Issues · apache/parquet-java · GitHub

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Harden variant decoding

Type: enhancement

#3561

· steveloughran opened

on May 14, 2026

Properly close buffers

Type: enhancement

#3558

· Fokko opened

on May 13, 2026

Automate the Release Process

Type: enhancement

#3547

· RussellSpitzer opened

on May 6, 2026

Fix `LocalInputFile` `ByteBuffer` read methods to support direct and non-zero-position buffers

#3542

· arouel opened

on May 4, 2026

Apache Parquet Java Performance Improvements

#3530

· iemejia opened

on Apr 28, 2026

Variant getFieldByKey() on large objects silently fails if variant metadata is unsorted

#3529

· steveloughran opened

on Apr 27, 2026

Breaking change in Avro 1.12.1 affects parquet-avro users: logical types now deserialize to different Java types

#3515

· laymain opened

on Apr 21, 2026

Reduce allocation overhead of no-op `GeospatialStatistics.Builder`

Type: enhancement

#3507

· arouel opened

on Apr 19, 2026

Avoid per-write virtual dispatch in `DictionaryValuesWriter.shouldFallBack()` by caching the size-exceeded check

Type: enhancement

#3501

· arouel opened

on Apr 19, 2026

`Binary.copy()` does not materialize direct `ByteBuffer`-backed values to heap, causing use-after-free

#3489

· arouel opened

on Apr 18, 2026

`ParquetFileReader` does not close previous `PageReadStore` on `readNextRowGroup()` or on `close()`

#3487

· arouel opened

on Apr 18, 2026

`RequiresFallback.isCompressionSatisfying` is too aggressive with current default page size

Type: enhancement

#3479

· etseidl opened

on Apr 14, 2026