Spire.PDF 12.4.0 optimizes memory consumption during PDF merging
2026-04-01 09:30:59
We're pleased to announce the release of Spire.PDF 12.4.0. This version optimizes memory consumption during PDF merging and also fixes several issues that occurred when processing PDF files. More details are listed below. Here is a list of changes made in this release Category ID Description Optimization SPIREPDF-7878 SPIREPDF-7958 Optimized memory consumption during PDF merging. Bug Fix SPIREPDF-7850 Fixed an issue where removing image watermarks from PDFs failed. Bug Fix SPIREPDF-7963 Fixed an issue where keywords were not correctly identified when using “TextFindParameter.WholeWord”. Bug Fix SPIREPDF-7980 Fixed an issue where content stream markers did not correctly include attribute placeholders when…
Spire.PDF 12.3.7 Enhances PDF to Word and Image Conversion
2026-03-18 02:28:37
We’re pleased to announce the release of Spire.PDF 12.3.7. This version enhances PDF to Word and image conversion. It also fixes multiple issues, including a problem where merging PDFs threw System.OutOfMemoryException and an issue where content formatting was incorrect when converting PDF to Word. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPDF-5696 SPIREPDF-6453 Fixed an issue where merging PDFs threw a System.OutOfMemoryException. Bug Fix SPIREPDF-7070 Fixed an issue where merged PDF documents could not be opened in web browsers. Bug Fix SPIREPDF-7938 Fixed an issue where checkmark…
Spire.PDF 12.2.14 supports creating Hatch Brushes with the PdfHatchStyle interface
2026-02-28 08:52:28
We're pleased to announce the release of Spire.PDF 12.2.14. This version supports creating Hatch Brushes using the PdfHatchStyle interface and configuring text color when replacing text in PDF pages. Meanwhile, the compression functionality for netstandard DLLs has been optimized, and some issues that occurred when converting PDF to images, adding images, or drawing fonts have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description Optimization SPIREPDF-7881 Optimizes the compression functionality for netstandard DLLs to improve the file compression ratio. New Feature SPIREPDF-7780 Added support for the PdfHatchStyle…
Spire.PDF 12.2.6 enhances the conversions from PDF to PDF/A and images
2026-02-12 08:06:23
We're pleased to announce the release of Spire.PDF 12.2.6. This mainly fixes several issues that occurred when converting PDF to images, XPS to PDF, and PDF to PDF/A-2B. More details are listed below. Here is a list of changes made in this release Category ID Description Bug Fix SPIREPDF-7871 Fixed the issue where the program hung when converting PDF to images. Bug Fix SPIREPDF-7882 Fixed the issue where the seal was rendered incorrectly when converting OFD to images. Bug Fix SPIREPDF-7915 Fixed the issue where the output was incorrect when converting XPS to PDF. Bug Fix SPIREPDF-7922 Fixed the issue…
Spire.PDF 12.1.6 supports getting and setting the PDF 2.0 version
2026-01-22 07:28:20
We're pleased to announce the release of Spire.PDF 12.1.6. This version supports getting and setting the PDF 2.0 version. Meanwhile, some issues that occurred when converting PDF to images or PDF/A, replacing text, loading XPS files and extracting text have also been successfully fixed. More details are listed below. Here is a list of changes made in this release Category ID Description New feature SPIREPDF-5365 Supports getting and setting the PDF 2.0 version. // Retrieve PdfFileInfo info = doc.FileInfo; PdfVersion version = info.Version; // Settings doc.FileInfo.Version = PdfVersion.Version2_0; Bug SPIREPDF-6905 Fixes the issue where text color was rendered incorrectly when…
Spire.PDF 12.1.0 enhances the conversion from PDF to Word
2026-01-09 08:13:07
We're pleased to announce the release of Spire.PDF 12.1.0. This version enhances the conversion from PDF to Word. Meanwhile, some issues that occurred when converting PDF to PDF/A-3B, converting HTML to PDF, and obtaining font properties of text box fields have also been successfully fixed. Furthermore, the efficiency of timestamp requests has been optimized. More details are listed below. Here is a list of changes made in this release Category ID Description Bug SPIREPDF-7867 Fixes the issue where rendering effects were incorrect when converting PDF to Word. Bug SPIREPDF-7097 Fixes the issue where content copied from the result document was…
Spire.PDF 11.12 improves .NET Standard web printing performance and fixes multiple issues
2025-12-25 07:25:32
We are pleased to announce the release of Spire.PDF 11.12. This version optimized the performance of slow web printing requests in the .NET Standard DLL. In addition, several issues related to file conversion and printing were fixed, further improving stability and reliability. Details are listed below. Here is a list of changes made in this release Category ID Description Optimization SPIREPDF-7855 Optimized slow web printing requests in the .NET Standard DLL. Bug SPIREPDF-7810 Fixed the issue where converting PDF files with annotations to images threw an “ArgumentException”. Bug SPIREPDF-7856 Fixed the issue where converting OFD files to PDF threw a…
Spire.PDF 11.12.0 supports both horizontal and vertical text alignment
2025-12-05 08:42:27
We're pleased to announce the release of Spire.PDF 11.12.0. This version introduces a new PdfFreeTextAnnotation.StringFormat property that supports both horizontal and vertical text alignment. It also includes rendering adjustments and multiple bug fixes related to PDF conversion, annotation processing, and multilingual text rendering. More details are listed below. Here is a list of changes made in this release Category ID Description Adjustment — Enhanced the underlying rendering logic for converting PDFs to images on the WPF platform, resulting in significantly improved output image quality. New feature SPIREPDF-7826 Deprecated the PdfFreeTextAnnotation.TextAlignment property and added the new PdfFreeTextAnnotation.StringFormat property to support horizontal…
