Require at least 4096 file descriptors to run Presto.
Support casting between map types.
Fix incorrect skipping of data in Parquet during predicate push-down.
Fix reading of Parquet maps and lists containing nulls.
Fix reading empty ORC file with hive.orc.use-column-names enabled.
Fix writing to S3 when the staging directory is a symlink to a directory.
Legacy authorization properties, such as hive.allow-drop-table, are now
only enforced when hive.security=none is set, which is the default
security system. Specifically, the sql-standard authorization system
does not enforce these settings.