Except where noted, everything here applies to both Firefox 119 and the Firefox 115.4 [[Firefox ESR release cycle|ESR]]. =Other Changes= Encrypted Client Hello (ECH) is now available to Firefox users, delivering a more private browsing experience. ECH extends the encryption used in TLS connections to cover more of the handshake and better protect sensitive fields. Read more about the launch of ECH on [https://blog.mozilla.org/en/products/firefox/encrypted-hello/ Mozilla Distilled]. For further details on how ECH interacts with Enterprise policies, TLS middleboxes and other technology, see our [[Encrypted Client Hello (ECH) - Frequently asked questions|FAQ]] and [https://wiki.mozilla.org/Security/Encrypted_Client_Hello MozillaWiki] for experts. This is only available in Firefox 119.

Except where noted, everything here applies to both Firefox 119 and the Firefox 115.4 ESR.

Other Changes

Encrypted Client Hello (ECH) is now available to Firefox users, delivering a more private browsing experience. ECH extends the encryption used in TLS connections to cover more of the handshake and better protect sensitive fields. Read more about the launch of ECH on Mozilla Distilled. For further details on how ECH interacts with Enterprise policies, TLS middleboxes and other technology, see our FAQ and MozillaWiki for experts. This is only available in Firefox 119.