The Lancet is one of the world's oldest academic medical journals still in publication and one of the most cited sources of peer-reviewed medical research. But it is also well-known for publishing an infamous study by prominent anti-vaccine activist and disgraced ex-physician Andrew Wakefield, which falsely claimed to find a link between vaccines and autism. The Lancet retracted the study more than a decade later.
We support the entire evolution of the protocol: from Google’s original specification, through all fifteen IETF drafts – that’s sixteen versions. That means we have conditional logic littered throughout the codebase: version tags, padding schemes, tag labels, hash sizes, and packet layouts all vary with the protocol version. In several places, compatibility won over elegance or optimization.
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Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00554-4
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