We are happy to announce that Friday, August 26th, we are organizing Firefox 49 Beta 7 Testday. We will be focusing our testing on WebGL Compatibility and Exploratory Testing. 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!