Rilasci di PDFlib TET

Released: Jan 12, 2024

Aggiornamenti in 5.5


  • Security and performance updates of third-party components.
  • Enhanced all language bindings and updates for the latest language versions including Microsoft .NET 8, PHP 8.3, Perl 5.38 and Ruby 3.2.

Released: Dec 20, 2022

Aggiornamenti in 5.4


  • Security and performance updates of third-party components.
  • Enhanced all language bindings and updated to 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.
  • Improved TIKA and MediaWiki connectors.


  • Minor bug fixes and improvements.

Released: Nov 19, 2021

Aggiornamenti in 5.3 (maintenance release)


  • Added support for Microsoft Windows 11.

Released: May 4, 2021

Aggiornamenti in 5.3


  • Optimized PDF resource handling to improve performance for documents with excessive numbers of images, patterns or other resources.
  • Security and performance updates of all third-party components.
  • Harden processing of damaged and illegal PDF documents by testing the full Issue Tracker PDF corpus with tens of thousands of stressful PDF files.
  • Expanded platform and CPU support including macOS on ARM64 and Linux on ARM64.
  • Timeout can be specified to limit processing time for large or...

Released: Jul 25, 2019

Aggiornamenti in 5.2


  • Improved table detection with row and column span identification.
  • Mark Artifacts (irrelevant text and images) in TETML and the API.
  • Extract text and images from annotations and patterns.
  • Support for inline images and images in soft masks.
  • New language binding for .NET Core.
  • Enhancements in all language bindings and updates for the latest language versions.
  • Many bug fixes, improvements and workarounds for damaged PDF.
  • Security updates for third-party libraries.
  • Optionally retrieve...

Released: Jun 1, 2017

Aggiornamenti in 5.1


  • Numbered and unnumbered lists are identified and expressed in TETML.
  • Repair mode for damaged input documents with cross-reference streams.
  • Improved workarounds for non-conforming input documents.
  • Improved performance for disabled image, color, and vector engines as well as for documents without layers.
  • Reduced memory requirements.
  • pCOS interface updated to version 11.
  • Updated language bindings.

Released: Nov 9, 2015

Updates in this release

Updates in 5

  • Retrieve fill and stroke color of text.
  • Improved page and table layout recognition.
  • Support vertical font metrics for CJK text.
  • Significantly enhanced merging of fragmented images.
  • Extract image masks and soft masks.
  • Merge and convert JPEG 2000-compressed images.
  • Preserve named spot colors in extracted TIFF images.
  • Honor layers and clipping paths.
  • Check whether an area on the page is empty, e.g. before placing a stamp or barcode.
  • TET's XML output called TETML includes text color and...

Released: Mar 10, 2015

Updates in this release

Updates in 4.4

  • Language binding support for PHP 5.6, Perl 5.20, Python 3.4, Ruby 2.1 and 2.2.
  • Image extraction
    • Correct color output for certain CMYK JPEG images.
    • Enhanced merging of fragmented images.
    • Enhanced filtering of small images.
    • Reduced memory requirements.
  • Enhanced dropcap detection.
  • Workaround for malformed fonts and PDFs.
  • Improved results for text in right-to-left languages.

Released: Jun 10, 2014

Updates in this release

Updates in 4.3

  • Support for TIFF image resolution information.
  • Workarounds for various kinds of malformed PDFs.
  • Enhanced robustness against non-conforming input.
  • Improved word boundary detection for certain glyph spacings.

Released: Mar 12, 2012

Updates in this release

Updates in V4.1

  • Reduced memory requirements for very large documents
  • Performance improvements
  • Support for PDF documents encrypted with Acrobat X
  • Bug fixes and robustness improvements
  • Improved heuristics for processing malformed PDF input
  • Additional PDF details available in TETML output
  • PCOS interface 8 with new pseudo objects, e.g. for detecting transparency
  • Improved handling of encrypted file attachments