Features

• Added RenderZipFileAsPdf for rendering ZIP files as a PDF document.
• Added RenderDelay and BackgroundColor options to TextStamper.
• Updated Chrome 108.4.13 with many performance and security improvements.
• Updated various 3rd party NuGet packages to mitigate vulnerabilities.
• Improved consistency of IronPDF deployments across various Linux distros and .NET versions.
• Improved incremental memory management, stability, and performance in native code.

Fixes

• Fixed crash when using IronPDF as part of a Windows service - Value cannot be null. (Parameter 'path1').
• Fixed a 'failed to deploy IronPDF' error when using IronPDF with Azure Functions (see https://ironpdf.com/docs/questions/azure/).
• Fixed behavior when stamping HTML or images behind existing PDF content.
• Fixed missing custom logger interface (Logging.CustomLogger).
• Fixed missing AspxToPdf functionality (.NET 4 only).
• Fixed zoom being ignored even with FitToPaperModes properly set to None.

Features

• Added support for radio button form elements, generated from HTML 'input' elements with a 'type' attribute of 'radio'.
• Added support for RTF to PDF conversion.
• Added more ways to replace text.
• Updated ToMultiPageTiffImage() to only generate a single image file.
• Updated NuGet package layout to improve deployment on all platforms.
• Updated logic for applying margins to headers and footers (now only applying left and right margins by default).
• Added support for installation of IronPDF via zip file or installer executable.

Fixes

• Fixed text headers and footers not being visible.
• Fixed error when merging documents with certain bookmark configurations.
• Fixed error when calling ApplyWatermark().
• Fixed form fields sometimes not being editable after merging.
• Fixed form generation for html elements with styles marked '!important'.
• Fixed some TIFF images not loading when using ImageToPdf().

Fixes

• [Hotfix] Fix ImageStamper and TextStamper are missing.

Features

• Adds new methods for stamping HTML.
• Adds option for only applying the left and right margin to headers and footers.
  • Deprecated: ApplyMarginToHeaderAndFooter.
• Paper sizes are now accurate to 0.00001 millimeter.
• Improves logic when determining which font to use when replacing text (now checks for missing glyphs).
• Updates to CEF 105.3.39.

Fixes

• Form fields created with IronPDF no longer have a blue border.
• Fixed issue where replacing text would sometimes break the layout of a page.

Features

• Added support for form checkboxes when converting HTML to PDF.

Fixes

• Fixed license key not read from application or web config files.
• Fixed error when Microsoft Visual C++ dependencies are missing on Microsoft Windows.
• Fixed bug causing forms to be vertically offset by a few pixels.
• Fixed duplicate method name when using VB.NET.

Features

• Added support for compressing PDF documents.
• Added a parameter for specifying rendering options when using ImageToPdfConverter.
• Removed PdfPage.PageOrientation and added PdfPage.PageRotation (PDF page rotation is 0, 90, 180, or 270).
• Updated to latest Pdfium with various security fixes and performance improvements.

Fixes

• Fixed rendering of link elements whose href attribute specifies parameters (via '?').
• Fixed application of document CSS to headers and footers when using the LoadStylesAndCSSFromMainHtmlDocument option.
• Fixed bug regarding setting and retrieval of form field flags when using nested form fields.

Features

• Added support for Apple Silicon devices (macOS on ARM processor).
• Added support for Ubuntu 22.
• Added IronPdf.Installation.ChromeBrowserCachePath.
• Added PdfDocument.DrawBitmap() for drawing images to a PDF document.
• Improved support for Microsoft .NET 6.0 in certain environments.
• Improved HtmlStamp and Watermark positioning.

Fixes

• Reduced additional file size of PDF documents due to watermark for users without a IronPdf license.
• Fixed single page application and AJAX websites sometimes rendering incorrectly.
• Fixed "error while renaming form field" when merging PDF documents.
• Fixed load TIFF files sometimes throwing an exception.
• Fixed some attachments that were being corrupted.
• Fixed ImageToPdf not working with an image file name that contained a space.
• Fixed some FitToPaperModes that were not working correctly.
• Fixed some PDF files that could not be opened.
• Merging PDF documents now properly merges all form fields and their properties, including nested form fields.

Features

• Added official support for Microsoft .NET 6.0 projects in Azure Functions.
• Added support for merging annotations when merging PDF documents.
• Added automatic fitting of HTML content to a PDF page.
• TextArea HTML elements should now include their value when generating a PDF document.
• Improved performance when retrieving form field data or manipulating form fields.
• Added several read-only properties for form fields.
• Improved behavior when using multiple instances of IronPdf within an Internet Information Services (IIS) application pool.
• Improved behavior and clarity when encountering rare errors such as connectivity errors or timeouts.

Fixes

• Fixed bug preventing setting form field values and manipulating form fields using their full name.
• Fixed several freezes and performance issues on macOS.
• Fixed bugs when adding headers and footers to a Landscape-orientation document.

Features

• Added an expanded PDF Bookmark API.
• Added a new PDF Attachments API.
• Added a new Text Replacement API.
• Improved logic when queuing multiple renders after the user-specified browser limit has been reached.
• Improved deployment process.
• Improved some error messages.
• Updated to latest Pdfium release version which includes fixes when manipulating existing PDF documents.
• Updated to latest Google Chrome release version which includes fixes and security updates when rendering HTML to PDF.

Fixes

• Fixed a bug causing hanging with multiple renders on a limited resource environment (Docker, Kubernetes, etc.).
• Fixed a bug where PageOrientation will return the incorrect value.
• Fixed a bug causing an error while inserting pages.
• Fixed a bug where the output of PDF to Image had an invalid ratio.
• Fixed a bug where duplicate form field was not set correctly.
• Fixed a bug where Header/Footer placeholders were not working.
• Fixed a memory leak issue when apply a HtmlHeaderFooter.

Features

• Improved some documentation and error messages.

Fixes

• Fixed a bug where PDF could not print without metadata.
• Fixed a bug where cookies were missing after a redirect.
• Fixed a bug where PDF to image converter applied maxWidth and maxHeight incorrectly.
• Fixed a bug where merging PDFs caused form fields to become uneditable.
• Fixed a bug where ComboBoxField name would contain Parentheses.
• Fixed a bug where FormField could not cast to another Field class.
• Fixed a bug where Form fields with . in their name could not be not detected.
• Fixed a bug causing a System.ApplicationException during the rendering of PDFs with custom cookies.
• Deprecated GenerateUniqueDocumentIdentifiers.

Features

• Added the ability to handle ChromePdfRenderer exceptions without the need to restart.
• Improved documentation (IntelliSense).

Fixes

• Fixed bug where HtmlStamp positioning was not working.
• Fixed bug where AddBackground was incorrectly adding to foreground.
• Fixed bug where EnableCookies was not working as intended.
• Fixed bug causing an ArgumentNullException during the editing of a PDF document.

Features

• Added support for Microsoft .NET 6.
• Added a check for Microsoft Visual C++ redistributable when using IronPdf on Microsoft Windows.
• Improved logic for rendering HTML headers and footers on a PDF document.

Fixes

• Fixed user cookies not being applied automatically when rendering a URL.
• Fixed intermittent GDI+ exception when converting PDF document to images on Windows.
• Fixed bug causing intermittent hanging during initialization and deployment on some systems.
• Fixed bug causing miscalculation for PDF document’s Width, Height, PrintWidth, and PrintHeight properties.
• Fixed bug causing HtmlFooter to sometimes add an additional 5 mm margin below the footer.
• Fixed bug where DPI parameter did not increase resolution of images generated from a PDF document.
• Fixed bug where headers and footers CSS styles were not working.
• Fixed bug where bookmarks would disappear when setting pdf security settings.
• Fixed bug where AddPdfBackground caused an ArgumentNullException.
• Fixed bug where IronPdf can not run when publishing with some publish profiles.
• Fixed bug where DrawDividerLine does not work with HTML header and footer.
• Fixed bug where temp files are not cleaned up.

Features

• Added the ability to add and remove PDF attachments.
• Added new PDF customization capabilities.
• Improved speed and accuracy of PDF post-processing functions.
• Improved memory footprint of IronPDF.
• Improved support for a wider range of PDF document formats.
• Improved thread-safety when modifying a PDF document.
• Improved error text when unable to open a PDF document.
• Updated PDF-to-image conversion to start with a page index of 1.

Fixes

• Fixed bug where changing user password, owner password, or permissions would remove bookmarks.
• Fixed bug where merging PDF documents would not preserve bookmarks.
• Fixed several other bugs regarding setting or retrieving bookmarks.
• Fixed bug where PDF page PrintHeight and PrintWidth were being calculated incorrectly.
• Fixed bug causing crashes when generating images from a PDF document.
• Fixed bug where render delays were being incorrectly applied when generating headers and footers for a PDF document.
• Fixed memory leak when not using IDisposable pattern.
• Fixed issues with setting fonts in form fields.
• Fixed issue stamping behind existing document content (stamp in-front works).
• Fixed various bugs regarding text extraction and post-processing of PDF documents.

Features

• Improved compatibility with some Linux distributions.
• Improved overall stability.
• Improved multi-threading support.
• Updated to latest Pdfium version.

Fixes

• Fixed bug where PNG images didn't load correctly when using .NET6.
• Fixed bug where license stamps could not be clicked.

Features

• Improves Apple macOS stability.
• Improves overall stability and performance.
• New API - ImageToPdfConverter.PaperSize for setting PaperSize when using ImageToPdfConverter (default: A4).

Fixes

• Fixes bug where some images didn't load correctly.
• Fixes bug where a cookie was not working correctly with the ChromeRender.
• Fixes UNC path where images were not working correctly with RenderHtmlAsPdf.
• Fixes bug in Html style application for headers and footers.
• Fixes bug where multithreaded rendering would corrupt documents on some systems.

Features

• Improved logic when using custom temp folder.
• Improved shutdown/cleanup logic.

Fixes

• Fixed initialization timeouts on some systems.
• Fixed use of certain SSL certificates.