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Firefox 154 shipped with GeForce NOW support and a PiP playback‑speed control; the team moved to a 2‑week release cadence, added a Linux‑system‑theme option in Nova, and landed dozens of bug fixes across Add‑ons, WebExtensions, DevTools, WebDriver and the New Tab page, many driven by community contributors.
Firefox 155 shipped via a new 2‑week release train; the week’s highlights include a WebExtensions theme API addition, multi‑context address bar in Nightly, DevTools stylesheet editing in the JS debugger, and extensive New Tab page UI/telemetry work (stocks widget, privacy widget, policy‑locked settings). The post also calls out many volunteer contributors and a handful of infrastructure tweaks (T…
Weekly Firefox automation update covering new @media emulation UI, theme picker tweaks, Picture‑in‑Picture caption support, several WebExtension bug fixes (frameId attribution, startup race), DevTools enhancements (JSONL viewer, screenshot speed‑up, ::checkmark pseudo‑element), and assorted tooling clean‑ups.
Firefox 154 adds a Windows‑only UI to change the default browser icon, exposes a new Picture‑in‑Picture WebAPI, and ships a raft of small but concrete improvements across Add‑ons, DevTools, WebExtensions, WebDriver and the Rust‑based login storage component. Most changes are toggles or bug‑fixes (e.g., CSS handling in the Debugger, startup‑performance regression fix, storage.local auto‑reset, and…
