WEB Signal 56
Firefox 155 adds Happy Eyeballs v3, visible tracker counts, reorderable containers
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Firefox 155 introduces parallel connection attempts via Happy Eyeballs v3, displays blocked tracker counts in the address bar, allows container reordering, and fixes Linux sleep issues, background audio stops, and other platform-specific bugs.
Happy Eyeballs v3 directly improves connection reliability on dual-stack networks where IPv4 or IPv6 paths are slow. The visible tracker count makes privacy protection observable without external tools. The Linux sleep and background audio fixes address long-standing operational annoyances.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
Happy Eyeballs v3 tries IPv4 and IPv6 connections in parallel, reducing delays on unreliable networks.
Blocked tracker counts now appear in the address bar and can be hidden without disabling protection.
Linux systems can now enter sleep properly after prolonged Firefox sessions, and background audio streams no longer stop unexpectedly.
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