
The browser also improves Picture-in-Picture subtitles features as you can now change the font size directly from the PiP window. With improved performance on high-refresh rate monitors with 120Hz or more, 2021 MacBook Pro users will finally experience that smoother scrolling and surfacing the web on Firefox. When filling out a formulary, Firefox 103 will highlight the required fields in PDF forms. This Firefox update also brings improved responsiveness during periods of high CPU load by switching to a modern lock API.


In this version, one of the most notable changes is support for monitors with a 120Hz refresh rate, which includes the new 14-inch and 16-inch MacBook Pro with M1 Pro or M1 Max chips. Firefox 103.0 is the browser’s latest update for macOS users.
