rangareddy commented on issue #16589:
URL: https://github.com/apache/hudi/issues/16589#issuecomment-5434687213

   This issue was reviewed as part of the JIRA-migrated backlog triage 
(HUDI-8115).
   
   **Findings: not done.**
   
   The legacy parquet file format classes are all still present on `master`:
   
   - 
`hudi-spark-datasource/hudi-spark-common/.../parquet/LegacyHoodieParquetFileFormat.scala`
   - 
`hudi-spark-datasource/hudi-spark3-common/.../Spark3LegacyHoodieParquetFileFormat.scala`
   - 
`hudi-spark-datasource/hudi-spark3.3.x/.../Spark33LegacyHoodieParquetFileFormat.scala`
   - `hudi-client/hudi-spark-client/.../HoodieParquetFileFormatHelper.scala`
   
   Context worth recording: Spark 3.3 support was dropped by #18786 and then 
**reintroduced** by #18956, so these per-version legacy classes cannot be 
retired simply by dropping older Spark lines. That may be why this has not 
progressed.
   


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