The web browser update race is entering a new phase. After Google switched Chrome to a two-week release cadence and Microsoft Edge followed suit just a month ago, Mozilla is now taking Firefox down the same path.

In a message shared with developers, Mozilla confirmed that Firefox Desktop and Android will move from the current four-week major release cycle to a two-week cadence starting in September 2026. The change is being treated as an experiment rather than a permanent shift.

According to Mozilla, the goal is to “give work that is ready to ship more frequent opportunities to reach users, while making the release process more predictable and reducing pressure on uplifts.” The company also stressed that the faster schedule does not mean developers should rush features that aren’t ready. Instead, features will continue to take the time they need before shipping.

If all goes according to plan, Firefox 155 will become the first release under the new schedule, with a target release date of September 1, 2026, two weeks earlier than the previously planned September 15 launch. Mozilla says it will closely monitor the experiment and make adjustments if necessary.

The announcement didn’t come as a huge surprise to me. Browser vendors have increasingly been looking for ways to deliver features, security fixes, and bug patches to users more quickly without overloading engineering teams.

Google was the first among the major browsers to embrace the faster rhythm, moving Chrome to a two-week stable release cycle to get updates into users’ hands sooner. Microsoft later aligned Edge with Chrome’s schedule, making maintenance easier given Edge’s Chromium foundation. Now, Firefox is adopting a similar cadence, even though its underlying engine remains independent.

For Firefox users, the immediate impact should be fairly subtle. You’re unlikely to notice dramatic changes every two weeks, but you can expect security updates, bug fixes, and completed features to arrive more frequently instead of waiting an extra fortnight.

With Chrome, Edge, and now Firefox converging on the same release rhythm, a two-week cadence is quickly becoming the new standard for modern desktop browsers. Mozilla’s experiment will determine whether that pace becomes a permanent part of Firefox’s future.

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