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new 1a50bc22371 Release note arrow go 18.6.0 (#780)
1a50bc22371 is described below
commit 1a50bc22371435fe212b0194dd3aca0eb397575d
Author: Matt Topol <[email protected]>
AuthorDate: Wed Apr 29 11:05:17 2026 -0400
Release note arrow go 18.6.0 (#780)
---
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+---
+layout: post
+title: "Apache Arrow Go 18.6.0 Release"
+date: "2026-04-28 00:00:00"
+author: pmc
+categories: [release]
+---
+<!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements. See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License. You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+
+The Apache Arrow team is pleased to announce the v18.6.0 release of Apache
Arrow Go.
+This minor release covers 46 commits from 16 distinct contributors.
+
+## Contributors
+```console
+$ git shortlog -sn v18.5.2..v18.6.0
+ 25 Matt Topol
+ 6 Sebastiaan van Stijn
+ 2 Dima Kuznetsov
+ 2 Willem Jan
+ 1 Alex
+ 1 Alex Normand
+ 1 Andrei Tserakhau
+ 1 Ben Bellick
+ 1 David Li
+ 1 Harrison Crosse
+ 1 Karen Li
+ 1 Lucas Valente
+ 1 junyan-ling
+ 1 starpact
+ 1 wjywbs
+ 1 wwarner-inf
+```
+
+## Highlights
+
+### Arrow
+
+#### Features
+
+* compute package now has Sorting functions
[#749](https://github.com/apache/arrow-go/pull/749)
+* Brand new `array/arreflect` package for round-trip reflection between Arrow
and Go types/structs [#771](https://github.com/apache/arrow-go/pull/771)
+
+#### Bug Fixes
+
+* Route QueryContext for flightsql through active transactions
[#692](https://github.com/apache/arrow-go/pull/692)
+* Correctly set nullbility for Avro list type
[#709](https://github.com/apache/arrow-go/pull/709)
+* Fix data race and memory leak in is_in kernel
[#712](https://github.com/apache/arrow-go/pull/712)
+* Fix cdata handling colons in values
[#761](https://github.com/apache/arrow-go/pull/761)
+
+#### Performance Improvements
+
+* Improved take kernel performance (20-30% gains for 99% of cases)
[#702](https://github.com/apache/arrow-go/pull/702)
+* Optimize the ARM64 NEON min/max assembly
[#748](https://github.com/apache/arrow-go/pull/748)
+
+### Parquet
+
+#### Bug Fixes
+
+* Fixed Decimal256 sign extension
[#711](https://github.com/apache/arrow-go/pull/711)
+* Strip the repetition_type from the root SchemaElement during serialization
[#723](https://github.com/apache/arrow-go/pull/723)
+* Normalized the element name in stored ARROW:schema
[#746](https://github.com/apache/arrow-go/pull/746)
+
+#### Performance Improvements
+
+* Avoid double bool bitmap conversion
[#707](https://github.com/apache/arrow-go/pull/707)
+* Improve zstd pool memory usage (14x less memory!)
[#717](https://github.com/apache/arrow-go/pull/717)
+* Optimized stats and bloom filters for boolean columns (76% less memory, more
than twice as fast) [#715](https://github.com/apache/arrow-go/pull/715)
+* Vectorized bool unpack (~4x throughput)
[#735](https://github.com/apache/arrow-go/pull/735),
[#731](https://github.com/apache/arrow-go/pull/731)
+* Eliminated per-value allocation in delta bit-pack decoder (>4x faster
decoding) [#730](https://github.com/apache/arrow-go/pull/730)
+
+
+### New Contributors
+* @junyan-ling made their first contribution in
[#689](https://github.com/apache/arrow-go/pull/689)
+* @wjywbs made their first contribution in
[#692](https://github.com/apache/arrow-go/pull/692)
+* @dimakuz made their first contribution in
[#711](https://github.com/apache/arrow-go/pull/711)
+* @starpact made their first contribution in
[#708](https://github.com/apache/arrow-go/pull/708)
+* @laskoviymishka made their first contribution in
[#712](https://github.com/apache/arrow-go/pull/712)
+* @hcrosse made their first contribution in
[#723](https://github.com/apache/arrow-go/pull/723)
+* @wwarner-inf made their first contribution in
[#726](https://github.com/apache/arrow-go/pull/726)
+* @alexandre-normand made their first contribution in
[#728](https://github.com/apache/arrow-go/pull/728)
+* @benbellick made their first contribution in
[#754](https://github.com/apache/arrow-go/pull/754)
+* @thaJeztah made their first contribution in
[#762](https://github.com/apache/arrow-go/pull/762)
+* @kli19 made their first contribution in
[#757](https://github.com/apache/arrow-go/pull/757)
+* @serramatutu made their first contribution in
[#758](https://github.com/apache/arrow-go/pull/758)
+
+**Full Changelog**:
https://github.com/apache/arrow-go/compare/v18.5.2...v18.6.0
