Fluxzy

Fluxzy SAS·Fluxzy.Fluxzy

MITM HTTP debugging proxy for intercepting and altering HTTP/1.1, H2, and WebSocket traffic

winget install --id Fluxzy.Fluxzy --exact --source winget

Latest 1.39.45.50076·July 25, 2026

Release Notes

Official .NET builds are signed and published at nuget.org. vv1.39.45 vv1.39.45

  • CLI binaries are available as assets or downloadable via this page.
  • Docker images are available at Docker Hub. CLI Installation npm (Windows, macOS, Linux): npm install -g @fluxzy/cli Or run directly without installing: npx @fluxzy/cli start --llo Windows (winget): winget install Fluxzy.Fluxzy macOS (Homebrew): brew tap haga-rak/fluxzy brew install fluxzy What's Changed Fixes
  • Fix h2 stream permit leaks and h1 pool idle teardown (#634) by @haga-rak in #714
  • Fix unbounded growth of the per-authority lock registry by @haga-rak in #718
  • Fix cross-host routing on keep-alive plain proxy connections by @haga-rak in #719
  • Fix upstream reads hanging forever when the response header never arrives by @haga-rak in #721
  • Render readable Unicode in formatted JSON response body by @haga-rak in #745
  • Fix unknown network error code on abrupt upstream close by @haga-rak in #747
  • Release expired pooled HTTP/1.1 connections on dequeue by @haga-rak in #748
  • Ignore ownerless sockets when resolving a process from a local port by @haga-rak in #752 New Features & Optimizations
  • Avoid activity creation when no listener is attached by @bbartels in #725
  • Optimize Http11HeaderBlockReader timestamp handling by @bbartels in #723
  • Improve HTTP/1.1 downstream response-copy throughput and reduce MetricsStream read overhead by @bbartels in #724
  • Optimize chunked write header formatting by @bbartels in #729
  • Optimize single non-window HTTP/2 writes by @bbartels in #730
  • Optimize chunked transfer size parsing by @bbartels in #728
  • Optimize rule header filters for live exchanges by @bbartels in #726
  • Tune HTTP/2 stream window update cadence by @bbartels in #731 Dependencies
  • Bump Nerdbank.GitVersioning from 3.9.50 to 3.10.85 by @dependabot[bot] in #712
  • Bump Spectre.Console from 0.55.2 to 0.57.0 by @dependabot[bot] in #713
  • Bump System.IO.Pipelines from 10.0.7 to 10.0.9 by @dependabot[bot] in #717
  • Bump Fluxzy.Core.Pcap from 1.37.2 to 1.38.20 by @dependabot[bot] in #710
  • Bump Spectre.Console from 0.57.0 to 0.57.1 by @dependabot[bot] in #716
  • Bump Grpc.Tools from 2.81.1 to 2.82.0 by @dependabot[bot] in #732
  • Bump System.Threading.AccessControl from 10.0.7 to 10.0.9 by @dependabot[bot] in #734
  • Bump YamlDotNet from 18.0.0 to 18.1.0 by @dependabot[bot] in #735
  • Bump Nerdbank.GitVersioning from 3.10.85 to 3.10.91 by @dependabot[bot] in #738
  • Bump Spectre.Console from 0.57.1 to 0.57.2 by @dependabot[bot] in #733
  • Bump Fluxzy.Core from 1.37.2 to 1.38.20 by @dependabot[bot] in #709
  • Bump Microsoft.Extensions.Logging.Abstractions from 10.0.9 to 10.0.10 by @dependabot[bot] in #741
  • Bump Microsoft.Extensions.Logging.Console from 10.0.9 to 10.0.10 by @dependabot[bot] in #742 Other Changes
  • Set version to '1.39-alpha' by @haga-rak in #704
  • Apply response header timeout to h2 upstreams and add body idle timeout by @haga-rak in #722
  • Bound upstream connection establishment and release authority lock waiters on client abort by @haga-rak in #736
  • Use case-insensitive string hashing for header names by @bbartels in #727
  • Harden downstream accept loop against transient failures by @haga-rak in #750
  • Update NuGet package tags by @haga-rak in #753
  • Regenerate action/filter documentation by @haga-rak in #754 New Contributors
  • @bbartels made their first contribution in #725 Full Changelog: v1.38.20.31283...v1.39.45.50076

Installer type: zip

x86EE48096992CB4AD7D2D3CB2890698D574D075E7A90DD754C52372D45741208EF

Details

Homepage
https://github.com/haga-rak/fluxzy.core
License
GPLv3
Publisher
Fluxzy SAS
Support
https://github.com/haga-rak/fluxzy.core/issues

Tags

csharpdotnethttphttp-archivehttp2httpsimpersonatemitmmitmproxypcapproxy

Older versions (10)

1.38.20.31283
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1.37.2.44521
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1.36.55.6882
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1.35.26.32388
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1.35.16.14941
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1.34.1.16860
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1.33.10.50221
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1.32.1
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1.31.32
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1.31.24
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