Issues

Issues

• Renaming a column will drop logical annotations

  apache/parquet-java#3949 · opened on Nov 12, 2026

• Encrypted DataPageV2 pages leave repetition/definition levels in plaintext, breaking interop with Arrow

  apache/parquet-java#3946 · opened on Nov 11, 2026

• parquet rewrite --prune-columns keeps the pruned field in parquet.avro.schema, so Avro readers return nulls for a required field

  apache/parquet-java#3939 · opened on Nov 10, 2026
  2

• PME DataPageV2: parquet-java leaves rep/def levels in plaintext (Interop failure with Arrow)

  apache/parquet-java#3934 · opened on Nov 4, 2026
  6

• Avoid Comparing Equal Binary Statistics Values

  apache/parquet-java#3913 · opened on Oct 30, 2026

• StackOverflowError when ParquetFileReader skips many consecutive row groups

  apache/parquet-java#3889 · opened on Oct 27, 2026

• Add VECTOR logical type reference implementation

  apache/parquet-java#3877 · opened on Oct 22, 2026

• ByteBufferInputStream read flips the destination only for a single source buffer

  apache/parquet-java#3869 · opened on Oct 19, 2026

• Sample values in the ALP writer's parameter search

  apache/parquet-java#3863 · opened on Oct 17, 2026
  1

• Support the ALP encoding for FLOAT and DOUBLE columns

  apache/parquet-java#3862 · opened on Oct 17, 2026

• Release 1.18.2 with jackson 2.22.3 fix: parquet-jackson 1.18.1 bundles jackson 2.22.2 (GHSA-7hhh-6rmp-j9qf, GHSA-p6pp-m3f8-5c89, GHSA-cxp5-3px4-pw24, GHSA-wv8q-qhhj-9h54)

  apache/parquet-java#3857 · opened on Oct 14, 2026 · 1.18.2
  5

• Parquet's 1.18.x floats IEEE 754 total order is not backward compatible with existing Hive reader

  apache/parquet-java#3835 · opened on Oct 2, 2026
  1

• Per-column Hadoop configuration cannot distinguish dotted and nested column paths

  apache/parquet-java#3832 · opened on Sep 28, 2026

• Binary statistics truncation test ignores its configured truncation length

  apache/parquet-java#3820 · opened on Sep 26, 2026

• Support content-defined chunking (CDC) in the Parquet writer

  apache/parquet-java#3817 · opened on Sep 24, 2026

• Preserve physical leaf identity for duplicate primitive root paths

  apache/parquet-java#3795 · opened on Sep 16, 2026

• Decouple parquet-hadoop module from hadoop-mapreduce-client-core

  apache/parquet-java#3780 · opened on Sep 6, 2026

• Bulk skip in RunLengthBitPackingHybridDecoder / DictionaryValuesReader

  apache/parquet-java#3772 · opened on Sep 4, 2026

• Make PageReader AutoCloseable

  apache/parquet-java#3767 · opened on Sep 4, 2026

• Add batch/columnar write API for Arrow VectorSchemaRoot (Java parity with C++/Python)

  apache/parquet-java#3733 · opened on Aug 20, 2026

• [parquet-java] Intermittent out-of-bounds dictionary ID when reading dictionary-encoded Parquet pages

  apache/parquet-java#3715 · opened on Aug 10, 2026

• Page header uncompressed_page_size exceeds the actual decompressed payload by 2 bytes on ZSTD + dictionary-encoded ARRAY<ARRAY<BIGINT>> columns

  apache/parquet-java#3712 · opened on Aug 7, 2026
  6

• Reuse hadoop file status and footer in ParquetRecordReader

  apache/parquet-java#3697 · opened on Jul 30, 2026

• Cache ParsedVersion in FileMetaData to eliminate redundant created_by parsing

  apache/parquet-java#3696 · opened on Jul 29, 2026

• Remove duplicate LICENSE and NOTICE files from benchmark JARs

  apache/parquet-java#3695 · opened on Jul 29, 2026
  1