You are right; 20.9 is still mentioned in the MANIFEST.MF file of Aspose.Words for Java 20.10 (JDK1.6 only) package. We have logged this problem in our issue tracking system. Your ticket number is WORDSJAVA-2483. We will further look into the details of this problem and will keep you updated on the status of the linked issue. We apologize for any inconvenience.