GroupDocs.Annotation for .NET

We are pleased to introduce another monthly release of GroupDocs.Annotation for .NET 18.8. This latest release comes up with some new features like ability to apply text annotation without changing the color and reviewer rights management. Apart from that, few improvements and fixes are also introduced in this release, we therefore recommend you to download this latest release of the API to enhance your document annotation experience.


  • Ability to apply text annotations without changing the color
  • Reviewer rights management for operations with replies
  • Set text annotations transparency for Diagrams
  • Creating Arrow annotation with AnnotationInfo.Box in PDF document


  • Default TextField background color for PDF,Diagrams and Slides documents
  • Display border for TextField annotation in Images
  • Applying annotation properties for Diagrams
  • Change applying comments with replies

Bug Fixes

  • Manual date changing for Diagrams
  • Cleaning multiple different annotations for 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.