The Perk-Distribution Bug has existed since at least Final Shape, 4 months ago. It just didn't happen on any popular perk combinations, so it flew under everyone's radar.

[u/Soft_Light]

https://x.com/mossy_max/status/1849246476041605224

"There's no reason that Moving Target + Threat Detector should be 17x more likely than MT + Repulsor Brace."

Truthteller was reissued when Final Shape came out. Notoriously, it was panned as a pretty shitty reissue, with no good rolls, no clearly defined god roll, and overall just everyone moved on and ignored it.

However, even on Truthteller, the perk distribution is night and day. This is the exact same bug that's on Chill Inhibitor.

It's just that nobody was crying they couldn't get "Harmony + Grave Robber" on the GL. Out of tens of thousands of drops, only 161 people got Danger Zone + Elemental Capacitor.

That is fractions of a percent.

This bug has existed for a while. It's only just now, just this season, just recently, that it's finally happened to a meta defining god roll trait combination.

How long as this been in the system?

[u/MrDeathCoctail]

It’s existed since into the light, everyone was complaining about weighted rolls then too

[u/Soft_Light → u/MrDeathCoctail]

Mountaintop's Autoloading + Recombination perks are lined up identically to one another in the API. The perks are horizontal with one another.

https://www.light.gg/db/items/568611922/the-mountaintop/?p=,,,,,0,0

So if you want to argue that Final Shape's "perk weighting" bug existed back then, then you'd also need to argue why the #1 most likely, highest drop chance perk combination wasn't dropping.

Same for Elsie's Rifle. Zen Moment + Headseeker are separated by +3 perks, and therefore should be rare by this bug, and yet Light.gg rates it as the #1 combination at 17.8% of all rolls.

https://www.light.gg/db/items/2372514509/elsies-rifle/?p=1482024992,679225683,2387244414,460017080,2489430594,0,0

It was likely just a thing in the brand new expansion. No data exists that verifies it was a thing for Into The Light.

[u/Zeto_0 → u/Soft_Light]

dont look at lightgg for "perk ordering", look at the api directly with for ex. destiny data explorer or another website that doesnt reshuffle the perks like d2foundry. regardless you are correct that alh and recomb are right "next to each other".

[u/saibayadon → u/Zeto_0]

The Perk Explorer shows the perks in API order like d2foundry would do; They're right: https://d2foundry.gg/w/2372514509?p=0,0,2387244414,460017080&m=0&mw=0

Zen Moment + Headseeker should be a moderately rare roll. The same applies for Luna's Howl; The #3 and #4 most popular trait combo is the most furthest away perk combo possible, akin to EA + BnS.

[u/Zeto_0 → u/saibayadon]

correct, d2foundry is right. be aware of analyzing lightgg datasets for especially popular weapons with a large sample size, as they are HEAVILY skewed towards player favorite rolls and are more a reflection of player behaviour than perk drop rates

[u/Halo_cT → u/saibayadon]

when you use an older weapon it's much more skewed to good rolls people have kept. I dropped probably 50-100 elsies during that event and i only got one with that zen/hs roll. It's also one of the few remaining ones that have survived many vault audits.

it being popular so much later and it being a good roll both mean this is still very possible.