Mozilla officially launched Firefox 83 today,This release makes a major update to the JavaScript engine SpiderMonkey, improves the speed of the browser, wherePage loading performance is improved by 15%, page response is improved by 12%, and memory consumption is reduced by 8%。
Part of the JavaScript engine has been replaced by Firefox 83 to better compile and display websites, while improving security and maintainability.
Only the mode of http-83 has been officially openedWhen this mode is enabled, the browser will establish a fully secure connection with each website. If you click on the HTTP page, it will automatically replace the HTTP address. If you visit a website that doesn't support HTTPS, Firefox will alert users. You can turn on the first mock exam in settings.
In the new version,Gesture scaling already supports touchpad on Windows touch screen devices and MAC devicesOn these devices, Firefox users can use gestures to zoom in and out of web pages.
Picture in picture now supports fast forward and backward video with keyboard shortcuts, you can use the arrow keys to move back and forth for 15 seconds at a time, or you can use the keyboard to control the volume.
Firefox 83 has also improved the video conferencing interface to see which device is being shared when you share the screen.
Firefox 83 optimizes the search function.
Firefox 83 supports acroform, which allows you to fill in, print, and save supported PDF forms, and the PDF viewer has a new look and feel.
Mozilla pointed out that Firefox 83 also supports new devices with Apple's Silicon processor and apple Rosetta 2 simulator on MacOS Big Sur operating system, and will implement local compilation for these CPUs in future versions.
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