Got lucky today with Firefox and the Conexant audio driver in Windows. I turned off all of the Conexant services (which believe it or not doesn't affect the sound), and Conexant's Flow.exe isn't making a mess of things. Without that issue, Firefox is a lovely browser that spys a whole lot less.
Modern gear for the swing guitar player, 2019 update - Jonathan Stout https://www.campusfive.com/swingguitarblog/2019/4/19/what-should-i-buy-modern-gear-for-the-vintage-player-2019-update