Download Transmission 4.0.0 beta 3

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The third beta release of Transmission version 4.0 has been released. This torrent client uses few resources, is cross-platform and open source, and has a simple and clear interface. The program was developed for use on macOS, but on the download page versions for Windows, Linux, FreeBSD and some NAS systems can also be found. In version 4.0.0, the program has been rewritten in C++, making it perform better and use fewer resources. The changelog for this release can be found below:

libtransmission (All Platforms)

  • Dropped obsolete CyaSSL and PolarSSL crypto backends (WolfSSL and MbedTLS are still supported). (#4495)
  • Updated extension protocol handshake to include yourip value as suggested by BEP 10. (#4504)
  • Fixed out-of-order teardown bug that could cause a crash on shutdown. (#4331, #4348, #4451)
  • Fixed 4.0.0-beta.1 bug that broke detection of a peer’s UDP port in a peer handshake. (#4334)
  • Fixed 4.0.0-beta.2 regression that broke port forwarding in some settings. (#4343)
  • Fixed 4.0.0-beta.2 bitfield crash. (#4346)
  • Fixed 4.0.0-beta.1 pattern matching in whitelist and host_whitelist. (#4353)
  • Fixed 4.0.0-beta.2 crash when pausing a torrent. (#4358)
  • Fixed 4.0.0-beta.2 IPv6 µTP socket binding regression. (#4469)
  • Followed BEP 7 suggestion to remove &ipv4= and &ipv6= query parameters from tracker announcements. (#4502)
  • Followed BEP 7 suggestion to make the tracker announce &key= query parameter unique per-torrent. (#4508)
  • Updated the bookkeeping to ensure both TCP and uTP connections honor the connection limit. (#4534)
  • Made small performance improvements in libtransmission. (#4393, #4401, #4404, #4412, #4424, #4425, #4431, #4519)
  • Improved test coverage in the code that checks for reserved IP address use. (#4462)

macOS Client

  • Sorting by size now only uses the sizes of files that are wanted. (#4365)
  • Fixed memory leak in the blocklist downloader. (#4309)
  • Fixed UI issues in the main window when using Groups. (#4333)
  • Improved layout of macOS UI elements. (#4366, #4367, #4460)
  • Fixed the background style of torrents selected in the main window. (#4458)
  • Updated code that had been using deprecated API. (#4308, #4441)
  • Removed unused or unnecessary code. (#4374, #4440)
  • Fixed 4.0.0-beta.1 regression that showed an incorrect icon or name in the drag overlay. (#4428)
  • Fixed the file display of torrents that consist of just a single file in a single folder. (#4454)


  • Fixed progress bars positioning on Mac. (#4489)
  • Added Qt dependencies for Windows build instructions and minor fixes. (#4363)
  • Updated Qt CMakeLists.txt to include support for building svg. (#4437)

GTK Client

  • Fixed 4.0.0-beta.1 regression leading to potential crash on startup upon watch directory setup. (#4355)
  • Fixed 4.0.0-beta.1 regression that prevented closing the “update blocklist” dialog. (#4391, #4392)
  • Fixed a bug that hid the “Enable µTP for peer communication” checkbox. (#4349)
  • Removed unused or unnecessary code. (#4416)

transmission remote

  • Fixed 4.0.0-beta.1 bug that showed the wrong ETA for some torrents. (#4506)

transmission show

  • Fixed 4.0.0-beta.2 regression that caused transmission-show –scrape to not exit cleanly. (#4447)

Everything else

  • Added Windows build manual. (#4291)
  • Removed Visual C++ redistributable libraries installation from the MSI package. (#4339)
  • Removed obsolete ‘lightweight’ build option. (#4509)

Version number 4.0.0 beta 3
Release status Beta
Operating systems Windows 7, Linux, BSD, macOS, Windows 8, Windows 10, Windows 11
Website Transmission
License type GPL
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