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Dev coordination — June public sync

Tuesday, 23 June 2026 · 13:00 CET

TL;DR. First public dev meeting of the post-1.5 cycle. EM 1.5 LTS shipped, PR #28 (Postgres pyArchInit backend) merged, DP-61 (Mappings Registry) on the table. Open floor on Sub-3 timing and how to contribute.

Standing agenda

This meeting follows the standard blender.org module meeting format. Open by default, notes-first, decisions visible.

  1. Announcements & releases since the last meeting.
  2. PRs and proposals on the table.
  3. Architectural decisions to discuss.
  4. Open floor.

How to participate

  • Async, before the meeting: drop agenda items in the Meeting Notes discussion thread on the ExtendedMatrix-dev-site repo. The thread is open from a week before the meeting; the maintainer pins the top agenda items to the body once the deadline closes.
  • Live, during the meeting: join the Teams call linked above — it opens in the browser, no Microsoft account required. Teams will ask you for a display name on the join page; please use your real name (and an affiliation if relevant). Speak up on any agenda item; raise your hand for “open floor” topics.
  • After the meeting: the maintainer transcribes the discussion into this page (TL;DR, decisions, action items in the frontmatter
    • per-topic narrative in the body). The discussion thread stays open for follow-up questions.

Topics expected this session

Based on what landed since the last meeting and what’s currently in flight, the following topics are likely:

Topic 1 — EM 1.5 LTS retrospective

Discussion: what worked / what didn’t in the 1.5 release process. EM 1.5 LTS shipped with Landscape mode, CronoFilter, Document Manager, Proxy Box Creator, and s3dgraphy standalone on PyPI. What was the friction? What’s the LTS commitment going forward?

Decision (to be filled in after the meeting).

Action items (to be filled in after the meeting).

Topic 2 — PR #28 wrap-up & Sub-3 plan

Discussion: PR #28 (PostgreSQL/PostGIS backend for pyArchInit imports, contributed by Enzo Cocca) merged into EM-tools_v1.6.0_dev. The smoke test was green; follow-up items landed on main via three separate commits (SpatiaLite fixtures, pytest scaffolding migration, dead-stub cleanup). Open question for @enzococca: Sub-3 (reverse export) — same branch, same PR style, which week? Asking so the s3dgraphy-side write-path review can be lined up at the right moment.

Decision (to be filled in after the meeting).

Action items (to be filled in after the meeting).

Topic 3 — DP-61 EM Mappings Registry & Builder

Discussion: DP-61 has just been drafted on the dev-site (dev.extendedmatrix.org). It proposes a community-curated registry of mapping JSONs served from mappings.extendedmatrix.org, with an embedded client-side mapping builder and a publish-as-PR flow. Four open decisions are called out in the notes — subdomain, hosting, PR review policy, builder embed style. This meeting is the natural place to converge on those.

Decision (to be filled in after the meeting).

Action items (to be filled in after the meeting).

Topic 4 — How to contribute (always-on item)

Discussion: standing slot for anyone who wants to contribute but doesn’t know where to start. Bring the kind of work you’d like to do (code, manual, integrations, case studies) and we’ll match it to what’s open. ORCID-tagged contributions are welcome (see DP-59 for the long-term identity layer); anonymous contributions are equally welcome.

Topic 5 — Open floor

Anything that didn’t fit above. Raise your hand during the call, or drop it into the discussion thread before/after.


Decisions and action items reached during the meeting are populated in the frontmatter above and shown as side cards on the page. The body of this file becomes the verbatim narrative — keep edits to the body in plain prose so readers can scan it without clicking around.