In this release, digital signature is supported. Form feature is improved. CJK font is supported in form filling and text stamping.
The features table at https://www.aspose.com/documentation/file-format-components/aspose.pdf.kit-for-.NET-and-java/features.html is updated. As you can see, many features in .NET version is now supported in Java version.
You can download it at
https://www.aspose.com/community/files/51/file-format-components/aspose.pdf.kit/category1198.aspx.