- Upgraded slf4j to 1.7.32
- Upgraded CXF to 3.5.0
- Upgraded Spring Boot Starter to 2.6.1
- Upgraded Spring core to 5.3.14
- Upgraded Spotbugs maven plugin to 4.5.3
- upgraded Saxon-HE to 10.6
- Upgraded Guava to 31.0
- Upgraded org.json:json to 20211205
- upgraded junit to 4.13.2
- Upgraded license-maven-plugin to 4.1
- Upgraded maven-pmd-plugin to 3.15.0 and PMD to 6.42.0
- Upgraded dependency-check-maven to 6.5.3
- Upgraded maven-compiler-plugin to 3.9.0
- Upgraded maven-source-plugin to 3.2.1
- Upgraded maven-javadoc-plugin to 3.3.1
- Upgraded maven-jar-plugin to 3.2.2
- Upgraded maven-gpg-plugin to 3.0.1

- Migrated to Java 11, JAXB 2.3.3 (Jakarta XML Binding), Apache CXF 3.4.1, Spring Boot Starter 2.3.5, Jakarta WS API 2.1.6
- Added junit under dependency management
- Replaced obsolete maven plugin 'findbugs' with 'spotbugs'
- Migrated OWASP dependency check maven plugin to 6.0.3
- Added unit test for unmarshalling/marshalling XACML document
- Updated license headers to 2021