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Transmission 4.1.4

Open-source BitTorrent client

filecart Mac Updated Oct 24, 2026
Download 11.01 MB · Transmission-4.1.4.dmg
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About Transmission

Open-source BitTorrent client
Release info Update on Oct 23, 2026
Release notes Transmission 4.1.4

This is Transmission 4.1.4, a bugfix release. It fixes a security vulnerability in the macOS client and has other small bugfixes. Users are encouraged to upgrade to this version.

What's New in 4.1.4

All Platforms
• Fixed a Transmission 4.1.0 regression that could cause torrents with zero-byte files to be handled incorrectly, sometimes losing downloaded progress (#9165)
• Hardened the torrent-add RPC method against malformed requests. (#9158)
• Unified launch and delegation between the Qt and GTK clients: If either is already running and then you or a browser's mime-type handler tries to start the other to add a new torrent, that new torrent will get handed off to the pre-existing session. (#9032)
• Fixed a build failure that happened when building Transmission with -Wnull-dereference -Werror in gcc 12.15. (#9057)
• Fixed a rare bug could leave Transmission hung but running on shutdown. (#9058)
• Fixed a rare bug that could prevent downloading webseeds from finishing. (#9146)
• Fixed a bug where setting TR_CURL_PROXY_SSL_NO_VERIFY broke origin server SSL verification. (#9153)
• Fixed per-torrent session speed-limit overrides so they apply to both downloads and uploads. (#9154)

macOS Client
• Fixed a potential RCE vulnerability in the macOS client. It requires local write access to the user's preferences, so it is not remotely exploitable. (GHSA-v7mp-fpv3-jf5r)
• Minimum supported version increased to macOS 12 (#9166)
• Fixed a bug that prevented some magnet links from being added correctly. (#9062)
• Migrate Sparkle update signing from DSA to EdDSA. (#9065)

Qt Client
• On Windows builds, change to zlib 1.3.2 from 1.3.1 to pick up 7ASecurity audit fixes. (#9025)
• On Windows 10+ builds, change to Qt 6.10.3 from 6.10.1 to pick up Qt bugfixes. (#9030)
• On Windows 7 builds, change to Qt 5.15.19 from 5.15.17 to pick up Qt bugfixes. (#9030)
• Improved UI code to use less CPU. (#9161)

GTK Client
• The torrent list now re-sorts and re-applies its…
Listing dataHomebrew Cask

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