Updates from the project.

Releases, events, conferences, and major direction announcements.

• 4 Jun 2026

  Two community meetings in June: EM Hour (11th) and Dev Meeting (23rd)

  Recurring meetings calendar reopens after EM 1.5 LTS: EM Hour on the 11th (community happy hour) and Dev Meeting on the 23rd (public coordination). Both on Teams in the browser — no Microsoft account needed; please use your real name when joining.

  communityem-hourdev-meeting
• 2 Jun 2026

  EM 1.5 is out

  EM 1.5 ships with Landscape mode, CronoFilter, the new TSU vocabulary, an LTS commitment, and a refreshed EM Tools manual — the result of two years of work and the launchpad for the StratiGraph 1.6 cycle.

  releaseemem-tools
• 2 Jun 2026

  Extended Matrix at the heart of European projects

  EM is now a building block of the StratiGraph European project — funded by the European Commission and contributing to the European Collaborative Cloud for Cultural Heritage (ECCCH).

  european-projectsstratigrapheccchstandards
• 2 Jun 2026

  extendedmatrix.org, refreshed

  A redesigned home for the Extended Matrix ecosystem: clearer onboarding, the 1.5 stable line front and centre, an open 1.6 development track, and a tighter window onto the StratiGraph European project.

  sitereleaseem
• 8 Sept 2025

  EM at DH 2025

  Extended Matrix presented at the Digital Humanities 2025 conference — talks, posters and discussions on the StratiGraph trajectory.

  eventconferencedh2025
• 15 Oct 2024

  EM 1.4 is out

  Extended Matrix 1.4 release — formal introduction of TSU, refinements across the formal language, and consolidation of the framework toward 1.5.

  releaseem
• 15 Sept 2024

  EM-TSU — Transformation Stratigraphic Units

  Introduction of the new TSU node type for documenting decay, restoration and thematic surveys without forcing them into the standard stratigraphic vocabulary.

  releaseemconservation
• 11 Apr 2024

  EM Conference 2024

  First Extended Matrix Conference — talks, workshops and a community gathering devoted to the formal language and the framework around it.

  eventconference
• 11 Mar 2024

  EM-SSH

  Extended Matrix and the Social Sciences and Humanities — exploring how EM extends to non-archaeological cultural-heritage domains.

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• 21 Apr 2023

  EM Bazaar 2

  Second edition of the EM Bazaar — community gathering, demos and discussion around Extended Matrix.

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• 21 Feb 2023

  EM 1.3 is out

  Release of Extended Matrix 1.3 — refinements to the formal language, expanded paradata vocabulary, and stability improvements across the framework.

  releaseem