When a platform company's emerging/secondary products reach a critical mass of enterprise adoption, their contribution to net new ACV can step-change in a single quarter rather than accumulating gradually. The trigger is not feature completeness — it is the moment enterprise procurement includes secondary products in the same buying motion as the core product. Once the largest deal cohort ($100K+) routinely includes secondary products at >80% inclusion rates, the blended ACV mix can jump 10-12pp in one quarter.
This is distinct from gradual product adoption curves seen in SMB motions. Enterprise buyers with existing contracts can add products without a new procurement cycle, and large deals have internal champions for multiple pain points simultaneously. The inflection also signals the company has shifted from "selling products" to "selling a platform" — a fundamentally different competitive moat and NRR trajectory.
Track emerging product ACV % (or non-core bookings mix %) as a leading platform indicator, not a vanity metric. When it reaches single-digit % (5-10%), monitor enterprise deal inclusion rates ($100K+ deal composition) rather than the blended ACV % — the blended metric will lag the underlying shift by 2-3 quarters. When enterprise deal inclusion crosses ~70-80%, or non-core bookings cross 40-50% of total, model for a non-linear step-change in ACV mix in the next 1-2 quarters. This step-change is a platform phase transition: it changes the NRR ceiling, the expansion motion, and the competitive moat depth. Re-rate upward — it is not a one-quarter anomaly to be discounted.
ARR/bookings lead confirmation: The IOT and S evidence both show the platform bookings inflection precedes revenue recognition by 1-4 quarters. When the bookings mix inflection coincides with a record net new ARR quarter, treat this as a compound signal: platform transition is real and the revenue reacceleration is 2-4 quarters away, not speculative.