Recently, this Unearthed Arcana article was released, which includes a new archetype for the Warlock class: the Lurker in the Deep patron. It's pretty obviously geared towards having a Kraken as a patron (with a bit of wiggle room to allow other patrons such as an Aboleth or Water Elementals, but it still seems pretty Kraken-centric to me).
However, whilst discussing these new recent Unearthed Arcana releases with other gamers at my local store, they mentioned that there was already a patron for the Kraken from a previous Unearthed Arcana. I tend to keep up to date with the Unearthed Arcana articles, especially when they include new class archetypes, so the fact that I had never heard of this was surprising to me.
They then showed me a web page on some unofficial D&D site (not dndwiki.com; it wasn't swamped with homebrew, but it still wasn't something official; I can't remember what it was called but it had the tagline "a pretty basic D&D wiki" or something similar). This archetype was called "The Kraken" and was listed alongside patrons I recognise, but it claimed it was Unearthed Arcana (with no source or date to validate it). I remember that the final class feature was called "Unleash the Kraken", but not much else.
Does anyone else recognise this? Is this an Unearthed Arcana archetype that I've missed, or is it just someone's homebrew posing as official content (or some other mix up)?