lidavidm commented on code in PR #668:
URL: https://github.com/apache/arrow-site/pull/668#discussion_r2208956376
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_posts/2025-07-16-21.0.0-release.md:
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+---
+layout: post
+title: "Apache Arrow 21.0.0 Release"
+date: "2025-07-16 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 21.0.0 release. This release
+covers over 2 months of development work and includes [**1234 resolved
+issues**][1] on [**1234 distinct commits**][2] from [**1234 distinct
+contributors**][2]. See the [Install Page](https://arrow.apache.org/install/)
to
+learn how to get the libraries for your platform.
+
+The release notes below are not exhaustive and only expose selected highlights
+of the release. Many other bugfixes and improvements have been made: we refer
+you to the [complete changelog][3].
+
+## Community
+
+Since the 20.0.0 release, Alenka Frim has been invited to join the Project
+Management Committee (PMC).
+
+Thanks for your contributions and participation in the project!
+
+## Release Highlights
+
+## Columnar Format
+
+## Arrow Flight RPC Notes
+
Review Comment:
```suggestion
In C++ and Python, a new IPC reader option was added to force data buffers
to be aligned based on the data type, making it easier to work with systems
that expected alignment
([GH-32276](https://github.com/apache/arrow/issues/32276)). While this is not a
Flight-specific option, it tended to occur with Flight due to implementation
details. Also, C++ and Python are now consistent with other Flight
implementations in allowing the schema of a `FlightInfo` to be omitted
([GH-37677](https://github.com/apache/arrow/issues/37677)).
We have accepted a donation of an ODBC driver for Flight SQL from Dremio
([GH-46522](https://github.com/apache/arrow/issues/46522)). Note that the
driver is not usable in its current state and contributors are working on
implementing the rest of the driver.
```
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