Great guide, I'm setting some stuff I didn't know about off of it.
I know mobile is not the most popular here but i know people use it a fair amount. And some of the setting aren't available in menu on firefox mobile
RE, that:
You can go to "chrome://geckoview/content/config.xhtml" for about:config
Allow websites to perform privacy-preserving ad measurment == dom.private-attribution.submission.enabled to false
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CC: @prahou @khm
CC: @prahou@merveilles.town