Release 422 (13 Jul 2023)

General

Add support for adding nested fields with an ADD COLUMN statement. ({issue}16248)
Improve performance of INSERT and CREATE TABLE AS ... SELECT queries. ({issue}18005)
Prevent queries from hanging when worker nodes fail and the task.retry-policy configuration property is set to TASK. ({issue}18175 )

Add support for validating JWT types with OAuth 2.0 authentication. ({issue}17640)
Fix error when the http-server.authentication.type configuration property is set to oauth2 or jwt and the principal-field property's value differs. ({issue}18210)

Add support for writing to columns with a timestamp(p) with time zone type. ({issue}17793)

Add support for renaming columns. ({issue}15821)
Improve performance of reading from tables with a large number of checkpoints. ({issue}17405)
Disallow using the vacuum procedure when the max writer version is above 5. ({issue}18095)

Add support for reading the timestamp with local time zone Hive type. ({issue}1240)
Add a native Avro file format writer. This can be disabled with the avro.native-writer.enabled configuration property or the avro_native_writer_enabled session property. ({issue}18064)
Fix query failure when the hive.recursive-directories configuration property is set to true and partition names contain non-alphanumeric characters. ({issue}18167)
Fix incorrect results when reading text and RCTEXT files with a value that contains the character that separates fields. ({issue}18215)
Fix incorrect results when reading concatenated GZIP compressed text files. ({issue}18223)
Fix incorrect results when reading large text and sequence files with a single header row. ({issue}18255)
Fix incorrect reporting of bytes read for compressed text files. ({issue}1828)

Add support for adding nested fields with an ADD COLUMN statement. ({issue}16248)
Add support for the register_table procedure to register Hadoop tables. ({issue}16363)
Change the default file format to Parquet. The iceberg.file-format catalog configuration property can be used to specify a different default file format. ({issue}18170)
Improve performance of reading row types from Parquet files. ({issue}17387)
Fix failure when writing to tables sorted on UUID or TIME types. ({issue}18136)

Prevent returning incorrect results by throwing an error when encountering unsupported types. Previously, the query would fall back to the legacy type mapping. ({issue}18209)