We at GroupDocs, are pleased to announce another monthly release of GroupDocs.Signature for .NET. This latest release 18.12 of the API comes up with a feature to add and search for Metadata Signatures in Images. Apart from that, a few fixes and improvements are also introduced in this version, therefore, we recommend you to download the new version of the API to evaluate the exciting new features and enhance your document e-signing experience....searchOptions); Improvements # Extend Form-Field signature name automatically...searching in PDF documents for Form-Fields that were setup without name...