Changelog for Python

General

• Changed
  Improves classification for handwriting zones for the VLM pipeline. (#2737)
• Changed
  Improves the Python API reference layout with per-tag folder hierarchies for settings classes. (J#NAT-481)
• Changed
  Changes the OCR setting to support multiple modes, including an automatic mode that selects the best processing pipeline. (#2738)

Office

• Added
  Adds rendering of DisplayBarCode QR code fields in Word documents during conversion. (J#MAMBO-2058)
• Added
  Adds rendering of form checkboxes and dropdowns from ODT documents during conversion. (J#MAMBO-2072)
• Fixed
  Fixes a crash when converting Word documents containing an IF mail-merge field that resolves to an empty result. (J#MAMBO-2076)
• Fixed
  Fixes DOCX repair so footers stored with an invalid hdr root element are corrected to ftr. (J#MAMBO-2078)
• Fixed
  Fixes an invalid image stream exception. (J#MAMBO-2077)
• Fixed
  Fixes MSG files with custom IPM.Note subclasses, such as archived emails, being reported as an unknown format. (J#GDPIC-1621)

PDF

• Changed
  Improves embedded font subsetting with corrected .notdef glyph handling and CFF font reconstruction.
• Changed
  Changes the Producer and Creator metadata of generated PDF documents from GdPicture.NET to Nutrient SDK. (J#NAT-460)
• Fixed
  Fixes PDF/A validation errors related to embedded font glyph and width consistency. (J#PDFA-95)

General

• Added
  Adds a text export format for converting documents to plain text.
• Added
  Adds an opt-in strict structured-output mode for AI data extraction with automatic schema normalization.
• Added
  Adds first-class form-field detection to the Vision API, with optional AI semantic labeling of detected fields.
• Added
  Adds intelligent chart parsing via HTML tables. (J#NAT-457)
• Added
  Adds PNG, JPEG, and BMP support to image export, with automatic format detection from the destination filename. (J#NAT-474)
• Added
  Adds single-flight coordination in ResourceDownloader to coalesce concurrent requests for the same model download. (J#NAT-472)
• Added
  Adds support for primitive, enum, and string-array properties in settings. (J#NAT-107)
• Added
  Adds Vision.ExtractStructured for AI-powered structured data extraction shaped by a caller-supplied JSON Schema.
• Changed
  Improves AI extraction robustness with fail-fast schema validation and culture-independent confidence scoring.
• Changed
  Improves AI model download reliability with integrity validation and automatic retry on failure. (J#NAT-419)
• Changed
  Improves form-field detection by removing overlapping predictions for cleaner, more consistent results. (J#NAT-471)
• Changed
  Improves heuristic PDF layout extraction.
• Changed
  Improves the Office-to-PDF speed tests. (J#MAMBO-2073)
• Removed
  Removes form-field inference from vision intelligent content recognition. (J#NAT-469)
• Fixed
  Fixes intermittent errors in the VlmEnhanced vision pipeline when processing documents concurrently. (J#NAVI-16)
• Fixed
  Fixes the GdPicture.NET.Toolkit NuGet package on .NET Framework 4.6.2 by including native runtimes as a package dependency. (J#GDPIC-1619)
• Fixed
  Fixes incorrect text appearing inside images in multipage document Markdown output. (#2654)
• Fixed
  Fixes loss of image alternate text descriptions when converting documents to PDF/UA. (J#PDFA-93)
• Fixed
  Fixes word alignment in document layout that caused paragraphs to absorb text from neighboring lines. (#2633)

Office

• Changed
  Improves DOCX line spacing rendering for documents using the legacy line spacing compatibility option. (J#MAMBO-2027)
• Changed
  Improves ODT-to-PDF page dimension rendering to match Microsoft Word. (J#MAMBO-2059)
• Changed
  Improves parsing empty spaces from ODT documents. (J#MAMBO-2075)
• Fixed
  Fixes an exception when loading a Word document that contains an empty custom XML part. (J#MAMBO-2067)
• Fixed
  Fixes an exception when rendering table cells where all text falls outside the cell boundary. (J#MAMBO-2065)
• Fixed
  Fixes missing spacing before a numbered paragraph when the preceding paragraph isn’t part of the list. (J#MAMBO-2062)
• Fixed
  Fixes ODT tables losing their header row. (J#MAMBO-2074)

PDF

• Added
  Adds support for converting between Instant JSON and GdPicture XMP annotations. (J#NAT-406)
• Added
  Adds support for exporting Instant JSON. (J#NAT-397)
• Changed
  Improves PDF-to-Markdown conversion performance.
• Changed
  Enables change tracking for Instant JSON exports by default. (J#NAT-394)
• Fixed
  Fixes empty embedded file handling when merging PDF documents. (J#GDPDF-1520)

Templating

• Added
  Adds PowerPoint (PPTX) templating with placeholders, loops, conditionals, tables, and images to the Office templater. (J#OFTAPI-20)

• Added
  Adds the AdaptiveOcr vision engine — a heuristic-first PDF extraction pipeline with automatic OCR fallback for image-based pages.
• Added
  Adds a born-digital text fast path to VLM pipelines and enables VLM-only text output when OCR is disabled. (#2607)
• Added
  Adds direct PDF processing support to the Vision API for improved document analysis.
• Added
  Adds support for creating searchable PDFs.
• Added
  Adds form detection support.
• Changed
  Improves licensing error information when Document.open fails because the input format requires a feature not enabled by the active license. (J#NAPY-4)
• Changed
  Improves vision data extraction fidelity.
• Fixed
  Fixes ARM64 Windows compatibility issues where the SDK failed with cryptic errors on ARM64 Windows machines. (J#NAPY-6)
• Fixed
  Fixes caption and footnote relationships being linked to incorrect element IDs. (#2615)
• Fixed
  Fixes Document.open to raise FileNotFoundException for missing files. (J#NAPY-1)
• Fixed
  Fixes a crash when running OCR on Linux. (J#NAT-458)
• Fixed
  Fixes the SDK version displayed in the license banner to match the installed wheel version. (J#NAPY-3)
• Changed
  Improves Python SDK conversion, rendering, and extraction capabilities by incorporating enhancements from the Nutrient .NET SDK 14.4.3(opens in a new tab) release line.

• Added
  Adds Markdown export format to Vision API content extraction, including options for semantic block formatting and header/footer inclusion. (J#NAT-347 and #2590)
• Added
  Adds a failure message when VlmEnhancedIcr isn’t configured correctly. (#2534)
• Changed
  Improves SdkSettings accessors with property-style syntax and refines the Python API reference documentation. (J#NAT-441)
• Changed
  Improves Vision API JSON export performance on large multipage documents. (#2499)
• Changed
  Improves Python SDK conversion, rendering, and extraction capabilities by incorporating enhancements from the Nutrient .NET SDK 14.4.2(opens in a new tab) release line.

• Added
  Adds compatibility with Python >=3.8.
• Changed
  Improves Python SDK conversion, rendering, and extraction capabilities by incorporating enhancements from the Nutrient .NET SDK 14.4.1(opens in a new tab) release line.
• Changed
  Improves handwriting vision capabilities by adding a new in-house model that better identifies handwritten regions in images.

• Changed
  Improves Python error handling and exception mapping for clearer, more specific runtime errors. (#2383)
• Changed
  Improves stability and reliability in generated Python bindings. (#2383)

• Fixed
  Fixes XLSX conversion and OCR memory usage issues as part of a coordinated .NET/Java/Python SDK release. (#2309)
• Changed
  Improves the Vision API for intelligent content recognition (ICR) and fixes issues in the vision language model (VLM) pipeline. (#2309)
• Changed
  Improves macOS distribution compatibility for package delivery. (#2309)

• Added
  Adds the first public Python SDK release, with complete feature parity with Nutrient Java SDK(opens in a new tab) (including Vision) and near parity with Nutrient .NET SDK(opens in a new tab). (#2211, #2221)
• Changed
  Positions the SDK for rapid prototyping and as an entry point for complex document manipulation workflows. (#2211, #2221)
• Changed
  Highlights new Python guides(opens in a new tab) and the newly published Python API reference(opens in a new tab) as part of the release. (#2211, #2221)