We are happy to let you know that Friday, December 8th, we are organizing Firefox 58 Beta 10 Testday. We’ll be focusing our testing on Media Recorder Refactor and Tabbed Browser.
Check out the detailed instructions via this etherpad.
No previous testing experience is required, so feel free to join us on #qa IRC channel where our moderators will offer you guidance and answer your questions.
Join us and help us make Firefox better!
See you on Friday!