Iron Suite for .NET 版本发布

Iron Software文档与内容套件.NETJavaJavaScriptWindows DLL

查看各个版本中的新增内容，包括功能、增强和已解决问题的详细信息。

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Iron Suite for .NET - Oct 20262026年10月5日
IronOCR for .NET 2026.8.12026年8月3日
功能
  • Updated internal dependencies.
修复
  • Fixed stability issues when OCR-ing large volumes of PDFs in parallel, and added controls to limit OCR memory usage.
  • Fixed loading of large TIFF files and improved error messages for unsupported TIFF images.
IronPDF for .NET 2026.8.12026年8月3日
功能
  • Added AES-128 and AES-256 PDF encryption support through PdfSecuritySettings.EncryptionType.
  • Added support for RFC 3161 trusted timestamps when signing PDFs with HSM device.
  • Updated internal dependencies.
修复
  • Fixed an issue where merging or inserting PDFs with nested bookmarks could flatten the bookmark hierarchy.
  • Fixed startup failures on Azure App Service under read-only deployments and improved deployment error messages with clearer guidance for native engine setup.
  • Fixed an issue where embedded file names could be ignored when converting PDFs to PDF/A.
  • Fixed an issue where converting PDFs to PDF/UA could shift page content for documents with multiple content streams.
  • Fixed initialization failures on minimal Linux containers and added an option to skip deployment commands.
  • Fixed an issue where landscape rendering with responsive CSS or fit-to-page scaling could leave empty areas at the edge of the page.
  • Fixed HSM (PKCS#11) PDF signing so signed documents validate correctly in Adobe Reader.
  • Fixed an issue where replacing text with a standard PDF font could use the wrong font.
  • Fixed a crash during PDF/UA conversion for certain PDFs and improved PDF/UA-1 compliance.
  • Fixed an issue where replacing embedded subset fonts with standard fonts could produce garbled text.
  • Fixed an issue where auto-sized HTML headers and footers could overlap page content on repeated renders.
  • Fixed digital signature validation for PDFs with nested AcroForm signature fields or trailing padding bytes.
IronWord for .NET 2026.8.12026年8月3日
功能
  • Updated internal dependencies.
修复
  • Fixed an issue where certain DOCX files could fail to load or save due to unsupported document elements.
IronXL for .NET 2026.8.12026年7月31日
功能
  • Updated internal dependencies.
修复
  • Fixed AutoSizeColumn incorrectly sizing columns containing DateTime values with localized built-in Excel date formats, preventing clipped (####) date displays.
  • Fixed =-prefixed text being parsed as formulas in Text-formatted cells or when prefixed with ', matching Excel behavior.
IronPDF for Java 2026.5.12026年5月27日
功能
  • Added LinkAnnotation class for creating clickable links within PDF documents that navigate to specific pages and positions, with full BookmarkDestinations support.
  • Added full PDF linearization support: instance methods linearizePdfToBytes(), linearizePdfToStream(), saveAsLinearized(Path), along with static byte[]/InputStream overloads and isLinearized.
  • Added automatic PDF bookmark generation from HTML headings (h1-h6) during rendering, including correct hierarchy, page mapping, and optional filtering by heading level or CSS selector.
  • Updated internal dependencies.
修复
  • Fixed an issue where HTML headers and footers did not scale correctly when using UseScaledRendering() with non-default zoom levels.
  • Fixed intermittent SEGFAULT during process teardown and improved tab pool stability to prevent concurrent rendering issues and log spam.
IronPDF for Node.js 2026.5.12026年5月27日
功能
  • Added LinkAnnotation class for creating clickable links within PDF documents that navigate to specific pages and positions, with full BookmarkDestinations support.
  • Added full PDF linearization support: linearizePdfToBytes, linearizePdfToStream, saveAsLinearized, static linearizePdfBytesToBytes / saveAsLinearizedFromBytes, and isLinearized.
  • Added automatic PDF bookmark generation from HTML headings (h1-h6) during rendering, including correct hierarchy, page mapping, and optional filtering by heading level or CSS selector.
  • Updated internal dependencies.
修复
  • Fixed intermittent SEGFAULT during process teardown and improved tab pool stability to prevent concurrent rendering issues and log spam.
IronOCR for .NET 2026.6.12026年5月26日
功能
  • Improved searchable PDF OCR alignment for numeric content with refined digit width compensation and font sizing accuracy.
  • Updated internal dependencies.
IronPDF for .NET 2026.6.12026年5月26日
功能
  • Added AdvancedCompressionOptions for fine-grained PDF compression control, including image DPI downsampling, JPEG quality settings, structure-tree removal, and customizable optimization flags.
  • Added PdfDocument.SetFormFont, SetFormFontFromFile, and DisableFormFontFallback APIs to control or suppress automatic form-field font embedding.
  • Added ECDSA PDF signature support with correct SHA/OID mappings for reliable verification and signing of EC-signed PDFs.
  • Updated internal dependencies.
修复
  • Fixed invisible or missing headers and footers on scanner-generated and browser-printed PDFs.
  • Fixed an issue where CopyPages could drop form fields with shared widget annotations across multiple pages, causing visible fields to disappear in copied documents.
  • Fixed incorrect Table of Contents page numbers for long headings that wrapped across multiple rendered lines.
  • Fixed excessive PDF size growth when combining static content headers/footers with dynamic content in large documents.
  • Fixed IronPdfEngine queue deadlocks under concurrent load.
IronPDF for Python 2026.6.0.12026年5月26日
功能
  • Added AdvancedCompressionOptions for fine-grained PDF compression control, including image DPI downsampling, JPEG quality settings, structure-tree removal, and customizable optimization flags.
  • Added PdfDocument.SetFormFont, SetFormFontFromFile, and DisableFormFontFallback APIs to control or suppress automatic form-field font embedding.
  • Added ECDSA PDF signature support with correct SHA/OID mappings for reliable verification and signing of EC-signed PDFs.
  • Updated internal dependencies.
修复
  • Fixed invisible or missing headers and footers on scanner-generated and browser-printed PDFs.
  • Fixed an issue where CopyPages could drop form fields with shared widget annotations across multiple pages, causing visible fields to disappear in copied documents.
  • Fixed incorrect Table of Contents page numbers for long headings that wrapped across multiple rendered lines.
  • Fixed excessive PDF size growth when combining static content headers/footers with dynamic content in large documents.
  • Fixed IronPdfEngine queue deadlocks under concurrent load.
IronPrint for .NET 2026.6.12026年5月26日
功能
  • Updated internal dependencies.
修复
  • Fixed memory leak when calling Printer.Print / PrintAsync repeatedly.
IronWord for .NET 2026.6.12026年5月26日
功能
  • Added Mail Merge support for discovering and populating merge fields from dictionaries, DataTables, and DataSets, including repeating regions via TableStart/TableEnd markers.
  • Updated internal dependencies.
IronXL for .NET 2026.6.12026年5月25日
功能
  • Added support for 40+ modern Excel _xlfn.* functions, improving EvaluateAll() compatibility with Microsoft 365 workbooks.
  • Updated internal dependencies.
IronXL for Python via .NET 2026.6.0.1主版本2026年5月25日
功能
  • Added support for 40+ modern Excel _xlfn.* functions, improving EvaluateAll() compatibility with Microsoft 365 workbooks.
  • Updated internal dependencies.
修复
  • Known Issues:
    • Range.Value = <python int> stores an empty string instead of the integer (formulas reading the cell resolve to 0). Use IntValue or a Python float as a workaround; .NET is unaffected.
Iron Suite for .NET Update2026年4月1日
IronPDF for Python 2026.4.0.1主版本2026年3月31日
功能
  • Improved PDF rendering performance by reducing internal render calls and reusing browser tabs to minimize startup overhead.
  • Improved PDF/UA structure tree tagging for forms with mixed input types, hidden elements, deeply nested labels, and annotation ordering to ensure correct widget-to-structure element association.
  • Improved IronPdfEngine Docker image security by removing unnecessary packages, resolving 4 high-severity CVEs and over 1,400 other security scan findings.
  • Improved IronPdfEngine Docker container to correctly forward runtime arguments like port, license_key, and chrome_browser_limit.
  • Reduced IronPdfEngine Docker image size by 60% (from 2.89 GB to 1.14 GB).
修复
  • Fixed memory leak in ReplaceTextOnPages, ReplaceUnicodeText, RedactText, and RedactRegions where repeated calls caused increasing memory growth (93-97% reduction).
  • Fixed buffer over-read in GetMetadata that could cause crashes or data corruption.
  • Fixed an issue where PDF/UA conversion removed CSS overflow:hidden clipping, ensuring clipped images render identically to standard PDF output.
  • Fixed an issue where SignatureName was always empty when verifying signatures created by external signers such as Adobe Reader.
  • Fixed missing header/footer images in DOCX to PDF conversion (DrawingML and VML).
Iron Suite for .NET Update2026年3月5日
Iron Suite for .NET Update2026年1月9日