Transmission 4.1.0

This is Transmission 4.1.0. We've been working on this release for over a year now, and we're excited to finally get it over the finish line!

What's New in 4.1.0

Highlights

• Improved µTP download performance. (#6508)
• Added support for IPv6 and dual-stack UDP trackers. (#6687)
• Support trackers that only support the old BEP-7 with &ipv4= and &ipv6=. (#7481)
• New JSON-RPC 2.0-compliant RPC API. (#7269)
• Added optional sequential downloading. (#4795)
• Use native icons for menus and toolbars: SF Symbols on macOS, Segoe Fluent on Windows 11, Segoe MDL2 on Windows 10, and XDG standard icon names everywhere else. (#7819, Qt Client)
• Fixed 4.0.6 bug where Transmission might spam HTTP tracker announces. (#7086)

All Platforms

• Improved libtransmission code to use less CPU. (#4876, #5645, #5715, #5734, #5740, #5792, #6103, #6111, #6325, #6549, , , , , )

macOS Client

• Added "Show Toolbar" toggle. (#4419)
• Better dark mode support. (#6101, #6959)
• Feat: support redirects to magnet. (#6012)
• Render file tree in QuickLook plugin for .torrent files. (#6091)
• Added an option to set Transmission as the default app for torrent files. (#6099)
• Support pasting multiple magnets on the same line. (#6465)
• Support multiple URL objects from pasteboard. (#6467)
• Feat: clear the badge when quitting app. ()

Qt Client

• Use native icons for menus and toolbars: SF Symbols on macOS, Segoe Fluent on Windows 11, Segoe MDL2 on Windows 10, and XDG standard icon names everywhere else. (#7819, Qt Client)
• Added ETA to compact view. (#3926)
• Added the web client's Labels feature. (#6428)
• Added the ability to use a custom URL path when connecting to remote Transmission servers. (#7561)
• Added color-coding to progressbars to differentiate torrent states. (#7756)
• Fixed torrent name rendering when showing magnet links in compact view. (#5491)
• Fixed bug that broke the "Move torrent file to trash" setting. (#5505)
• Fixed poor resolution of the app icon. (#5570)

GTK Client

• Use native file chooser dialogs (GTK client). (#6545)
• Improved GTK client's accessibility. (#7119)
• Adjust slider limits in GTK. (#7251)
• Fixed file list text size adjustment based on global settings. (#7096)
• Fixed missing 'Remove torrent' tooltip. (#5777)
• Fixed crash when opening torrent file from "Recently used" section in GTK 4. (#6131)
• Fixed 4.0.0 regression causing GTK client to hang in some cases. (#7097)
• Setting default behaviour for GTK dialogs to add torrent from url and add tracker. (#7102)

Web Client

• Added support for adding torrents by drag-and-drop. (#5082)
• Added high contrast theme. (#5470)
• Replaced background colors with system color keywords to enable using browser's colors. CSS style adjustments esp. for label and buttons. (#5897)
• Added percent digits into the progress bar. (#5937)
• Improved WebUI responsiveness and made quality of life improvements. (#5947)
• Feat: Only show .torrent files in the web UI. (#6320)
• Added separate port checks for IPv4 and IPv6. (#6607)
• Added new options for web client to filter torrents by their privacy or error status. (#6977)

Daemon

• Added optional sequential downloading. (#7048)
• Added start_paused to settings and daemon. (#6728)
• More accurate timestamps for daemon logs. (#7009)
• Fixed minor memory leak. (#5695)
• Avoid unnecessary heap memory allocations. (#5724)
• Added documentation key to systemd service file. (#6781)
• Use Type=notify-reload in the systemd service file. (#7570)
• Included daemon-specific options in the generated settings.json. (#6499)

transmission-remote

• Added support to download sequentially from a specific piece. This can enable apps to seek within media files for streaming use cases. (#6454, #7808, #7809)
• Implemented idle seeding limits. (#2947)
• transmission-remote --blocklist-update now prints blocklist size after update. (#8021)
• Fixed display bug that failed to show some torrent labels. (#5572)
• Fixed crash in printTorrentList. (#6819)
• Improved error logging. (#7034)
• Added 'months' and 'years' to ETA display for extremely slow torrents. ()

Everything Else

• Improved libtransmission code to use less CPU. (#5651)
• Improved support for building with the NDK on Android. (#6024)
• Ran all PNG files through lossless compressors to make them smaller. (#5586)
• Fixed RPC spec that confused torrent-get.wanted with torrent-get.fileStats.wanted. (#6677)
• Updated documentation. (#5565, #5578, #5688, #5702, #5790, , , , , , , , , , , , , , , , , , , , , )

New Since 4.1.0-beta.5

• Fixed a bug where the UDP sockets are not rebound after changing the bind addresses. (#8106)
• Fixed potential use-after-free bug when parsing torrent files on macOS. (#8146)
• Fixed 4.1.0-beta.1 potential crash when shutting down. (#8161)
• Fixed 4.1.0-beta.1 bug where torrents are incorrectly paused when moving files to a different filesystem from the original directory. (#8175)
• Fixed macOS Hide Status Bar/Filter Bar never changing to "Show". (#8170)
• Fixed 4.1.0-beta.5 regression in Qt client when connecting to remote Transmission servers. (#8105)
• Fixed 4.1.0-beta.5 typo in User-Agent headers. (#8136)
• Fixed 4.1.0-beta.1 crash when passing an invalid value for numeric command-line args. (, , )

Thank You!

Last but certainly not least, a big Thank You to these people who contributed to this release:

• @ckerr (Charles Kerr) - Too many to list

• @tearfur (Yat Ho) - Too many to list

• @Coeur (Cœur): #3823, #4169, #4178, #4419, #4452, #4850, #4876, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,