Released: Feb 28, 2023

Updates in 5.5

Features

• Security and performance updates of third-party components.
• Improved all language bindings and updates for the latest language versions including Microsoft .NET 6/7, PHP 8.1/8.2, Perl 5.34/5.36 and Ruby 3.1.
• Added support for arm64/x86_64 bindings on Apple macOS.

Released: Nov 19, 2021

Updates in 5.4 (maintenance release)

Features

• Added support for Microsoft Windows 11.
• Removed support for Microsoft Windows 7.

Released: May 8, 2020

Updates in 5.4

Features

• Improvements for platforms and language bindings.
• Updated third-party code to fix potential security vulnerabilities.
• More workarounds for malformed PDF and XMP metadata.
• Support for Alpine Linux.

Released: Sep 7, 2018

Updates in 5.3

Features

• Updated language bindings and platform support.
• pCOS interface 12 with support for identifying upcoming ISO standards.
• Added the pCOS command-line tool.
• Improved PDF optimization.

Fixes

• Numerous minor improvements and bug fixes in all areas.

Released: May 24, 2016

Updates in V5.1

Features

• Certificate security: encrypt a document against a set of recipients which are identified by their digital certificate.
• pCOS interface 11 for retrieving details of documents encrypted with certificate security.
• Updated language bindings and platform support.

Fixes

• Various bug fixes and improvements in the language bindings and kernel.