The ORC team is excited to announce the release of ORC v1.8.9.

• Released: 6 May 2025
• Source code: orc-1.8.9.tar.gz
• GPG Signature signed by Gang Wu (8A461DF4)
• Git tag: rel/release-1.8.9
• Maven Central: ORC 1.8.9
• SHA 256: 66343dc6832beda9…
• Fixed issues: ORC-1.8.9

The bug fixes:

• ORC-1866 Avoid zlib decompression infinite loop
• ORC-1879 Fix Heap Buffer Overflow in LZO Decompression

The test changes:

• ORC-1745 Remove Ubuntu 20.04 Support
• ORC-1776 Remove MacOS 12 from GitHub Action CI and docs
• ORC-1870 Remove Java 18 test pipeline from branch-1.8

The tasks:

• ORC-1411 Remove Ubuntu18.04 from docker-based tests
• ORC-1709 Upgrade GitHub Action setup-java to v4 and use built-in cache feature