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New DD Ad 05.11.26 V2 1

RESO’s Data Dictionary has a new home – and it’s a big step forward for anyone who works with real estate data standards. We have officially cut over from the long-running Data Dictionary Wiki to our new, streamlined platform at dd.reso.org. And with that move, we’re retiring the “wiki” name entirely.

This isn’t just a fresh coat of paint. It’s a full rebuild designed to make exploration and certification faster, clearer and more intuitive. Whether you’re a developer, vendor, MLS or industry partner, the new site brings the Data Dictionary closer to how you actually work.

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What’s New

Enhanced Exploration  
Browsing and searching Data Dictionary elements is now faster and more precise. The entire experience is built for clarity and ease of use. And to keep the transition seamless, any links to the old wiki will automatically redirect to the new site.

Draft Version Visibility 
For the first time, you can review Draft Status versions of the Data Dictionary directly in the web interface. In-progress work, drafts and ratified specifications now live in one place.

Mobile-Forward Design  
The new platform is built to be more usable on mobile devices, making quick lookups and on-the-go reference dramatically easier.

Technical Resources in One Place  
Standards, proposals and developer tools are now linked directly from the site. Everything you need to understand or implement RESO standards is centralized.

Certification Resources  
The certification portal and tools are accessible right from the new interface, reducing the number of places you need to jump between during the certification process.

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Accessing the New Site

Visit the Data Dictionary at dd.reso.org or our new tools at the tools.reso.org dashboard.

Let us know what you think at dev@reso.org. This is a major milestone in making RESO standards easier to understand, adopt and implement – and your feedback helps us keep improving.

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