- Upgrade Spark to 2.4.4, Parquet to 1.10.1, Avro to 1.8.2 - Remove spark-avro from hudi-spark-bundle. Users need to provide --packages org.apache.spark:spark-avro:2.4.4 when running spark-shell or spark-submit - Replace com.databricks:spark-avro with org.apache.spark:spark-avro - Shade avro in hudi-hadoop-mr-bundle to make sure it does not conflict with hive's avro version.