In this session from June 10, 2026, the Project Haystack Labs working group shares the latest progress toward Haystack 5 and explores how community collaboration is accelerating advances in semantic modeling for the built environment.
Topics include:
• Xeto developments
• Systems modeling
• Support for nested and flat data models
• Modeling for VFDs, motors, valves, actuators, dampers, boilers, EVSE, and electric metering
• Ongoing enhancements to the Project Haystack ontology
Whether you're implementing Haystack today or helping shape the future of interoperable building data, this webinar offers valuable insights into the work being driven by the community.
Watch the recording: https://vimeo.com/1201490795
Thank you to everyone contributing their time and expertise to advance Haystack 5 and the broader ecosystem of open, semantic building data.
Additional Resources:
• Project Haystack Main Website https://project-haystack.org
• Project Haystack Marketing Website https://marketing.project-haystack.org
• Project Haystack Working Groups https://project-haystack.org/forum/wg
• Project Haystack Information / Membership This email address is being protected from spambots. You need JavaScript enabled to view it.
• Xeto Github https://gihub.com/project-haystack/xeto
• Haxall Github https://github.com/haxall
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