Aspose.PDF for Python via .NET Releases
Released: Apr 16, 2026
Updates in V26.3
Features
- Lossless image stream recompression during PDF optimization. The OptimizationOptions.CompressAllContentStreams property now also compresses image XObject streams with the lossless FlateDecode filter when no other filter has already been applied to an image.
- Image compression encoding during PDF optimization. With this change, image recompression is now aligned with the selected encoding during optimization, making the results more predictable when resizing images, limiting resolution...
Released: Apr 16, 2026
Updates in V26.2
Features
- RTF to PDF Conversion - Added support for direct conversion of Rich Text Format (RTF) files to PDF format. RTF is a widely compatible, cross-platform file format developed by Microsoft to enable easy document sharing between different word processors. It supports basic text formatting such as fonts, colors, bold, and italics, as well as images, offering more styling options than plain text.
- Table Placement After Last Page Element - Tables can now be added precisely after the last...
Released: Feb 4, 2026
Updates in V26.1
Fixes
- Poor performance when adding text to document.
- Text appearing on different location for tiles with same dimensions.
- Re-sizing PDF pages results in blank PDF.
- API is not honoring line color in HTML to PDF conversion.
- NumberingStyle is not working for Heading object.
- JPEG2000 file to PDF conversion problem.
- XFA to Standard - Text overlaps each other.
- Unable to export and then import all annotations.
- PDF to HTML - The vertical text on the left side of PDF is missing.
- HTML to PDF - Word-wrap...
Released: Jan 2, 2026
Updates in V25.12
Features
- Added the ability to create a logical structure from HTML tags to meet accessibility requirements. This feature allows for creating tagged PDFs that are more accessible by defining reading order and marking up the content hierarchy. Set the HtmlLoadOptions.CreateLogicalStructure property to true to use this functionality.
- A new capability to extract unsigned content from a digitally signed PDF has been introduced. This enhancement is implemented by the UnsignedContentAbsorber class...
Released: Nov 12, 2025
Updates in V25.11
Features
- Configurable Highlight Colors in SideBySidePdfComparer - Introduced the ability to configure highlight colors for changes in the SideBySidePdfComparer output. This enhancement improves the readability of comparison results by allowing users to specify custom colors for additions and deletions. The SideBySideComparisonOptions class now includes DeleteColor and InsertColor properties, which can be used to set the highlight colors for deleted and inserted content, respectively.
- Enhanced...
Released: Oct 13, 2025
Updates in V25.10
Features
- Enhanced PDF Layer Visibility Control - Introduced enhanced control over PDF layer visibility. You can now programmatically set the initial visibility state of a layer and lock it to prevent users from changing its visibility in a PDF viewer. Additionally, a new Layer.DefaultState property has been added. This property allows you to set the default visibility of a layer to either visible or hidden using the DefaultState enum.
- Improved Dash Pattern Scaling - Aspose.PDF now correctly...
Released: Sep 25, 2025
Updates in V25.8
Features
- Added support for generating fully accessible Tagged Table of Contents (TOC) pages with proper navigation to corresponding sections, ensuring PDF/UA-1 compliance. This feature enables the creation of TOC pages with linked headers and nested sublists, thereby improving document accessibility.
- You can now change the document size by automatically scaling the content on its pages. The PdfFileEditor.ResizeContents API supports resizing the entire document or specific pages, with flexible...
Released: Sep 12, 2025
Updates in V25.9
Features
- Introduced support for the PDF/E-1 standard, a format specifically designed for engineering documentation. This enhancement allows developers to convert standard PDF files into PDF/E-1 compliant documents, ensuring they meet the specific requirements for technical and engineering workflows. This feature also includes the ability to validate the resulting files against the PDF/E-1 standard.
- To improve support for creating accessible documents, Aspose.PDF now provides a straightforward...
Released: Aug 29, 2025
Updates in V25.7
Features
- You can now encrypt a document so that only the owners of the certificates you specify during encryption will be able to open it. To encrypt the document, you will need the public certificates of all recipients. To open the document, the recipient must have the public certificate and the corresponding private key certificate.
- In some cases, you may need to replace a paragraph of text with a larger amount of content while preserving its original bounding rectangle. You can now define a...
Released: Aug 28, 2025
Updates in V25.6
Features
- Added support for .NET 9. At the same time, support for .NET 6 has ceased. Also, at the request of Windows Server 2019 users, the version of the provided .NET framework assembly has been downgraded from 4.8.1 to 4.8.
- The ability to get and set alternative text for images has been added for the XImage class. New GetAlternativeText and TrySetAlternativeText methods allow you to get and set the alternative text corresponding to an image.
- Information about the Aspose.PDF license is now...
