Post Syndicated from jzb original https://lwn.net/Articles/1106542/

Version
160 of the Firefox web browser has been released. Notable features in this
release include the ability to block sites from asking to handle
“mailto:” links, ability to play Matroska files with FLAC, MP3, or PCM
audio, playback speed controls in the picture-in-picture
video player, and a new Mini
Window feature that is in early development.