


The second tweak affects Windows users only, and uses a feature called Off-Main-Thread Painting (OMTP) to render graphics using a different processor thread to Firefox itself, helping boost performance.Įlsewhere, the Firefox Screenshots tool now allows users to copy and paste screenshots directly to their clipboard, plus works in Private Browsing Mode. The first delivers improved page-loading times thanks to changes in the way Firefox caches and retrieves JavaScript.

Two significant performance improvements have been added with the release of Firefox Quantum 58.0.
