This release adds 1 notable feature for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
Topics
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ReleasePort's take
Light signalThe stealthfox Python package automatically downloads and applies Firefox 150.0.1 stealth patches on first launch, providing pre‑patched binaries for Windows and Linux x86_64.
Why it matters: If your deployment uses stealthfox, expect an initial download of patched Firefox binaries; plan for network usage during first launch.
Summary
AI summaryStealth-patched Firefox 150.0.1 released for Linux and Windows x86_64.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Provides pre‑patched Firefox binaries for Windows and Linux x86_64 platforms. Provides pre‑patched Firefox binaries for Windows and Linux x86_64 platforms. Source: llm_adapter@2026-05-21 Confidence: high |
— |
| Dependency | Medium |
stealthfox Python package now downloads Firefox 150.0.1 stealth patches on first launch. stealthfox Python package now downloads Firefox 150.0.1 stealth patches on first launch. Source: llm_adapter@2026-05-21 Confidence: low |
— |
Full changelog
Stealth-patched Firefox 150.0.1 for Windows + Linux x86_64.
Assets:
firefox-150.0.1-stealth-linux-x86_64.tar.gz(119MB) - Linux x86_64firefox-150.0.1-stealth-win-x86_64.zip(124MB) - Windows x86_64checksums.txt- SHA256 manifest
Downloaded automatically by the stealthfox Python package on first launch.
Source patches: feder-cr/firefox-stealth
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About feder-cr/invisible_playwright
All releases →Related context
Related tools
Earlier breaking changes
- vfirefox-3 Supersedes firefox-2; invisible_playwright BINARY_VERSION bumped to firefox-3 in 0.1.3.
Beta — feedback welcome: [email protected]