
Panagiotis Garefalakis contributed to the apache/incubator-gluten repository by updating the CI test infrastructure to support Spark 3.5 compatibility for Velox Enhanced tests. He achieved this by modifying the GitHub Actions workflow, ensuring that the SPARK_HOME environment variable pointed to the Spark 3.5 installation directory. This change aligned the test environment with the latest supported Spark runtime, reducing compatibility drift and streamlining validation for new releases. His work focused on CI/CD and configuration management, utilizing YAML to define and manage workflow updates. The depth of the contribution lies in its targeted scope and its impact on reliable, version-aligned testing.
Month 2025-10 – Apache incubator Gluten: Delivered Spark 3.5 compatibility for Velox Enhanced tests through CI infrastructure updates. Updated GitHub Actions workflow to set SPARK_HOME to the Spark 3.5 installation directory, enabling reliable, end-to-end testing against Spark 3.5. This work aligns test environments with supported runtime versions, reducing compatibility drift and accelerating validation for new releases. Commits and traceability: implemented in 1e9350478e30307d7619cd0ad66b18a5747f88fc with message "[CI] Ensure Velox Enhanced tests use Spark 3.5 home (#10897)".
Month 2025-10 – Apache incubator Gluten: Delivered Spark 3.5 compatibility for Velox Enhanced tests through CI infrastructure updates. Updated GitHub Actions workflow to set SPARK_HOME to the Spark 3.5 installation directory, enabling reliable, end-to-end testing against Spark 3.5. This work aligns test environments with supported runtime versions, reducing compatibility drift and accelerating validation for new releases. Commits and traceability: implemented in 1e9350478e30307d7619cd0ad66b18a5747f88fc with message "[CI] Ensure Velox Enhanced tests use Spark 3.5 home (#10897)".

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