We also made functional and privacy improvements to Firefox Screenshots. We're optimizing the performance gains we released in 57 by improving the way we render graphics and cache JavaScript. With this release, we're building on the great foundation provided by our all-new Firefox Quantum browser. Full release notes for the update are available from the Firefox website.

Improvements have also been made to the way CSS fonts are displayed for shorter loading times, there's a new Promise feature to reduce redundant code, and functional and privacy improvements have been made to Firefox Screenshots. Specific new additions include background tab throttling, a WebAssembly Streaming Compiler, and Off-Main-Thread Painting (OMTP) for a 'significantly better' rendering process, with full details on the speed improvements available on the Firefox blog. Mozilla today announced the launch of Firefox 58, building upon the new 'Quantum' features that were introduced in Firefox 57 back in November.įirefox 57 introduced a redesigned interface, new UI features, speeds twice as fast as Firefox 52, and an engine that uses 30 percent less memory than Google Chrome, and Mozilla is continuing to introduce additional improvements in Firefox 58.įirefox 58 includes updates to Gecko, Firefox's rendering engine, which are designed to streamline and speed up the browsing experience.

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