The ORC team is excited to announce the release of ORC v1.7.4.

• Released: 15 April 2022
• Source code: orc-1.7.4.tar.gz
• GPG Signature signed by William Hyun (DECDFA29)
• Git tag: rel/release-1.7.4
• Maven Central: ORC 1.7.4
• SHA 256: 0a70c5e877b1ff26…
• Fixed issues: ORC-1.7.4

The bug fixes:

• ORC-1120 Remove C++ library limitation about write version
• ORC-1121 Fix column conversion check bug which causes column filters don’t work
• ORC-1127 Add missing version of UNSTABLE-PRE-2.0
• ORC-1146 Float category missing check if the statistic sum is a finite value
• ORC-1147 Use isNaN instead of isFinite to determine the contain NaN values

The improvements:

• ORC-236 Support UNION type in Java Convert tool
• ORC-1116 Fix csv-import tool when exporting long bytes
• ORC-1123 Add estimationMemory method for writer

The test changes:

• ORC-1145 Add Java 18 to GitHub Action CI
• ORC-1118 Support Java 17 and ARM64 docker tests

The documentation changes:

• ORC-1117 Add Dask page at Using in Python section
• ORC-1119 Remove timestamp from ORC API docs