Avro Versions Save

This release includes 272 Jira issues: https://issues.apache.org/jira/projects/AVRO/versions/12333394

• Deprecate Joda-Time in favor of Java8 JSR310 and setting it as default
• Remove support for Hadoop 1.x
• Move from Jackson 1.x to 2.9
• Add ZStandard Codec
• Lots of updates on the dependencies to fix CVE's
• Remove Jackson classes from public API
• Apache Avro is built by default with Java 8
• Apache Avro is compiled and tested with Java 11 to guarantee compatibility
• Apache Avro MapReduce is compiled and tested with Hadoop 3
• Apache Avro is now leaner, multiple dependencies were removed: guava, paranamer, commons-codec, and commons-logging
• Introduce JMH Performance Testing Framework
• Add Snappy support for C++ DataFile
• and many, many more!

This release includes 31 Jira issues: https://jira.apache.org/jira/issues/?jql=project%20%3D%20AVRO%20AND%20fixVersion%20%3D%201.9.1

• Most important, fix regression issues:
  • Java: decoding schema's: https://jira.apache.org/jira/browse/AVRO-2400
  • .Net: Performance issue: https://jira.apache.org/jira/browse/AVRO-2396
• Java: Make org.apache.avro.Schema serializable
• Java: Ability to add custom objects to Velocity templating
• Improved interoperability testing
• Remove possible NPE's
• Upgrade dependencies to latest to the latest version
• And many more :-)