feat: add embeds metadata#1521
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gulien merged 1 commit intogotenberg:mainfrom Apr 16, 2026
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FYI, this PR focuses on Factur-X compliance. Other metadata could be added later. Ex:
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Thanks! |
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@Jean-Beru could you update the documentation from gotenberg.dev too? 😄 |
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Covers the changes from gotenberg/gotenberg#1521: - new embedsMetadata form field on Chromium, LibreOffice and PDF Engines routes - new /forms/pdfengines/embed route - new --pdfengines-embed-metadata-engines flag (default qpdf)
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Covers the changes from gotenberg/gotenberg#1521: - new embedsMetadata form field on the shared attachments PDF engines partial and on the attachments route - updated --pdfengines-embed-engines default to qpdf,pdfcpu - new --pdfengines-embed-metadata-engines flag (default qpdf)
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Apr 17, 2026
Covers the changes from gotenberg/gotenberg#1521: - new embedsMetadata form field on the shared attachments PDF engines partial and on the attachments route - updated --pdfengines-embed-engines default to qpdf,pdfcpu - new --pdfengines-embed-metadata-engines flag (default qpdf)
Jean-Beru
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Apr 17, 2026
Covers the changes from gotenberg/gotenberg#1521: - new embedsMetadata form field on the shared attachments PDF engines partial and on the attachments route - updated --pdfengines-embed-engines default to qpdf,pdfcpu - new --pdfengines-embed-metadata-engines flag (default qpdf)
Jean-Beru
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Apr 17, 2026
Covers the changes from gotenberg/gotenberg#1521: - new embedsMetadata form field on the shared attachments PDF engines partial and on the attachments route - updated --pdfengines-embed-engines default to qpdf,pdfcpu - new --pdfengines-embed-metadata-engines flag (default qpdf)
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For sure 😎 |
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Covers the changes from gotenberg/gotenberg#1521: - new embedsMetadata form field on the shared attachments PDF engines partial and on the attachments route - updated --pdfengines-embed-engines default to qpdf,pdfcpu - new --pdfengines-embed-metadata-engines flag (default qpdf) Assisted-by: Claude:claude-opus-4-7
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Summary
Adds a new
embedsMetadataform field across Chromium, LibreOffice, and PDF Engines routes that writes PDF/A embedded-file metadata (Subtype,AFRelationship, and the document-level/AFarray) on attached files. A newEmbedFilesMetadatamethod is added to thePdfEngineinterface and fully implemented in the QPDF engine via JSON manipulation.Why
This is required for Factur-X / ZUGFeRD compliance. The Factur-X specification mandates that the XML invoice embedded in the PDF carries a
Subtype, anAFRelationship(e.g.Alternative,Source), and that every associated file is referenced from the/AFarray in the Document Catalog. Without these, PDFs produced by Gotenberg fail validation at https://services.fnfe-mpe.org/ and cannot be used as legal electronic invoices in jurisdictions that require Factur-X (France, Germany, and the broader EU e-invoicing rollout).Factur-X validation
Likely fixes #1485.