1- OS X El Capitan - Firefox Quantum 57.0.4 , Opera 50.0
2- Windows 10 Pro x64 - Firefox Quantum 57.0.4
3- Windows 10 Education x64 - Firefox Quantum 57.0.4
4- Android 6.0.1 - Firefox 57.0.4
5- Android 7.1.1 - Firefox 57.0.4
Thanks for adding, and good luck with the project!