Released: Sep 3, 2025

2025.9.1.4 中的更新

特性

• Added a new IgnorePageRotation flag to DrawBitmap for ignoring the page's rotation.
• Reduced PDF file size when applying the same Stamp, Background/Foreground, Header/Footer to multiple pages.

修补程序

• Fixed VeraPDF validation failure for PDF/UA compliance related to link annotation missing the appropriate StructParent.
• Fixed an issue where VeraPDF PDF/3A validation fails when fonts lack both /ToUnicode and /Encoding.
• Fixed a major memory leak issue when rendering HTML to PDF.
• Fixed memory...

Released: Aug 14, 2025

2025.8.1.8 中的更新

特性

• Added a new VerifiedSignature.SignerName property for accessing the digital signer name.
• "Enhancements" PDF with form fields is now automatically flattened when converted to images, ensuring form values appear by default.

修补程序

• Fixed an issue where saving a PDF as PDF/UA after saving it as PDF/A would throw an AccessViolationException in certain cases.
• Fixed an issue where PDF/UA conversion threw an AccessViolationException when converting certain PDF pages to PDF/UA.
• Fixed an issue where long...

Released: Jun 5, 2025

2025.6.1.5 中的更新

特性

• Added new ToMultiPageTiffBytes() and ToMultiPageTiffStream() APIs.
• Optimized internal ToMultiPageTiff() conversion.
• Documentation Update: ApplyStamp now recommends using Flatten when stamps layer beneath other elements.

修补程序

• Fixed issue where bookmark destination targets were not updated when merging documents.
• Fixed issue where text lines and text chunks threw a system access violation exception.
• Fixed issue where form fields were missing when merging, copying, or inserting PDFs. Now all...

Released: May 15, 2025

2025.5.1.7 中的更新

特性

• Added support for Linux ARM.
• Added new API for retrieving individual glyph information and bounding boxes for each character of a text object (see TextObject.GetGlyphInfo()).
• Improved signature removal to ensure the document is editable after signatures have been removed (see PdfDocument.RemoveSignatures()).
• Improved macOS error handling such that uncaught JavaScript errors will gracefully cancel PDF render, to avoid crashes.
• Improved reliability of font un-embedding.
• Improved internal...

Released: Apr 10, 2025

2025.4.1.4 中的更新

特性

• Added new ToBitmapHighQuality API.
• Enhanced PDF to Image memory consumption.
• Updated NaturalLanguages parameter of ConvertToPdfUA to be optional.
• Added missing documentation for some classes.

修补程序

• Fixed issue where ImageFormField did not function correctly with IronPdfEngine (gRPC).
• Fixed issue where forms were not visible when printing.

Released: Mar 6, 2025

2025.3.1.6 中的更新

特性

• Changed the default print DPI to 300.
• Changed the default value of ChromeBrowserLimit to Environment.ProcessorCount, which enhances stability for cloud-based deployments.

修补程序

• Fixed an issue where incorrect PDF page numbers were generated from HtmlHeaderFooter.
• Fixed an issue where setting a metadata key containing brackets threw an exception.
• Fixed an issue where print margins were not properly aligned in some PDFs.
• Fixed an issue where enabling single-process mode in UpdatedChrome caused...

Released: Feb 6, 2025

2025.2.1.8 中的更新

特性

• Now allows editing of custom XMP metadata in PDF/A documents for EmbedFileToPdfA.
• Improved ExtractAllText VisualOrder output.
• Improved behavior for adding new bookmarks and merging documents which contain bookmarks.

修补程序

• Fixed an issue where the annotation icon, color, and location were not updating.
• Fixed an issue where annotation coordinate values were always zero.
• Fixed an issue where some form fields could not be found using FindFormField.
• Fixed an issue where some checkbox forms acted as...

Released: Jan 16, 2025

2025.1.1.1 中的更新

特性

• Added new RenderHtmlAsPdfUA API.
• Added new RenderZipFileAsPdf API overloads.
• Improved overall PDF form operation performance.
• Improved HTML Form Generation performance.
• Improved PDF text extraction quality.

修补程序

• Fixed an issue where the RenderRazorViewToPdf() method caused compile errors after upgrading IronPdf from version 2024.8.3 to higher versions.
• Fixed an issue where the ReplaceTextOnPage(), ReplaceTextOnPages(), ReplaceTextOnAllPages(), and DrawText() methods incorrectly rendered the...

Released: Dec 23, 2024

2024.12.1.9 中的更新

特性

• Updated IronSoftware.System.Drawing to 2024.12.3.
• Updated IronSoftware.Common to 2024.11.2.
• Improved performance for retrieving cell ranges (5-10x faster for medium to large files).
• Improved formula evaluation by caching the evaluated results.
• Added functionality for converting Workbook and Worksheet in different formats as streams.
• Added a new API for embedding files during PDF/A conversion.
• Added optional FontName and CustomFontSize parameters to the ReplaceText API.

修补程序

• Fixed a null...

Released: Nov 22, 2024

2024.11.1.4 中的更新

特性

• Added a new API for embedding files during PDF/A conversion.
• Added optional parameters FontName and CustomFontSize to the ReplaceText API.
• Now allows custom fonts to be used with the DrawText API.
• Improved memory usage and performance.
• Improved ApplyMultipleStampsAsync speed.
• Enhanced Unicode text support.

修补程序

• Fixed an issue where ReplaceText causes line breaks vertically.
• Fixed an issue where Resize(), Extend(), and Transform() methods were inaccessible.
• Fixed stamp positioning issues...