Released: May 27, 2026

Updates in 2026.5.1

Features

• Added LinkAnnotation class for creating clickable links within PDF documents that navigate to specific pages and positions, with full BookmarkDestinations support.
• Added full PDF linearization support: instance methods linearizePdfToBytes(), linearizePdfToStream(), saveAsLinearized(Path), along with static byte[]/InputStream overloads and isLinearized.
• Added automatic PDF bookmark generation from HTML headings (h1-h6) during rendering, including correct hierarchy, page mapping, and...

Released: Mar 31, 2026

Updates in 2026.4.1

Features

• Improved PDF rendering performance by reducing internal render calls and reusing browser tabs to minimize startup overhead.
• Added compressAndSaveAs() method to compress a PDF and save it directly to a file path.
• Deprecated compressImages() in favor of compressAndSaveAs(), compressPdfToBytes(), and compressPdfToStream().

Fixes

• Fixed memory leak in replaceText() where repeated calls caused increasing memory growth (93–97% reduction).
• Fixed buffer over-read in metadata retrieval that...

Released: Dec 26, 2025

Updates in 2025.12.2

Features

• Added support for PDF/UA-2 (ISO 14289-2:2024) compliance.
• Enabled local HTML file to PDF conversion.
• Updated IronPdfEngine to 2025.12.2.

Fixes

• Fixed issue where ApplyMultipleStamps cut off the stamp content on some paper sizes.

Released: Nov 20, 2025

Updates in 2025.11.12

Features

• Updated IronPdfEngine to 2025.11.12.

Released: Oct 10, 2025

Updates in 2025.10.8

Features

• Updated IronPdfEngine to 2025.10.8.

Released: Sep 3, 2025

Updates in 2025.9.1

Features

• Updated the IronPdfEngine to 2025.9.3.

Released: Aug 15, 2025

Updates in 2025.8.8

Features

• Updated IronPdfEngine to 2025.8.8.

Released: Jul 31, 2025

Updates in 2025.7.17

Features

• Updated IronPdfEngine to 2025.7.17.

Released: Jun 4, 2025

Updates in 2025.6.5

Features

• Updated the IronPdfEngine to 2025.6.5.

Fixes

• Fixed issue where the converted PDF/A document is not valid.

Released: May 10, 2025

Updates in 2025.5.6

Features

• Updated IronPdfEngine to 2025.5.6.