MISMO Version 3.6.3 Reference Model

MISMO® published the MISMO Version 3.6.3 Reference Model as Candidate Recommendation status on June 2, 2026.

Access Information for Members

MISMO Members can access the Member Only version of the reference model & supporting components in the Resource Library housed here on MISMO's Collaboration Site, "MISMO Connect". 

The member version of the resource includes:

• XML Schema
• Enhanced Logical Data Dictionary (ELDD) with Unique IDs
• Logical Data Dictionary (LDD)
• YAML Files
• JSON Schema files  
• Unique ID Matrix
• Version Comparison Report
• Release Notes

Access Information for Non-Members

Non-Members can access the reference model & supporting components listed below here:

• XML Schema
• Logical Data Dictionary (LDD)
• Release Notes

Disclaimer

MISMO Disclaimer