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Gridline 0.9.0 adds an optional signed source-to-Blender/GLB/IFC4 pipeline, building on stable 0.8.1. This is a qualified release within the declared file-based scope.
- 13 explicit ARCHIMESH visual recipes, pinned official external source and disposable Blender 5.2.3 generation, with native/GLB geometry, UV, normal, material, identity and placement readback.
- Signed canonical revisions and typed component, level, wall, opening and room proposals; conflicts, revalidation, indexed drawing/schedule impacts and approved restore.
- Opt-in Poly Haven CC0 texture planning/cache, integrity and packed PBR/provenance checks. Downloads require explicit approval; no user-profile add-on is installed.
- Actual IFC4 export and public readback: schema/EXPRESS, spatial hierarchy, room/source geometry, material/quantity mapping, stable GUIDs and opening/host/filling relationships.
Validation: 228 CAD-required local tests with zero skips; merged-main Linux CI passed 228 tests and Windows portable checks passed with documented platform skips. The complete signed before/after drawing/native/IFC pipeline and all 13 recipes passed. All 26 real-texture native/GLB corruptions, 30 IFC corruptions and one stair-count corruption were rejected. Actual isolated Claude, Codex, Gemini and standalone 0.8.1→0.9.0→0.8.1 lifecycle checks passed. No model inference or live user-profile changes were used for those checks.
Source: 1359d547319d535b3bca09d3003898ff51be15f2, tree e705a3d2ba2b2e2208df0dc157d4852aa1f9d235, identical to the reviewed feature tree. All six candidate files match the locally verified exact-source build, and their publisher signatures were verified against the fixed main/workflow/source/GitHub-hosted-runner policy. Merged-main CI · publisher attestation.
The separate release-qualification.json binds immutable candidate hashes, live CI/signatures, the reviewed gate evidence and owner approval. The agent recorded that statement under the owner's explicit ship instruction; delegated-owner-authorization.json preserves the delegation. This is not independent human or professional review. The candidate manifest intentionally retains its historical UNQUALIFIED_CANDIDATE build status; publication authority is the separate qualified receipt.
Limits: frozen editable meshes, opaque component windows, faceted open-ended display columns, nominal prop dimensions and partial indexed dependency impacts. Client IDS/MVD approval, professional/regulatory/manufacturing certification, interactive upstream panels, general client interoperability and live Revit/AutoCAD transactions remain unverified or unsupported. Full roadmap #13/#15/#45 acceptance remains open. See qualification scope and usage.
Licensing: existing MIT grants are preserved; the first-party Blender API worker/harness is GPL-2.0-or-later with corresponding source/full text. External ARCHIMESH code/images, IFC binaries and raw texture channels are not bundled. This notice is not legal certification.
Verify SHA256SUMS, RELEASE_SHA256SUMS, publisher signatures and the live approval before installation. Provider updates remain opt-in/manual as supported; no global installation was changed. Existing 0.8.1 release/tag and backups remain available for rollback.