Tor Browser 15.0 Released with Firefox ESR 140 Updates
First seen 1 Dec 2025, 22:44 UTC
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Tor Browser 15.0 has been released, marking the first stable version based on Firefox ESR 140. This release incorporates a year's worth of changes from Firefox and includes an annual audit addressing around 200 Bugzilla issues related to privacy and security for Tor users. The update is part of the ongoing effort to maintain the security and privacy of the Tor Browser.
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