebar wouldn't be updated

-- 2011-02-25: Version 3.0 (build 24870)

- Change: exponential expiration of bans on web-seeds

- Fix: correct request expiration logic

- Change: try to recover from intermittent web-seed failures

- Fix: crash while downloading from a web-seed

-- 2011-02-23: Version 3.0 (build 24823)

- Change: enable incoming IPv6 on Windows 7 SP1 (SP1 fixes an IPv6-related hang bug introduced in Windows 7)

- Change: CPU usage optimization for the GUI thread

- Feature: make the content offer in the installer dynamic (no more re-builds for updating content offer)

-- 2011-02-15: Version 3.0 (build 24710)

- Change: show installer when ut is launched from a different drive than where it's installed to, to make portable mode installer more accessible

- Fix: diskio and dns crashes

- Fix: highlighting when click and dragging in the listview

-- 2011-02-14: Version 3.0 (build 24667)

- Fix: assert if settings file didn't exist

- Fix: don't parse media file headers before we have scanned the files for .!ut suffix

- Fix: create more space for strings in UI for translations

-- 2011-02-11: Version 3.0 (build 24655)

- Change: turn on isp.bep22 by default

- Change: use 11 asterixes instead of 6 for hashed passwords in settings dialog (in the hope to reduce confusion)

- Fix: systray icon not showing up when starting up minimized, and systray icon is not always on

- Fix: don't delete files when 'download to' and 'move to' directories are the same

- Change: Menu item "Add Torrent (no default save)" became "Add Torrent (choose save dir)"

-- 2011-02-09: Version 3.0 (build 24613)

- Fix: support vodo's RSS feeds

- Fix: minor crash

- Change: New installs now default to the minified view.

-- 2011-02-08: Version 3.0 (build 24590)

- Fix: In minified UI, use completed value in ## of ## display instead of downloaded value

- Change: Install app bundled with torrent file only when app button clicked for torrent

- Feature: added debug call to dump sockets in logger tab context menu

- Fix: uTP fast-resend bug

- Fix: Socket leak, leading to being unable to download

-- 2011-02-03: Version 3.0 (build 24520)

- Fix: minified view hand cursor re-enabled (on share or open hover)

- Fix: minified view share and open icons now have text again

- Fix: re-enable minified view alternating row color

- Fix: rating tab didn't erase properly on resize

- Fix: don't highlight column in minified listview

- Fix: ui artifacts when switching between minified and non-minified dl list

- Fix: list item label edit showed up briefly in minified mode on dbl click

- Feature: enable disk congestion logic when disk cache is turned off

- Fix: "RSS" status didn't show up on list item highlight

- Fix: Show/hide status icon in name column when user changes setting

- Change: improve logging for pex flood events and average over more messages

- Change: dropzone appearance

- Feature: dropzone highlights when file dragged into it

-- 2011-01-28: Version 3.0 (build 24408)

- Change: change semantics of seeding filter to include seeds that are not currently transferring

- Fix: socks5 proxy error handling would sometimes cause a freeze and infinite loop

- Change: text on streaming buttons, widen app source button

- Change: "Source" column to "App"

- Change: streaming button font

- Fix: remove column highlight flicker in minified list

- Fix: don't fall back on browser to download RSS torrents when proxy is used and non proxied connections are disabled

-- 2011-01-26: Version 3.0 (build 24369)

- Fix: episode numbers are no longer limited to 2 digits in torrent list

- Fix: hide tabs button was showing up on find content pane

- Fix: RSS item rendering in minified list view

- Fix: fixed bug where the torrent would be removed when downloading a missing file from webUI

- Fix: fix copy bug in list views (would sometimes fail to copy certain fields)

- Change: increase margin around tab icons

- Change: column order is now different

- Change: different columns are shown by default

- Change: new highlight color in list view

- Change: high status icons by default (showable with adv setting)

- Fix: show correct buttons on minified toolbar

- Change: don't update RSS feeds just by opening the edit window

- Change: Minify toolbar button now just minifies the download list

-- 2011-01-24: Version 3.0 (build 24305)

- Fix: fixed bug in disk congestion calculation

- Fix: fixed encoding bug in DHT announce messages (introduced with name extension)

-- 2011-01-21: Version 3.0 (build 24289)

- Fix: fix crash when sometimes rating torrents on delete

- Fix: crash when using portable mode

- Fix: Display installing progress bar when user clicks back to btapp install node

- Change: allow 2000 items in the RSS history (increased from 600)

- Change: use buttons for torrent actions in download list

-- 2011-01-19: Version 3.0 (build 24240)

- Fix: fixed gui.graph_overhead

- Change: limit cache size to 2000 MB (for 32 bit builds)

- Fix: attempt at fixing disappearing systray icon

- Fix: crash in Ratings tab related to adding a comment

- Change: Run apps in standard mode (not IE7 compatibility mode)

- Fix: Remove erroneous scam messagebox

- Fix: GUI hang when deleting torrent with many files

- Fix: Copy and paste in File list view fixed. (ctrl-A, ctrl-C, ctrl-V)

- Fix: miscellaneous crashes

- Fix: crash when showing the download bar

- Fix: crash while canceling btapp install

- Feature: support chunked http web seeding

-- 2011-01-11: Version 3.0 (build 24120)

- Fix: don't attempt to open a file if it doesn't exist (caused association dialog to appear)

- Fix: bandwidth allocation priorities displaying improperly

- Change: only apply the port > 1023 for outgoing connection restriction for peers only hear about through the DHT

- Fix: add torrent save directory history would not be saved correctly for magnet links

- Fix: Apps did not work under Win7 in portable mode

- Fix: fix some crashes related to threaded IE frame

- Fix: convert saved ratings to the 5 star rating. Fixes a crash

- Fix: fix bug in UDP socks5 support which would cause infinite loops

- Fix: Use system call to open containing folder instead of launching explorer.exe (when available)

-- 2011-01-03: Version 3.0 (build 24023)

- Fix: Don't connect to ports < 1024 when no-connect-to-services is enabled (which it is by default)

- Fix: don't ask user to rate torrent when deleting

- Fix: privacy checkbox in general settings would have multiline text

- Change: add port 80 and 443 to the default port block list

-- 2010-12-28: Version 3.0 (build 23983)

- Fix: crashbug in DHT (introduced by new rating feature)

- Fix: fixed WM_COPYDATA message, causing a running instance to display an error message when launchin a new instance

- Fix: transparent background for play, source app and AV icons in torrent list

-- 2010-12-20: Version 3.0 (build 23909)

- Fix: be less strict when banning peers for PEX flood

- Fix: possible crash during autoupdate

- Fix: fixed IP filter bug where overlapping ranges would not be handled properly

- Fix: optimized CPU usage in GUI

- Fix: Only ask user once if they want hidden files during torrent creation

- Fix: potential fix of disconnecting peers by "pex flood"

- Change: rating column UI

- Feature: Added more tags to RSS parser and fixed parsing bug.

- Change: Only report a torrent as red because of tracker error if we don't have any peers

- Feature: Enter Portable mode from within the uT installer

- Change: updated voting icons

- Change: add more spacing between download list items

- Feature: add rating UI to remove torrent dialog

- Feature: Add a uTP delay measurement graph

- Feature: Comments and voting UI

- Fix: make the torrent add dialog look better on low-dpi screens

- Feature: enable/disable detail tabs via a right click context menu

- Fix: Ctrl+C copy in files tab

- Fix: skinning bug for tabs.bmp

- Change: default screen size now 1024x600

- Feature: Use buffered IO on network drives.

- Fix: Find content item wasn't displaying properly on XP

- Fix: fixed uTP reply_micro initialization bug

-- 2010-11-17: Version 3.0 (build 23217)

- Fix: running under wine again

- Fix: don't auto-update apps when they are disabled

- Feature: listen on the IPv6 webui port if possible.

- Feature: restart application after reboot caused by windows update / install if OS supports.

- Fix: re-binding udp sockets after closing preferences caused slowdown on Win 7

- Feature: confirm exit if sharing a torrent and availability is < 2.0.

- Fix: fixed and tuned PMTU discovery for uTP

- Fix: search box flickers when it should be hidden

- Fix: fixed exploit with open containing folder

- Fix: on XP the sidebar thought it was wider than it was in certain cases

- Fix: toolbar took a second to update when switching from narrow to wide

- Fix: rss toolbar wouldn't be active after a feed was deleted

- Change: Use UTF-8 for App names

- Fix: autoupdating fails sometimes

- Fix: reduce the amount of bogus hang reports

- Change: always show persistent labels in sidebar

- Fix: in install of first app the apps node was not expanded (win7)

- Change: stop downloading icon now a stop sign

- Fix: reduce occurence of gui hangs when updating systray

- Change: Set download location now changes the torrent directory name on a multifile torrent.

- Fix: various misbehaviors when running on systems where the year > 2038

- Change: switch from find pane to download pane when a torrent is added

-- 2010-11-03: Version 3.0 (build 22941)

- Fix: autoupdating fails sometimes

- Fix: reduce the amount of bogus hang reports

-- 2010-11-02: Version 3.0 (build 22910)

- Change: stop downloading icon now a stop sign

- Fix: various crashes

- Fix: reduce occurence of gui hangs when updating systray

- Change: Set download location now changes the torrent directory name on a multifile torrent.

- Change: switch from find pane to download pane when a torrent is added

-- 2010-10-26: Version 3.0 (build 22787)

- Fix: context menu wouldn't show if there were persistent labels

- Change: btinstalls wait for selection of app before installation begins

-- 2010-10-25: Version 3.0 (build 22755)

- Fix: try to improve new upload choker

- Fix: broken node ID generation on DHT

- Fix: run command feature would not trigger on downloading->finished state change

- Fix: tell explorer to reload app icon on client update

- Change: center drop zone text

- Fix: general tab default background should be gray on XP and Win7 classic theme

- Feature: allow multiple labels per torrent.

- Fix: selecting files in torrent add window is really slow

- Change: more room for upload/download rates in status bar

- Fix: Re-enable save directory column.

- Fix: resize column cursor in download list would stay after un-minifying view

- Feature: add ability to browse for torrent event command to run

-- 2010-10-13: Version 3.0 (build 22557)

- Disabled save directory column to prevent crashes.

- Fix: infinity symbol would flash when seeding ratio achieved

-- 2010-10-12: Version 3.0 (build 22519)

- Fix: proper url encoding of web seed http requests

- Feature: add a previous state variable (%P) to RunCommand

- Fix: drop zone showing up when it should be hidden

- Fix: problems with https requests

- Fix: generate correct JSON for list-dirs action in web interface

- Change: left align status text if it doesn't fit in the column

- Change: new sidebar, toolbar, tabs, and main icons

- Fix: un-minifying to a maximized window placed the window offscreen

- Fix: remember maximized state across restarts

- Fix: remove gray background from BitTorrent install icon

- Fix: uTP EACK vulnerability

- Change: Top-level labels node count now includes the No Labels count

- Fix: Multi-selecting torrents in the download list and adding a label resulted in an incorrect sidebar count

- Fix: minified view appears partially after screen first time

- Feature: add save directory column to main listview

-- 2010-10-05: Version 3.0 (build 22329)

- Change: remove non-working upload slot settings

- Feature: make more colors skinnable

- Fix: toggle rss icon when feed re-enabled

- Fix: fix skinning of tab icons

- Fix: set download location now works properly with !ut extension

-- 2010-09-27: Version 3.0 (build 22186)

- Fix: relocating of single files

- Fix: handle forged timestamps and clock drift in uTP better

- Fix: crash introduced in previous release

--2010-09-24: Version 3.0 (build 22145)

- Change: make items in sidebar smaller

- Fix: various crashes

- Change: new toolbar and status icons

- Change: merge Status and Done columns and add advanced option to enable old behavior

- Fix: Performance improvements with uTorrent Web "get files"

- Fix: use internal torrent name instead of display name for webseeds

- Fix: torrent creation was failing for files larger than 2G

- Fix: web seeded torrents sometimes failed to complete

- Fix: web seeding of very large files was broken

- Feature: Enabled dialog when adding magnet URLs using Add URL.

- Change: small uTP CPU optimization

--2010-09-21: Version 3.0 (build 22091)

- Fix: 100% CPU issue when retrying http downloads

- Fix: transfer cap doesn't update unless uTorrent is running

--2010-09-16: Version 3.0 (build 22021)

- Change: Make find pane smaller if AV dialog is showing

- Fix: crash while streaming

--2010-09-15: Version 3.0 (build 22005)

- Fix: fix piece priority in the piece tab

- Feature: perform name resolution through SOCKS 5 proxy for UDP traffic.

- Fix: Prevent a race between DNS resolution and HTTP connect

- Fix: Fixed uTP ACK timer wrap bug

--2010-09-10: Version 3.0 (build 21887)

- Fix: icon rendering issue

- Fix: Fix problem where https was failing for some trackers and web servers

- Fix: remove toolbar creation flags which caused buttons to be off center

- Fix: don't clear completed-on when rechecking

- Fix: It's no longer possible to wake up the client when in boss-mode

- Fix: file !ut suffix on completed files when loading resume file

- Fix: crash when adding AV icon to imagelist

- Fix: some rendering issues caused by reskin

- Fix: uTorrent Web "Get files" crash

- Change: Re-ask user for additional permissions when app loads when not given enough permissions

-- 2010-09-01: Version 3.0 (build 21734)

- Fix: uTorrent Web "Get files" crash

-- 2010-09-01: Version 3.0 (build 21711)

- Change: reload image lists when a skin is applied

- Change: right-click on find item does nothing

- Fix: right click on already selected item does not change selection

- Fix: crash associated with downloading favicons

- Fix: survey was displaying incorrectly and at the wrong time

-- 2010-08-31: Version 3.0 (build 21663)

- Fix: Set Download Location... used to crash when changing the file name

of single file torrents.

- Feature: support skinning colors

- Fix: Apps not installable

-- 2010-08-30: Version 3.0 (build 21639)

- Feature: Add streaming section on the Speed graph

- Fix: streaming doesn't hang on certain pieces

- Feature: added option to show overhead in status bar

- Fix: drop zone wasn't redrawing properly on resize

- Fix: right click was deselecting multi-selected items in side bar

- Change: if a tree node with selected children is collapsed, select the node

- Fix: reduce flicker when switching from apps to find content

- Fix: tracker retry interval

- Fix: reduce flicker in AV dialog when updating or scanning

- Feature: Added prioritize files by sort order

- Feature: zipped skinnable elements in .btskin file.

- Fix: ignore hotkeys while boss-key hidden.

- Change: cache downloading of favicons in search dropdown

- Feature: show file dialog when loading magnet links

- Feature: password protected boss-key.

- Fix: send started and stopped events to all active trackers

- Fix: update rss feed counts when a feed is added or removed

- Fix: fixed DLL hijack exploit

-- 2010-08-24: Version 3.0 (build 21433)

- Change: reorder the labels menu

- Fix: torrents that have excluded files appear fully downloaded properly

- Fix: horizontally scrolling the sidebar causes render problems with find item

- Fix: drop zone would cover bottom of sidebar with a wide toolbar

- Feature: advanced option to run commands when any torrent completes download or changes state

- Change: remove screenshot from find pane. Change find pane text.

- Feature: option in Bandwidth Settings to stop transfers when user interacts with windows.

-- 2010-08-18: Version 3.0 (build 21340)

- Fix: update app sidebar counts correctly when apps are installed

- Feature: end to end path MTU calculation based on ICMP messages and missing packets

- Change: use friendly name for rss items in sidebar

- Fix: Fix uTorrent Web "Get File" feature

- Feature expose more granular file priority levels

- Feature: take bandwidth used by RSS and tracker into account for rate limiting

- Change: add bold text for Ask toolbar offer

- Fix: remove toolbar button was not enabled when certain torrents were selected

- Fix: set bt.transp_disposition to use new uTP header

- Feature: Added privacy options to BitTorrent settings

- Fix: btapp html updates properly when updated

--2010-08-13: Version 3.0 (build 21169)

- Fix: made apps sidebar string translatable

- Fix: Fixed size of static text in transfer cap setting pane to be translatable

- Fix: Make 'Set Download Location...' actually move the torrented data

- Fix: fixed RSS feed selection filtering

- Fix: sidebar can sometimes disappear when showing-hiding find pane or apps

- Feature: Added ability to bundle btapps with utorrent.exe with bundle.py

- Feature: support feed:// links for RSS feeds

- Feature: uTP / UDP traffic over SOCKS5 proxy server.

- Change: select torrents pane if find pane is select and sidebar is hidden

- Change: select torrents if on startup apps or find is chosen and sidebar is hidden

- Change: updated status icons

- Fix: reduce sidebar flicker when adding or removing torrents

- Change: remove the "always show add dialog" and merge its functionality with the "show add dialog"

- Change: cache the bitmap used by some utorrent panes for double buffering

- Change: remove the overhead display from the status bar

- Fix: arrow-key navigation of multi-file torrent filelist.

- Fix: garbage hint text when hovering in sidebar

- Feature: added option to have the progress bar color match the status icon

- Fix: select download pane if find pane or apps were selected and the preference for them is disabled

- Feature: support multi-announce in LSD packets

- Fix: sidebar counts would not update in all cases

- Change: move partner app uninstall to the install thread

- Fix: reduce sidebar flickering during rss updates and torrent additions

- Change: add support for label counts

- Fix: find pane is only default for fresh installs, not for upgrades

- Change: Promoted show-apps, show-find-pane, narrow-toolbar, category-spaces settings to options menu

- Change: labels now sort when added

- Fix: separators could be selected on rclick, causing problems

- Fix: Fixed peer exchange exploit

- Fix: remembering last side bar selection across application restarts. if the selection is a dynamic node, select the parent.

- Change: remember which side bar items are expanded across application restarts

- Change: Advanced option to disable display of Antivirus icon

- Fix: Install node gets left behind when installing Virus Guard

- Fix: Shift-selecting user-defined labels would sometimes choose the wrong items

--2010-08-04: Version 3.0 (build 20905)

- Fix: SDK and mac detection of torrent storage on an unmounted volume

- Change: Multiselect is now the union of all selected items. this fixes label selection

- Fix: Status icon in lower right corner no longer cut off.

- Change: Download screenshot on find conent dynamically

- Fix: not all favicons were downloading for default search providers

- Fix: Crashes in IEFrame

- Fix: Crashes after app install

- Fix: Changes to/between app download/install nodes

- Change: Hide the find pane on win2k (it's not supported)

- Fix: take our survey no longer hides the toolbar

- Fix: Find Content Pane is the default on first install

- Fix: Find Content no longer will show if the category tree is hidden

- Fix: Safari 5 compatibility for WebUI and uTorrent Web

- Change: Gracefuly degrade if app icon is missing: allow app to load

- Fix: WebUI security improvements

--2010-07-30: Version 3.0 (build 20814)

- Fix: Selected / sorting column no longer reverts to default.

- Feature: Make utorrent deal properly with unmounted volumes on startup.

--2010-07-29: Version 3.0 (build 20777)

- Fix: Crash when running BitDefender or adding torrents via btapp

-- 2010-07-28: Version 3.0 (build 20759)

- Fix: Crash during btapp installs - double permission requests

- Fix: Crash during btapp install

- Fix: Crash in AddImage

- Change: add mousewheel scrolling

-- 2010-07-22: Version 3.0 (build 20680)

- Fix: Crash during btapp install.

- Fix: Crash when privileged btapp is loaded and torrent status changed.

- Fix: Crash in speed guide when exiting dialog early.

- Feature: "Security Question" can be used to migrate uTorrent Web username between computers

- Change: disable IPv6 on Win7 by default. Could be turned on using net.disable_ipv6 property.

- Change: Add Find Content Pane

- Change: sidebar separators and layout

- Change: context sensitive toolbars

- Change: new flat, green artwork

- Fix: save selected item in sidebar

- Change: added more default search engines

- Fix: fixed string truncation of &ip= parameter to trackers when on IPv6

- Change: add openbittorrent and publicbt as default trackers when creating torrents

- Fix: fixed progress bar when downloading over HTTP directly to a file

- Fix: crash in network thread

-- 2010-07-13: Version 3.0 (build 20533)

- Fix: Show correct app state if apps hidden then displayed in prefs.

- Change: clear dont fragment bit for UDP traffic

- Change: lower the estimated path MTU 1393 bytes

-- 2010-07-09: Version 3.0 (build 20507)

- Fix: apps pane not showing in the sidebar if no apps installed

-- 2010-07-09: Version 3.0 (build 20504)

- Fix: attempt another crash fix in the new choker

- Fix: set dont fragment bit for UDP traffic

-- 2010-07-06: Version 3.0 (build 20402)

- Fix: super verbose logging was always enabled

- Fix: fixed uTP crash in rate limiter

-- 2010-07-02: Version 3.0 (build 20385)

- Fix: fixed common crash in new choker

- Change: raise half-open connection limit on post XP systems back to 100

-- 2010-07-01: Version 3.0 (build 20355)

- Change: lowered half-open connection limit on post XP systems to 25

- Fix: connect overhead graph was broken

- Change: lowered default connect speed from 10 to 7

- Change: increase timeouts and have fewer re-sends when connecting to uTP peers. This reduces some overhead

- Change: only rate limit local uTP sockets if both uTP sockets are limited and 'limit local peers' is set

- Fix: added support for utf8 in btapp files. Javascript files can now contain Japanese and it will be correctly displayed

- Fix: graph TCP rates when uTP is not rate limited, even when tcp_rate_control is off

- Fix: fixed bug where "apply rate limit to uTP" would get unchecked by itself

-- 2010-06-24: Version 3.0 (build 20228)

- Fix: fixed uTP crash on sockets being closed with uninitialized read buffers

- Fix: default download directory fix for multifile torrents

- Change: rate limit uTP by default

- Fix: Fixed fast-resend bug in selective ack handling in uTP. This could cause too aggressive resends on packet loss

- Change: fix crash when formatting a string with NULL

- Change: make uTP slightly less aggressive on loss

- Change: Mention uTP in settings and reorganize new bandwidth checkbox since they apply to both up and down limits

- Change: Render TCP rates in speed graph when uTP is not throttled

- Change: Moved net.calc_overhead to the Bandwidth settings pane

- Fix: RSS items show a different icon if disabled

- Change: Turn on uTP throttling when scheduler is in "limited" mode

- Fix: Fixed a delayed ack issue in uTP (lowers overhead)

- Fix: RSS items would show when torrent list was empty

- Fix: made magnet links in RSS feeds work

- Change: made uTP packet size increase based on low delay measurements

- Fix: made uTP packet size depend on total send rate, not just uTP send rate

- Change: new advanced settings net.disable_ipv6 that defaults to True on 64bit Windows

- Change: Don't show add torrent dialog by default.

- Feature: Add checkbox to disable UDP trackers

-- 2010-06-14: Version 2.1 (build 20082)

- Change: "falcon.utorrent.com" to "web.utorrent.com"

-- 2010-05-19: Version 2.1 (build 19702)

- Change: "Remote Access" preference pane renamed to "Web"

- Feature: Major improvements to Falcon encryption

-- 2010-05-13: Version 2.1 (build 19623)

- Fix: occasional connection crash

- Fix: 100% CPU with streaming header parsing on bad MKV files

- Fix: the header parsing occasionally returns success on improperly parsed files

-- 2010-05-06: Version 2.1 (build 19424)

- Change: Sharper help graphic

- Fix: minor uTP fix where it would be too aggressive on LANs

- Change: streamline installer for bundled executables

- Feature: new share torrent dialog

-- 2010-04-27: Version 2.1 (build 19280)

- Change: bypass Windows system cache while reading to avoid excessive memory uage

- Fix: invalid header response on WebUI when an expired token or invalid request was sent

- Change: flush files periodically to prevent write cache build-ups

- Change: right align interface toggle buttons

- Change: prioritize downloading torrents even more than seeds when making new connections

-- 2010-04-22: Version 2.1 (build 19225)

- Change: flush files periodically to prevent write cache build-ups

- Change: right align interface toggle buttons

- Change: prioritize downloading torrents even more than seeds when making new connections

-- 2010-04-08: Version 2.1 (build 18959)

- Fix: IP resolving crash on peers tab

- Change: drop uTP compatibility with uT <=1.8.1

-- 2010-04-07: Version 2.1 (build 18936)

- Change: improved loading column settings from older version settings files

- Change: change default uTP packet size to 600 bytes

-- 2010-04-02: Version 2.1 (build 18888)

- Fix: handle column widths better on upgrade from older versions

- Fix: crash on startup if you had a lot of streamable files in your torrents

-- 2010-03-29: Version 2.1 (build 18825)

- Fix: streaming crash

- Fix: startup crash

- Fix: crash with webseeds

- Fix: RSS in the web API

-- 2010-03-24: Version 2.1 (build 18750)

- Change: If your client is too old to connect to Falcon, you are given the option to autoupdate

- Fix: eliminate duplicate connections to the same peer ID over different IPs

- Change: default double click action is "Open Folder" for seeding torrents

- Fix: column size being 0, and invisible

-- 2010-03-19: Version 2.1 (build 18683)

- Feature: complete_ago extension handshake

- Feature: account for clock skew in delay measurements of uTP

- Fix: fixed uTP packet size bug on local networks

- Fix: fixed uTP fast-resend counter wrapping bug

- Fix: fixed uTP advertised window size bug

-- 2010-03-11: Version 2.1 (build 18581)

- Change: Open files in exclusive mode when writing (don't let anyone else write to them)

- Fix: streaming bugs

- Change: only close files that haven't been used for a while periodically (closing all files could interact badly with indexers)

- Fix: dismissing pairing dialog is now interpreted as no. "no" is also the default button

- Fix: Fixed bug where Bandwidth Management checkbox sometimes didn't work

-- 2010-03-08: Version 2.1 (build 18518)

- Fix: crashes introduced in 18429

- Change: Set Download Location no longer require manual stopping and restarting of torrents

- Change: Minimized command line option starts minimized in taskbar for Windows 7

- Change: Minified interface layout tweaks

- Change: Send streaming progress to web UI with getfiles and list requests

- Fix: fixed issue where the web UI would respond on the peer port when an alternate port was set

- Fix: respond with reasonable mime types for /proxy requests

- Change: disable transparent graph legend by default

-- 2010-03-04: Version 2.1 (build 18429)

- Feature: support streaming wmv

- Fix: Fixed half-open limit on Windows 7

- Fix: Fixed bug where uTorrent could freeze on broken web UI requests

- Fix: Fixed bug in uTP header field layout

- Feature: added advanced option to turn off uTP variable packet size

- Feature: added advanced option to turn off discoverability (web integration)

- Fix: uTP base delay bug fix and update interval tweaking

- Fix: uTP timer stability fixes

- Change: Support hyperlinks in autoupdate dialog

- Change: Disable force streaming option until bitrate is known

- Feature: Enable tooltips in minified UI

- Change: Grey out toolbar icons dynamically in minified UI

- Feature: Added hooks for tagging items as seen in RSS feeds

- Fix: default player set to quicktime causes error

- Fix: calc_overhead bug

-- 2010-02-23: Version 2.1 (build 18304)

- Fix: Schedule map would show times that were "off" as grey in disabled view

- Fix: issue where we would incorrectly report being as seed when using magnet links

- Feature: Add option to render the legend as solid instead of transparent

- Fix: Make toolbar icons render nice on vista+

- Fix: GDI leak when toggling interfaces

- Feature: Add option to not report problems

- Change: Make uTP packet size depend on global uTP rate instead of the rate of each individual connection

- Fix: Store window dimensions for each interface mode

- Feature: Add Windows Media Player to streaming player list

- Feature: add detailed network overhead breakdown graph

- Fix: Race condition when toggling interface modes

- Fix: UDP tracker peer list parsing

- Change: increase allowed max packet size (fixes issue with torrents with more than 131000 pieces)

- Fix: BEP 22 would sometimes not kick in for new torrents

- Feature: make initial uTP packet size configurable

- Fix: simultaneous uTP and TCP connection race condition

- Fix: "Not downloading" disconnects when remote peer had previously been a seed

-- 2010-02-12: Version 2.1 (build 18148)

- Feature: display overhead at status bar

- Feature: stop downloading and seed already-downloaded data if out of disk space

- Change: Do not count local overhead if local peers are not limited

- Change: Count overhead for transfer caps

- Feature: added legend to graphs

- Feature: it's now possible to graph the tcp_rate_control rates

- Fix: potential buffer overrun with mismatched langpack

- Fix: torrents randomly starting on restart of client

- Change: Gray out deleting data from client with created and seeded torrents

- Fix: Close download bar with hotkey

- Change: Toggle minified interface stays centered on toggle button

- Fix: enable apply button if changing scheduler

- Fix: Reliability of SSL connections (including Falcon connections) improved

-- 2010-02-09: Version 2.1 (build 18069)

- Change: Icons in minified interface

- Fix: Don't allow streaming of checking torrents

- Change: Do not stop torrents when automatically shutdown

- Fix: DHT would store duplicate peers for torrents

- Change: add torrent dialog on windows now shows trackers

- Fix: Potential bug when accessing the root directory of a URL

- Fix: Upgraded certificates for Falcon servers

- Feature: Oneclick support for Falcon

- Fix: 'Cookie' setting in WebUI add-torrent-by-url works again

- Fix: Now possible to uninstall uTorrent without losing access to Falcon beta

- Fix: Falcon works in non-English locales

-- 2010-01-26: Version 2.1 (build 17935)

- Feature: Optional minified user interface

- Change: update TCP/IP overhead estimation

- Fix: handle wrapping in uTP timestamps

- Fix: Crash in setup dialog when dialog is exited before server list is downloaded.

- Change: Speedguide does not prompt for user selection if geolocated server list fetch successful

- Change: added second upload and download graphs that include the estimated TCP/IP overhead

- Change: Falcon registration now performed manually

- Change: Better error reporting on Falcon authentication failures

- Fix: Settings file security improved

- Fix: Folder icons for add torrent in Windows 7

- Fix: rate limiting problem when using calc_overhead and switching between unlimited and rate limited upload or download

- Fix: GUI issue where some strings would be truncated for some translations

- Feature: Add a check box in streaming page that allows users to use default player for preview

- Fix: Allow streaming even when DNA is disabled

- Fix: Compatibility with old skins

- Fix: Compelete pending Disk operations before automatically shutting down

- Fix: Don't exceed the upload limit with overhead when calc_overhead is on

- Change: Move down "force streaming" in context menu

- Change: silently add multiple torrents when more than 5 torrents are added

- Change: Improve torrent gray out by also graying out progress bar when stopped by scheduler

- Fix: Don't gray out force started torrents when scheduler has stopped other torrents

- Change: Use different icon for disabled RSS feed

- Fix: Sharpen icon edges

-- 2009-12-15: Version 2.1 (build 17687)

- Fix: streaming related bugs

- Fix: disconnect issue with seeds

- Fix: uTP over Teredo at high speeds, and MTU problems on some kinds of networks

- Fix: Add translations to new graph strings

-- 2009-12-15: Version 2.1 (build 17618)

- Change: New default artwork

- Fix: webui would allow any name for guest account when enabled.

-- 2009-11-09: Version 2.1 (build 17553)

- Change: Added auto restart feature for use in minimized mode.

- Change: on Windows 7 default to not minimize to tray

- Change: tell user about buggy 3rd party software that might degrade uTorrent performance

- Fix: Added critical section to prevent race conditions in alternate builds

- Fix: Transfer Cap tab in preferences would display incorrect Uploaded / Downloaded

- Fix: fixed rare crash when using magnet links

- Fix: fixed crash when super seeding a torrent without metadata

- Fix: fixed handling of a uTP edge-case

- Change: complete upload-only extension support

- Feature: Add streaming buttons at torrent view and files tab

- Fix: plugged some string memory leaks

- Fix: various GUI crash bugs

- Fix: catches crashes in bad DLLs

- Fix: accept magnet links through add-url webUI

- Fix: More strict https connection state management for halfopen accounting.

- Feature: A new tunable option in advanced setting for failover peer speed threshold

- Fix: Problem during install toolbar offer

- Change: relaxed the requirements on bencoded integers to parse some broken torrents

- Fix: svn revision in PeerID on PPC now takes endianness into account

- Fix: added socket state logging when draining read socket to prevent false asserts

- Change: fixed nationalization support so it no longer depends on Windows functions

- Change: added checks for heap corruption that caused crash in uTP

- Change: improved stability by making all executable pages not writable

- Fix: fixed stack overflow when copying peer list

- Fix: fixed allocation regression in connection to peers

-- 2009-11-05: Version 2.1 (build 17154)

- Change: enable multiple instances of the client to run on multi-user machines (e.g. fast user switching)

- Fix: fixed uTP crash in edge condition

- Fix: fixed crash when icmp.dll wouldn't contain the expected functions

- Fix: fixed crash when closing add torrent dialog while dragging a column

- Change: The Speed guide will now reject ports listed in bt.no_connect_to_services_list

- Change: add an upgrade message if a buggy version of nvLsp is detected

- Fix: don't take the total number of connections into account when connecting to trackers

- Change: increase default transfer cap to 250 GB/month

- Fix: Accounting of halfopen https connections would cause uT to stop making new connections

- Change: Made the DHT compatible with future extensions

- Fix: sometimes the &ip= parameter sent to trackers would be incorrect

- Fix: correctly order bencoded dict items in extension handshake message

- Fix: fixed holepunch error handling and support detection

- Fix: check invalid ports and IPs in the DNS resolver to avoid using them

- Fix: various polishing on the setup guide

- Fix: potential crash related to TLS not being initialized

- Change: Better handle torrents with files having case insensitive equivalent paths

- Feature: support trackers and web seeds in magnet links

- Change: Redirect WebUI requests from /gui to /gui/

- Change: Disable installer for Wine

- Change: Balance CDNs to download updates

- Fix: Fixes bug where magnet links wouldn't work if PEX was disabled

- Fix: potential crash in network code

- Fix: More crashes when using magnet links

- Fix: Port settings saved in Setup guide

- Change: Updated helpfile links to use redirects

- Feature: added RSS feeds and filters to WebUI

- Feature: Reconnect to falcon if it times out

- Fix: fixed crashes in setup guide

- Fix: greyout custom toolbar with transparency

- Feature: display the parsed information of streamable files in files tab

- Change: Disable Ask for unsupported 64-bit Windows

- Fix: fixed UDP-tracker crash when dns resolution would fail

- Change: Use user-supplied port in Setup Guide, save auto-portmap prefs.

- Change: Added European Servers in Setup Guide

- Change: New Icons in Setup Guide

- Fix: Improper mutex accounting in hang detector

- Fix: crash when creating torrents

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Me too, additional getting a lot of:

[2009-10-16 13:10:20] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:11:21] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:12:33] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:13:39] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:15:04] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:16:18] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:16:34] Reporting hang diagnostic information.

[2009-10-16 13:16:34] http://www.utorrent.com/report_problem.php?v=69222948&h=&w=A280105&p=hung&s=0&li=&wm=

[2009-10-16 13:16:34] Hang reported successfully:

[2009-10-16 13:16:34] http://www.utorrent.com/report_problem.php?v=69222948&h=&w=A280105&p=hung&s=0&li=&wm=

[2009-10-16 13:16:44] http://www.utorrent.com/report_problem.php?v=69222948&h=&w=A280105&p=unhung

[2009-10-16 13:16:44] Hang reported successfully:

[2009-10-16 13:16:44] http://www.utorrent.com/report_problem.php?v=69222948&h=&w=A280105&p=unhung

[2009-10-16 13:17:42] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:18:44] Error contacting WebUI proxy service: HTTP Fehler 401

[2009-10-16 13:19:47] Error contacting WebUI proxy service: HTTP Fehler 401

While webui enabled but not active

EDIT: Solution is that I ran the 2.1 build 16650 (falcon) before with falcon enabled. Starting 16932 (where falcon is "hidden") it tries to connect to the falcon server.

If you have thees messages too, run the 16650 and disable falcon before running 16932!

Thanks to Ultima!

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One thing I noticed is my settings seem to have been 'broken'.

[07:38:42] Error -1 occurred while attempting to get stream metainfo

Cause the way I have the torrents laid out just aren't right, as it seems to have reset to default and shows close to all information instead of the way I had it customized.



And it definitely overwrote my settings since reverting back to 2.0 Beta stays the same, opposed to going to how my settings were as to what was shown.

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@alex14san: The situation with 1.9 and 2.0 was made clear.

1.9->2.0, meaning that 1.9 had enough changes made to make it worthy of being '2.0'. So 2.0 replaced 1.9 and that is the current Beta.

And for 1.8, any changes are mainly to fix bugs only.

Not 100% sure if 2.0 will have any additional features added, given that now 2.1 Alpha is out.

Just happy nonetheless that they are making changes and having frequent updates.

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wow~ it is nice ~~


i have some question

Here's an alpha for µTorrent 2.1. This release has multiple fixes in it new to the 2.1 tree.

It is not feature complete.

Download here: http://download.utorrent.com/beta/utorr … 32.upx.exe

-- 2009-10-15: Version 2.1 Beta (build 16932)


Beta or Alpha?



When I start utorrent, the emergence of this log information

[2009-10-17 09:29:13] NOTE: Settings file found in directory of executable; using that.

[2009-10-17 09:29:13] 载入语言文件时出现错误。请查看程序目录中的 uTorrent.exe.log 文件。

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] Error -1 occurred while attempting to get stream metainfo

[2009-10-17 09:29:13] *** Starting Diagnostic thread ***

[2009-10-17 09:29:13] IPv6 is installed

[2009-10-17 09:29:13] Got Teredo Address: 2001:0:cf2e:3096:8000:7737:247f:cf6d

[2009-10-17 09:29:36] 正在连接 ...

[2009-10-17 09:29:38] 正在检查中间网络

[2009-10-17 09:29:50] 启动上传测试

[2009-10-17 09:29:59] 发送数据 错误: 您的主机中的软件放弃了一个已建立的连接。

[2009-10-17 09:29:59] 正在检查转发端口

[2009-10-17 09:30:04] 端口转发测试完成。

[2009-10-17 09:30:04] 检查自动端口映射配置 ...

[2009-10-17 09:30:08] Results: Port is not open (you are still able to download).

[2009-10-17 09:30:08] More info is in the <a href="http://www.utorrent.com/faq">FAQ</a> and at <a href="http://portforward.com/">portforward.com</a>

What's wrong?

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A couple of questions about 2.1:

1. Can someone elaborate on the DNA feature that, as I understand, was embedded in this release ?



- The exact functionality and interaction with uT

- the possible user-control over it (enabled/disable)

- the estimated overhead caused by it (CPU, bandwidth, RAM)

- any known security/privacy issues

2. At the time, some RSS enhancements - where planned to go into this release. What are those planned to be in 2.1 ?

here is the list that was sent to the devs at the time:


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uT 2.1 like 1.9 & 2.0 didnt respect upload limit...

limit set to 15kB/s and uT uploading 25-30kB/s ;p


I get many errors like this

[2009-10-17 11:22:39] Error -1 occurred while attempting to get stream metainfo


I get hangs when I first start uT 2.1

probably because uT 2.1 started check files integrity....

but next time when I force close uT and do manually force check integrity uT when I get it minimazed didnt response to maximize and use 50% CPU on E6650...

file source:



my settings about selected panel info was reseted ;p

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i get great speeds with this build, its amazing :)

the only thing i noticed is the reduced DHT count in the uT's status bar, on 1.8 i was getting 300+ while now it stays at 150+.

also two GUI bugs: when browsing torrents by labels and then clicking on the 'all' field on the left panel nothing changes. the second one is the blue wave icon above the 'all feeds' field cut in half by the separator line

will stick with this build for now


edit: the DHT is back to normal, and the 'label' - 'all' switching works, sorry

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