2010-01-25: Version 2.0 (build 17920)

• 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.

2010-01-21: Version 2.0 RC4 (build 17875)

• Change: Speedguide does not prompt for user selection if geolocated server list fetch successful
• 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
• Change: added second upload and download graphs that include the estimated TCP/IP overhead
• Fix: GUI issue where some strings would be truncated for some translations
• Fix: Flags in peers tab
• Fix: Broken toolbar images if Windows theme is changed

2010-01-12: Version 2.0 RC3 (build 17774)

• Fix: Compelete pending Disk operations before automatically shutting down
• Fix: Don't exceed the upload limit with overhead when calc_overhead is on
• Fix: Point uT at correct help url.
• Change: Improve downloading/uploading performance with mixed-mode TCP and uTP
• Change: Improve torrent gray out by also graying out progress bar when stopped by scheduler
• Change: Disable net.calc_overhead by default
• Fix: Don't gray out force started torrents when scheduler has stopped other torrents
• Fix: Compatibility with old skins
• Change: Use different icon for disabled RSS feed
• Fix: Sharpen icon edges

2009-12-21: Version 2.0 RC2 (build 17668)

• 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 2.0 RC1 (build 17624)

• Change: New default artwork
• Fix: webui would allow any name for guest account when enabled.
• Fix: download/uploader limiter issues in build 17539

2009-12-09: Version 2.0 Beta (build 17539)

• Change: Added auto restart feature for use in minimized mode.
• Change: on Windows 7 default to not minimize to tray
• Change: silently add multiple torrents when more than 5 torrents are added using drag'n'drop
• Change: tell user about buggy 3rd party software that might degrade uTorrent performance
• Fix: Transfer Cap tab in preferences would display incorrect Uploaded / Downloaded

2009-11-25: Version 2.0 Beta (build 17427)

• 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

2009-11-18: Version 2.0 Beta (build 17341)

• Fix: various GUI crash bugs
• Fix: accept magnet links through add-url webUI

2009-11-12: Version 2.0 Beta (build 17273)

• Fix: More strict https connection state management for halfopen accounting.
• Fix: Problem during install toolbar offer
• Change: relaxed the requirements on bencoded integers to parse some broken torrents

2009-11-06: Version 2.0 Beta (build 17188)

• 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

2009-11-03: Version 2.0 Beta (build 17127)

• 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

2009-10-12: Version 2.0 Beta (build 16850)

• Change: Revert change where asserts are active in release builds

2009-10-10: Version 2.0 Beta (build 16835)

• Fix: various polishing on the setup guide
• Fix: potential crash related to TLS not being initialized
• 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

2009-09-25: Version 2.0 Beta (build 16666)

• Fix: Port settings saved in Setup guide
• Change: updated helpfile code to be forward compatible with changes
• Fix: fixed torrent creation bug
• Fix: fixed crash introduced in last build
• Fix: fixed rare crash when parsing messages

2009-09-24: Version 2.0 Beta (build 16625)

• Change: UI improvements in setup guide
• Fix: more setup guide crash fixes
• Fix: fixed rare holepunch crash
• Change: collect stats on holepunch performance

2009-09-17: Version 2.0 Beta (build 16546)

• Fix: fixed crashes in setup guide
• Fix: graying out custom toolbars with transparency
• Change: Disable Ask for unsupported 64-bit Windows

2009-09-14: Version 2.0 Beta (build 16515)

• Fix: fixed crash in setup guide
• 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

2009-09-09: Version 2.0 Beta (build 16407)

• Fix: fixed handling of invalid udp tracker responses

2009-09-04: Version 2.0 Beta (build 16394)

• Fix: bugs where have messages would not be remebered for magnet link downloads
• Fix: Buffer overrun vulnerability
• Change: Conservative network locking in installer
• Fix: rare crash in low level network read and write
• Fix: fixed crash in udp tracker connection with unresponsive DNS
• Fix: improved out-of-memory error handling in disk thread
• Fix: Installer crash after download
• Feature: Stop setup guide tests without exiting dialog
• Fix: Crash when peers disconnect from a magnet-link torrent right as we received the metadata
• Fix: Fixes bug where magnet links wouldn't work if PEX was disabled
• Feature: added ability to re-run setup tests
• Fix: Fix crash when using magnet links and a peer is failing at a particular point
• Fix: Fixed negative allocation in RequestChunks() for web seeds
• Change: Updated bandwidth presets in Setup guide
• Fix: Fix startup race condition between network and disk I/O thread
• Change: Optimization added to speed up torrent creation

2009-08-20: Version 2.0 Beta (build 16222)

• Feature: Added versioned help files.
• Fix: Setup guide fixes
• Fix: installer with UAC
• Fix: Allow UDP trackers in the first tier when creating torrents
• Fix: UDP Tracker retries three times instead of two
• Fix: potential crash in installer
• Fix: Crashes when removing labels
• Fix: selection of labels over 256 characters in length
• Fix: multiple HTTP download crashes
• Fix: http seed fix for multifile torrents
• Fix: uTP connections that are upload rate limited will not have their max window size grow indefinitely
• Fix: Vista and Windows 7 FW rules are created for all profiles

2009-08-10: Version 2.0 Beta (build 16126)

• Fix: tracker requests are not invalid anymore

2009-08-04: Version 2.0 Beta (build 16081)

• Change: disable toolbar offers for Wine installs
• Feature: New Setup guide & Speedtest.
• Change: uninstaller is added to all user profiles
• Fix: crash when assigning new label to torrents from RSS
• Change: Incomplete downloads sort after completed downloads if sorting by "Completed On"
• Feature: Add Moldova to peer flags
• Change: Added upnp host cache to speed up upnp nat resolution on misbehaving routers
• Fix: maintain category list selection on update for some edge cases
• Change: if selected, install start menu and desktop shortcuts to all users instead of only current user
• Feature: Grayscale disabled toolbar buttons
• Fix: fixed uTP selective ack bug (would cause connections to stall and time out)
• Fix: fixed uTP fast re-send bug (would sometimes re-send packets that shouldn't be re-sent)
• Change: prompt to take associations in installer only if any others exist
• Fix: buffer overrun vulnerability in create torrent dialog
• Fix: uTP recovers faster after timeout
• Feature: uTP supports window sizes smaller than the packet size
• Change: reduced uTP overhead slightly by ramping up packet sizes at lower rates
• Feature: enable and disable toolbar buttons according to selected torrents
• Change: UAC must be completed to install in Vista or higher
• Fix: memory leaks in main window, protocol associations, settings dialog, general tab
• Change: Tweaks to Ask toolbar offer
• Feature: UDP tracker support
• Fix: only change run on startup if installer is shown
• Change: added support for 3:rd party applications to more easily be configured to access the uTorrent web UI, i.e. to pair the applications
• Fix: make "alternate upload rate when seeding" apply when the seeding is set by the scheduler
• Fix: align "Web Seeds" in torrent creation dialog
• Fix: translated strings in uninstaller
• Fix: http seeds would not reconnect after stopping and starting torrent
• Fix: http seed for multifile torrents
• Fix: regression in 15562 that caused frequent crashes
• Feature: New installer with EULA, file association
• Fix: uTP issue on low-latency high-throughput networks
• Fix: copying long filenames to clipboard no longer results in garbage or crash
• Fix: fixed web seed support for multi-file torrents
• Change: torrent whose "Force Recheck" is greyed out will not recheck when asked through multi-torrent selections
• Fix: when adding torrents through URLs via commandline, we would always open the add torrent dialog
• Fix: handle multi file torrents with web seed urls that incorrectly don't end with a slash
• Fix: make sure web seed urls end with a slash for multifile torrents
• Fix: setup Vista firewall
• Fix: remove settings on Vista during un-installation
• Feature: New "Transfer Cap" pane in Preferences
• Feature: uTP can be enabled or disabled using "Enable bandwidth management" checkbox in Preferences
• Fix: Check at startup for incompatible versions of NVIDIA nForce firewall