Mozilla has released Firefox 77 today, June 2nd, 2020, to the Stable desktop channel for Windows, Mac, and Linux desktop users. The most noteworthy changes in Firefox 77 are an updated about:certificate page and the increased rollout of the Web Render feature. Mozilla has fixed seven security vulnerabilities, with five of them rated as ‘High,’ one as ‘Moderate,’ and one as low as ‘Low’ The full list of security issues patched by Mozilla in the Firefox 77.0 is below:
Source: https://www.bleepingcomputer.com/news/software/firefox-77-rolls-out-webrender-to-more-windows-10-laptops/