this is the browser/host info from a real windows10 system running upstream firefox: codeName=Mozilla appName=Netscape appVersion=5.0 (Windows) oscpu=Windows NT 10.0; Win64; x64 platform=Win32 product=Gecko buildID=20181001000000 userAgent=Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0
here are two mutually-exclusive patches, one for each potential fix: update spoofed user-agent to match firefox on windows10: https://git.parabola.nu/~bill-auger/icecat.git/commit/?h=update-spoofed-useragent&id=9b0b4bbbbf144d6d1f319330191ed8990079b6a7 do not spoof user-agent at all (default generic "Linux <ARCH>"): https://git.parabola.nu/~bill-auger/icecat.git/commit/?h=do-not-spoof-useragent&id=1351954b2fba37cec9262e970a84ce0d7b62df1d
