Changelog

Every data update, method change, and correction — dated, in public, permanently. This page is the Index's freshness guarantee.

# Changelog — Federal Marketplace Index
All data updates, method changes, and corrections are recorded here, permanently.

## v0.1 — 2026-07 (initial public release)
- First publication: protection-layer exposure table and order-channel migration
  series, FY2022–FY2026, from ~30.1M public contract actions reconciled to SBA
  goaling figures. Published to accompany public comments filed in the FAR
  Overhaul rulemakings (FAR Cases 2026-001, -002, -005, -007).
- Known limitations: FY2026 figures are partial-year and labeled as such.