I have two patches still as patch-available, that have had +1s as well, but are waiting on pre-commit tests picking them up go in to 0.13:
https://issues.apache.org/jira/browse/HIVE-6507 (refactor of table property names from string constants to an enum in OrcFile) https://issues.apache.org/jira/browse/HIVE-6499 (fixes bug where calls like create table and drop table can fail if metastore-side authorization is used in conjunction with custom inputformat/outputformat/serdes that are not loadable from the metastore-side)