Note This page contains release notes for GroupDocs.Signature for Java 19.7 Major Features There are few new features, improvements and bug fixes in this regular release. Most features are related to support of Djvu format for most service methods, implementation of serialization and encryption of custom data objects into Metadata signatures with ability to extract them back and specify custom serialization and data encryption. Also this release contains some internal security and licensing improvements....features are related to support of djvu format for most service methods...SIGNATURENET-2014 Implement support of .djvu file format for verification...