Yes. Buried in the settings there’s an option to disable it

  • loutr@sh.itjust.works
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    2 hours ago

    It’s only for links shared via WhatsApp for some reason. Not sure how they know you’re sharing to WhatsApp… (Edit: firefox implements a custom share widget instead of the one provided by the OS, so they get a callback when the user selects the target)

    OP is wrong about the “unique” part tho, I get the same URL as them.