Foxit PDF SDK v11.0 Release Date: 31 July 2025

📦 Platform and Ecosystem

💻 Programming Languages and Platforms

• Go Language Support: Added Go language support for Linux x32/x64 and macOS x64 platforms
  � ️ Note: OCR and Compliance features are not supported in the current Go library.
• Python Enhancements:
  • Expanded Platform Support: Python library now supports Linux ARM architecture
  • Improved Version Compatibility: Built with ABI3 interface to ensure compatibility with Python 3.11 and future micro versions

🧩.NET Ecosystem

• Foxit.SDK.Dotnet NuGet Package: Added macOS Arm64 architecture support
• .NET Core: Now supports Linux ARM architecture
• Strong Name Support: Applied to PDF Print Manager for both .NET Framework and .NET Core

� Logging and Debugging

Enhanced Logging

• Stream-based Logging: New SetLogFile() method now supports stream callbacks
• Log Flushing: New FlushLog() method for immediate log write-out

🔐 Security and Compliance Enhancements

• Enhanced Thread Safety:

  • Document-level thread safety improvements
  • Library::Initialize() adds optional parameter bool enable_js_xfa_threadsafety = false for JavaScript and XFA thread safety

• New Sanitize() Method: Automatically detects and removes hidden or sensitive info

• RemoveHiddenInfo() Method: Allows selective cleanup of metadata, scripts, etc.

• EnableHandleTransparency() Method: Removes transparency during PDF/A conversion for compliance

🎨 Graphics and Rendering Enhancements

🧩 Graphics Objects

• New Object Types:
  • e_TypeInlines: Correct rendering of small inline images (e.g., stamps/logos)
  • e_TypeEmptyMarkedContent: Preserves tag structure of empty content

🖥️ Rendering Control

• SetScreenDPIScale() for high-DPI scaling of notes
• SetRenderLayer() to control which layers are rendered
• ClearClips() to reset clipping regions
• Transparency support in StartRenderBitmap()
• New ContentFlag enum values for highlight-only rendering

🎨 Color and Display

• SetForegroundColor() and SetForegroundColorMode() for text/path color control
• Support for WebP image format (ImageType.e_WEBP)
• ConvertToMono() supports conversion to 1-bit monochrome

📄 PDF Object Management

• CreateFromName() and CreateFromNameW() for named object creation
• PDFArray::AddReference() to insert reference entries
• CreateFromString() enhanced to accept length parameter

📄 Page and Content Management

📑 Page Operations

• PageBasicInfoArray: Represents lightweight info for all pages
• GetAllPageBasicInfo(): Bulk retrieval of page basics

📥 Extraction and Insertion

• New enums:
  • e_ExtractPagesOptionBookmark for StartExtractPages()
  • e_InsertDocOptionBookmark for InsertDocument()
• InsertDocument() now supports optional bookmark_title parameter

🔤 Font and Text Management

• Directional font sizing via TextState::font_vertical_size and font_horizontal_size
• Font(StreamCallback* stream) constructor now supports font stream input
• SplitTextsInRectangle() allows character-level separation of text in specified areas

✍️ Signature Management

• UnregisterSignatureCallback() to restore default SDK signature handler
• AddPagingSealSignature() now includes to_check_permission flag for permission validation

🧱 Layer Management

• LayerNode::GetAnnots() retrieves annotations per layer
• LayerTree::GetOCGsByPageIndex() supports page-based OCG access
• SetOCGStateAction class added for batch visibility control

📝 Forms and XFA

� Form Recognition

• StartRecognizeForm() overload allows control over tooltip generation

XML/XFA Enhancements

• GetXMLContent() provides access to internal XFA XML
• ExportData() supports stream-based output
• DocProviderCallback::SetFocus() adds re-layout parameter for layout change notification

� OCR and Conversion

🔡 OCR Enhancements

• OCRConvertTo() supports direct conversion to formats (DOCX, RTF, etc.)
• OCRCallback class and SetOCRCallback() method to monitor and terminate OCR jobs
• is_sequentially_process parameter added to switch between sequential/parallel modes

🌐 HTML to PDF

• to_hide_header and to_hide_footer control header/footer visibility
• to_deny_local_file_access enhances security during HTML conversion

🖼️ Image and Document Optimizer

🖼️ Image Optimizer

• JPEG 2000:
  • SetTileSize() for tile control
  • New e_ImageCompressQualityLossless option
• ZIP compression via e_ImageCompressZip
• More options for monochrome compression via MonoImageSettings

📉 Document Optimizer

• OptimizeScannedPDF() for scan-heavy file compression
• ComputeAuditSpace() calculates optimization potential
• Enhanced cleanup via new enums
• SetSubsetAllEmFonts() for unembedded font subsetting

📊 Table Generator

• GetNewPageBasicInfo() callback added to retrieve rendered table height on new pages

Bug Fixes

📄 PDF Rendering

• Fixed PDF/A1-b conversion verification failure caused by transparencies
• Fixed issue where flattening specific files causes blank pages
• Fixed issue where progressive rendering with step size 5000 causes missing content
• Fixed issue where certain files cannot be rendered
• Fixed issue where prepress preview shows incomplete text for specific documents

� OCR and Conversion

• Fixed issue where PDF OCR conversion takes too long without output
• Fixed issue where OCR results show ghosting effect
• Fixed issue where OCR with auxiliary effect interface produces poor results and Word conversion fails
• Fixed issue where OCR requires Chinese character set on Linux even when OCR language doesn't include Chinese
• Fixed issue where images are missing in HTML to PDF output file
• Fixed issue where getGraphicsObjectPosition returns 0 and transparency setting fails
• Fixed issue where specific HTML content cannot be converted to PDF
• Fixed issue where HTML2PDF output is incorrect when source HTML has fixed header and footer

🧩 Forms and Annotations

• Fixed crash issue on foxit::pdf::interform::Field::SetValue after processing 30 pages
• Fixed issue where created note location and displayed location are inconsistent for certain documents
• Fixed issue where generated typewriter annotations show red border after editing in editor
• Fixed issue where screen annotations show black border when BorderInfo is not set

🧷 Structure / Bookmark / Object Issues

• Fixed issue where value and unit of measure markups are not displayed after importing from XFDF created by Web SDK demo or Foxit PDF Editor
• Fixed issue where AddText with Arabic text doesn't match expected rendering effect
• Fixed issue where Type3 text object converted to image object shows blank content
• Fixed crash issue when filling special position forms in iOS
• Fixed issue where scanned documents with minimal path elements are incorrectly identified as non-scanned
• Fixed issue where PDFPage parsing returns empty for certain documents that work in WPS and Adobe

🗂️ Optimization

• Improved TextPage constructor performance to match version 9.0 speed
• Fixed issue where optimizer image compression progress rate only shows 0 or 100 percent

🔐 Security and Compliance

• Fixed issue where Chinese characters in certificate subject information appear garbled
• Fixed PDF/A1-b conversion verification failure caused by transparencies

⚙️ API and Integration

• Fixed issue where UpdateHeaderFooter API only updates one header/footer and removes others
• Fixed syntax errors in TypeScript declaration file of @foxitsoftware/foxit-pdf-sdk-node package
• Fixed issue where text search and replace reports "any unknown error occurs"
• Updated developer guide to include Conversion SDK version dependency for PDF to Office in GSDK 10.0 and 10.1
• Fixed issue where C# bookMark.Title ends with extra null character
• Fixed issue where concurrent calls to C++ pdfprint show parameter error

🌐 Cross-Platform Support

• Fixed crash issue when filling special position forms in iOS
• Fixed issue where StartImportPages imports blank pages
• Fixed issue where StartImportPages never finishes for certain documents