20.0.0

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•Last updated Oct 12, 2026

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GH-939: Remove reflection for gRPC buffers
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#954 opened Jan 11, 2026 · Updated Oct 6, 2026
16
GH-734: Improve CompositeJdbcConsumer error handling and add unit tests
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#778 opened May 30, 2025 · Updated Jan 23, 2026
5
GH-1020: Update vcpkg revision
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#1023 opened Feb 16, 2026 · Updated Feb 17, 2026Draft
2
Update vcpkg revision for Linux JNI build
apache/arrow-java#1020 · opened on Feb 16, 2026 · 20.0.0
GH-794: Avro file read and write support
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#802 opened Jul 21, 2025 · Updated Feb 23, 2026
8
GH-979: Adds documentation for Flight SQL
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#980 opened Jan 24, 2026 · Updated Mar 10, 2026
4
Add documentation of Flight SQL
apache/arrow-java#979 · opened on Jan 24, 2026 · 20.0.0
1
Avro adapter - Read and write Avro container files
apache/arrow-java#794 · opened on Jul 7, 2025 · 20.0.0
5
Support per-batch custom_metadata on RecordBatch (IPC Message field)
apache/arrow-java#1035 · opened on Feb 24, 2026 · 20.0.0
1
[FlightRPC] Remove sketchy gRPC reflection code
Bug
apache/arrow-java#939 · opened on Dec 29, 2025 · 20.0.0
4
GH-926: Shade arrow-compression with Flight JDBC driver
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#937 opened Dec 24, 2025 · Updated Oct 1, 2026
14
JDBC driver does not support compressed IPC streams (ZSTD, LZ4) [FlightSQL]
apache/arrow-java#926 · opened on Dec 2, 2025 · 20.0.0
2
GH-838: [FlightSQL][JDBC] Fix timestamp unit conversion and sub-millisecond precision in PreparedStatement parameter binding
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#1081 opened Mar 21, 2026 · Updated Jul 21, 2026Draft
11
[JAVA] FlightSQL JDBC Driver PreparedStatement#setTimestamp() ignores connection timeStampPrecision
apache/arrow-java#838 · opened on Sep 5, 2025 · 20.0.0
1
GH-62: Optimize Flight SQL JDBC Statement execution paths
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#1090 opened Mar 24, 2026 · Updated Oct 2, 2026
6
GH-1134: add COLUMN_DEF support to JDBC getColumnns()
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#1139 opened May 6, 2026 · Updated May 11, 2026
10
GH-1109: Fix ComplexCopier for extension-type holder readers
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#1137 opened May 6, 2026 · Updated Aug 25, 2026
8
GH-1125: Read empty ListVector correctly using UnionListReader after IPC deser
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#1136 opened May 6, 2026 · Updated Aug 25, 2026
14
UnionListReader.setPosition throws IOOBE on a post-IPC empty List
apache/arrow-java#1125 · opened on Apr 21, 2026 · 20.0.0
Consume COLUMN_DEF in JDBC Flight Driver
apache/arrow-java#1134 · opened on May 4, 2026 · 20.0.0
[Vector][ExtensionType] ComplexCopier requires that extension types' holder readers implement getField
apache/arrow-java#1109 · opened on Apr 10, 2026 · 20.0.0
[IPC][ZSTD] Compressed buffer prefix can be written as 0 while ZSTD frame has non-zero content size
apache/arrow-java#1116 · opened on Apr 15, 2026 · 20.0.0
1
GH-1228: Arrow Format 1.5: Decimal32/Decimal64 support
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#1227 opened Jul 14, 2026 · Updated Sep 19, 2026
5
Support Format Spec 1.5 - Decimal32/64
apache/arrow-java#1228 · opened on Jul 14, 2026 · 20.0.0
GH-1230: fix out-of-bounds write in ClobConsumer buffer growth
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#1231 opened Jul 15, 2026 · Updated Oct 5, 2026
5

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20.0.0

GH-939: Remove reflection for gRPC buffers

GH-734: Improve CompositeJdbcConsumer error handling and add unit tests

GH-1020: Update vcpkg revision

Update vcpkg revision for Linux JNI build

GH-794: Avro file read and write support

GH-979: Adds documentation for Flight SQL

Add documentation of Flight SQL

Avro adapter - Read and write Avro container files

Support per-batch custom_metadata on RecordBatch (IPC Message field)

[FlightRPC] Remove sketchy gRPC reflection code

GH-926: Shade arrow-compression with Flight JDBC driver

JDBC driver does not support compressed IPC streams (ZSTD, LZ4) [FlightSQL]

GH-838: [FlightSQL][JDBC] Fix timestamp unit conversion and sub-millisecond precision in PreparedStatement parameter binding

[JAVA] FlightSQL JDBC Driver PreparedStatement#setTimestamp() ignores connection timeStampPrecision

GH-62: Optimize Flight SQL JDBC Statement execution paths

GH-1134: add COLUMN_DEF support to JDBC getColumnns()

GH-1109: Fix ComplexCopier for extension-type holder readers

GH-1125: Read empty ListVector correctly using UnionListReader after IPC deser

`UnionListReader.setPosition` throws IOOBE on a post-IPC empty List

Consume COLUMN_DEF in JDBC Flight Driver

[Vector][ExtensionType] ComplexCopier requires that extension types' holder readers implement getField

[IPC][ZSTD] Compressed buffer prefix can be written as 0 while ZSTD frame has non-zero content size

GH-1228: Arrow Format 1.5: Decimal32/Decimal64 support

Support Format Spec 1.5 - Decimal32/64

GH-1230: fix out-of-bounds write in ClobConsumer buffer growth

Issues