Released: Nov 10, 2025

2025.11.12 での更新項目

機能

• Added support for PDF/A-4, PDF/A-4E, and PDF/A-4F (ISO 19005-4:2020) compliance.
• Added support for signing PDFs with a Hardware Security Module (HSM) via USB token.
• Improved memory usage in the form generation flow (PDF-1599).

不具合の修正

• Fixed an issue where the header and footer were in an invalid location when applied to rotated landscape pages.
• Fixed an issue where converting certain PDFs to PDF/A 1a/1b failed validation due to an invalid CIDSet in subsetted fonts.
• Fixed an issue where IronPDF could not access a temporary file directory with Nordic characters.
• Fixed an issue where CreatePdfFormsFromHtml created incorrect form field names.
• Fixed a critical issue where ASP.NET Framework web applications would freeze completely when validating licenses.
• Fixed an issue where an "Unsupported platform" error was thrown in some Linux environments.