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2h ago

Firefox 145 Adds PDF Comments and Anti‑Fingerprinting, Patches Vulnerabilities as 32‑Bit Linux Support Ends

Mozilla says the release halves identifiable fingerprints in private browsing or strict tracking protection.

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Overview

  • Mozilla documents fixes for at least 16 vulnerabilities, including five WebGPU issues and CVE‑2025‑13027, with the same flaws addressed on Android.
  • The integrated PDF viewer now lets users add, edit and delete comments and navigate annotations via a dedicated sidebar.
  • A new “copy link to highlight” feature creates URLs that open pages with the selected text automatically highlighted.
  • Interface updates add password management in the sidebar, tab‑group previews, and an option to open links from other apps next to the active tab.
  • ESR 140.5.0 and 115.30.0 ship with security patches, with ESR 140 continuing 32‑bit Linux updates at least through September 2026 and ESR 115 supported through March 2026; the Tor Browser has moved to ESR 140.5.