The new features of ORC 1.2:

- [ORC-54]({{site.jira}}/ORC-54) Evolve schemas based on field name rather than index
- [ORC-84]({{site.jira}}/ORC-84) Create a separate java tool module.
- [ORC-77]({{site.jira}}/ORC-77) and [ORC-81]({{site.jira}}/ORC-81) Implement LZO and LZ4 compression codecs.
- [ORC-92]({{site.jira}}/ORC-92) Add support for nested column id selection in C++
- [ORC-69]({{site.jira}}/ORC-69) Add batch option support in orc-scan tools.

Important fixes:

- [HIVE-14214]({{site.jira}}/HIVE-14214) ORC schema evolution and predicate push down do not work together.

