by George Whittaker Mozilla has officially released Firefox 153, bringing another round of improvements to its open-source web browser. The latest version introduces new multimedia capabilities, enhanced PDF editing tools, stronger privacy protections, better support for modern web technologies, and several features aimed at improving the browsing experience across Linux, Windows, and macOS. Firefox 153 became available on the stable release channel on July 21, 2026. While this isn't a major redesign, Firefox 153 delivers a collection of practical updates that benefit both everyday users and web developers. HDR Video Playback Comes to Windows One of the headline features in Firefox 153 is support for High Dynamic Range (HDR) video playback on compatible Windows systems. Users with HDR-capable displays and Windows HDR enabled can now enjoy richer colors, improved contrast, and brighter highlights when watching supported online video content. Mozilla notes that certain laptop displays of