Firefox 155 released (lwn.net)
<p><a href="https://www.firefox.com/en-US/firefox/155.0/releasenotes/">Version
155</a> of the Firefox web browser has been released. Notable changes include a
count in the address bar of how many ad trackers Firefox has blocked, container
reordering, and ensuring that <tt>mailto:</tt> links are only opened by explicit
user actions. There is also a change of the domain used for "captive portals"
(such as the ones used to sign into hotel WiFI): Firefox now uses
"firefox-portal-detection.com" instead of "detectportal.firefox.com", which may
require a change in network allow lists.</p>
<p>The release also includes a number of <a
href="https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/155">changes
that may impact web developers</a>, as well as a number of bug fixes and <a
href="https://www.mozilla.org/en-US/security/advisories/mfsa2026-82/">security
fixes</a>.</p>
<p></p>
155</a> of the Firefox web browser has been released. Notable changes include a
count in the address bar of how many ad trackers Firefox has blocked, container
reordering, and ensuring that <tt>mailto:</tt> links are only opened by explicit
user actions. There is also a change of the domain used for "captive portals"
(such as the ones used to sign into hotel WiFI): Firefox now uses
"firefox-portal-detection.com" instead of "detectportal.firefox.com", which may
require a change in network allow lists.</p>
<p>The release also includes a number of <a
href="https://developer.mozilla.org/en-US/docs/Mozilla/Firefox/Releases/155">changes
that may impact web developers</a>, as well as a number of bug fixes and <a
href="https://www.mozilla.org/en-US/security/advisories/mfsa2026-82/">security
fixes</a>.</p>
<p></p>
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