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feat: HTTP/3 fingerprinting for Chrome 144 and Firefox 147#215

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bogdanfinn merged 1 commit intomasterfrom
http3-fingerprint
Jan 26, 2026
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feat: HTTP/3 fingerprinting for Chrome 144 and Firefox 147#215
bogdanfinn merged 1 commit intomasterfrom
http3-fingerprint

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@bogdanfinn bogdanfinn commented Jan 26, 2026

- Implement correct Chrome 144 HTTP/3 fingerprint with PRIORITY_UPDATE frame (984832)
- Implement correct Firefox 147 HTTP/3 fingerprint without SETTINGS_MAX_FIELD_SECTION_SIZE
- Add GREASE frames and random GREASE settings (Chrome only)
- Fix MaxResponseHeaderBytes handling (-1 for Firefox, positive values for Chrome)
- Add HTTP/3 protocol racing support
- All HTTP/3 fingerprint tests passing

    - Implement correct Chrome 144 HTTP/3 fingerprint with PRIORITY_UPDATE frame (984832)
    - Implement correct Firefox 147 HTTP/3 fingerprint without SETTINGS_MAX_FIELD_SECTION_SIZE
    - Add GREASE frames and random GREASE settings (Chrome only)
    - Fix MaxResponseHeaderBytes handling (-1 for Firefox, positive values for Chrome)
    - Add HTTP/3 protocol racing support
    - All HTTP/3 fingerprint tests passing
@bogdanfinn bogdanfinn changed the title feat: HTTP/3 fingerprinting for Chrome 133 and Firefox 135 feat: HTTP/3 fingerprinting for Chrome 144 and Firefox 147 Jan 26, 2026
@bogdanfinn bogdanfinn merged commit 9046b9d into master Jan 26, 2026
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