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Reverse Engineering Browser v0.1.5

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@github-actions github-actions released this 19 Sep 05:06
· 60 commits to main since this release
v0.1.5
982192f
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macOS downloads

  • Origin Trace - the macOS research interface.
  • Brave Browser Development - the custom Apple-silicon browser containing the native fingerprint probes.

Unzip both downloads and keep the two apps beside each other. Opening Origin Trace will locate the custom Brave app and can launch it for the live capture workflow.

v0.1.5 changes

  • Adds a reproducible, pinned-source static Brave distribution build.
  • Uses a self-contained non-component browser bundle with the updater disabled.
  • Verifies the app after ZIP extraction instead of relying on files outside the bundle.
  • Includes the expanded native fingerprint probes and the redesigned per-tab Fingerprinting inspector from v0.1.4.
  • Captures Canvas readback images only when explicitly enabled for the session.

Validation

  • Main-branch CI passed on macOS and Linux.
  • The hosted release job built and verified Origin Trace from tag v0.1.5.
  • The custom Brave static build completed 49,150 build steps and passed isolated extraction, strict signature verification, launch, and live Fingerprint Playground QA.
  • Live QA observed 483 fingerprint events across all eight surface families, 255 unique operations, five Canvas readbacks, three open tabs, and zero missing event IDs.

Checksums

  • Brave Browser Development: f5b3dc4d56fdec11c710295dcd7bc0ab8e93f15b330f61ddc3c3a817c37ff62b
  • Origin Trace: ffcd1ee2b2e719fb153ef9313713e069f1fdb025717ce550734c673d458cfc81

Distribution note

These macOS apps are ad-hoc signed for development and internal testing. They are not Developer ID signed or notarized.

Full changelog: v0.1.4...v0.1.5

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