Informed™ Product Guidance Changelog

Product guidance uses semantic versioning to better support projects in progress, and to be transparent about how our guidance is evolving as the market changes and our research uncovers more information. A single version number applies to all product guidance categories. Not all product categories are updated in each version. See below for descriptions of what has changed in each version release.

Version Release Date Release Notes
v3.1.0 2026-03-23

A new sheet was added to the Informed Assessment Form to facilitate achieving criteria for the WELL for residential program. No changes were made to the underlying product guidance.
v3.0.0 2026-02-24
  • New analysis and updated guidance for countertops and flooring categories. Updated assessment form.
  • Added new product types to countertops and flooring categories. Updated assessment form.
  • Updates to sources in flooring and countertops categories.
v2.0.0 2025-10-20

Introduced assessment form for use with product guidance pages.