GroupDocs.Annotation for .NET

We are proudly announcing another monthly release of GroupDocs.Annotation for .NET. This latest release 18.10 of the API comes up with the feature to add TextReplacement annotation in Slides document along with font family support. Moreover, few fixes are also introduced in this version, we therefore recommend you to download the new version of the API to enhance your document annotation experience.


  • TextReplacement annotation for Slides document
  • Font family support for TextReplacement annotation

Bug Fixes

  • Time format for Slides document
  • Converting Int into PDF.Color
  • Annotation point position for TextReplacement on Slides document
  • CleanUp on PDF document

Available Channels and Resources

Here are a few channels and resources for you to download, learn, try and get technical support on GroupDocs.Annotation:


We always appreciate and welcome to our valuable users to share their feedback to improve this product. We will be happy to know your thoughts and suggestions. Just create a forum thread and our dedicated support team will be there to respond.