これは新しい CloudFormation テンプレートリファレンスガイドです。ブックマークとリンクを更新してください。CloudFormation の開始方法については、『[AWS CloudFormation ユーザーガイド](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html)』を参照してください。

# CloudFormation ヘルパースクリプトのリリース履歴
<a name="releasehistory-aws-cfn-bootstrap"></a>

 次の表は、CloudFormation ヘルパースクリプトを含む、`aws-cfn-bootstrap` パッケージの変更点を示しています。

また、以下のリンクでヘルパースクリプトの最新バージョンをダウンロードすることもできます。これらのリンクにより、以下の表に示すヘルパースクリプトの最新バージョンにリダイレクトされます。
+  [TAR.GZ](https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.tar.gz) 
+  [ZIP](https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.zip) 
+  [EXE (32 ビット Windows)](https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-latest.exe) 
+  [EXE (64 ビット Windows)](https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-py3-win64-latest.exe) 

**注記**  
 ヘルパースクリプトのバージョン 2.0-1 以上は、Python 3.4 以上をサポートしています。以前のバージョンの Python をサポートするヘルパースクリプトが必要である場合は、「[CloudFormation ヘルパースクリプト 1.4 のリリース履歴](#releasehistory-aws-cfn-bootstrap-v1)」を参照してください。


| バージョン | リリース日 | 説明の変更 | パッケージのダウンロード | 
| --- | --- | --- | --- | 
|  2.0-38 (最新、推奨)  |  12/4/2025  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-36  |  9/2/2025  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-34  |  4/9/2025  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-33  |  2/27/2025  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-32  |  1/8/2025  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-31  |  10/9/2024  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-29  |  2/8/2024  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-28  |  10/12/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-27  |  09/12/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-26  |  08/9/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-25  |  05/2/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-24  |  02/20/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-22  |  02/6/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-21  |  01/9/2023  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-19  |  11/8/2022  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-18  |  10/31/2022  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-17  |  10/24/2022  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-16   | 08/19/2022 |   Windows のコマンドをログ記録する際に一時ファイルがロックされる問題に対応。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-15   | 07/28/2022 |  Windows の一部のコマンドが失敗する原因となるバグを修正。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
| 2.0-14 | 07/20/2022 |  Python 3.9.13 バージョンを使用するための Windows インストーラを更新。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-12   |  6/13/2022  |  KB5010359 セキュリティパッチによって引き起こされた Windows AMI の問題のバグを修正。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-10  |  1/11/2022  |   `Zypper` パッケージマネージャーと `systemd` サービス管理ツールのサポートが追加されました。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-6  |  2021/3/17  |  バグ修正: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-5  |  2021 年 3 月 5 日  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-4  |  2021 年 2 月 3 日  |  Visual Studio C\$1\$1 2010 再配布可能パッケージを更新。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-3  |  2021 年 1 月 8 日  |   新しい Visual Studio C\$1\$1  再配布可能パッケージが既にインストールされている場合でも Windows インストーラの実行は成功します。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-2  |  9/14/2020  |   `cfn-hup` のデフォルトおよびユーザー指定の間隔の精度をプラスまたはマイナス 30 秒に改善。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  2.0-1  |  2020 年 6 月 24 日  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 

## CloudFormation ヘルパースクリプト 1.4 のリリース履歴
<a name="releasehistory-aws-cfn-bootstrap-v1"></a>

以下の表では、Python バージョン 2.7 および 2.6 をサポートするヘルパースクリプトの以前のバージョンにアクセスできます。これは、下位互換性のために用意されています。Python 3.4 以上が必要なヘルパースクリプトの最新バージョンを使用することをお勧めします。

**注記**  
 CloudFormation ヘルパースクリプトは Amazon Linux AMI イメージにプレインストールされています。表に示されているダウンロードパッケージは、その他の Linux/Unix ディストリビューションおよび Microsoft Windows (2008 以降) に適用されます。ヘルパースクリプトの使用方法については、「[CloudFormation ヘルパースクリプトリファレンス](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/cfn-helper-scripts-reference.html)」を参照してください。


| バージョン | リリース日 | 説明の変更 | パッケージのダウンロード | 
| --- | --- | --- | --- | 
|  1.4-34  |  9/14/2020  |   `cfn-hup` のデフォルトおよびユーザー指定の間隔の精度をプラスまたはマイナス 30 秒に改善。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-33  |  2020 年 5 月 28 日  |  Python 2.6 と 2.7 をサポート。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-32   |    |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |   | 
|  1.4-31  |  2018 年 9 月 10 日  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-30  |  2018/03/21  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-29   |  2018 年 2 月 12 日  |  最新の AWS リージョン までサポートを拡張。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-27  |  2018 年 1 月 24 日  |  最新の AWS リージョン までサポートを拡張。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-24、 1.4-26  |  2017 年 10 月 12 日  |  古いバージョンの Python を使用しているお客様向けに互換性の問題を修正。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-23  |  2017 年 10 月 3 日  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-22  |  2017 年 9 月 14 日  |  `umask` のデフォルト値を `0` から `0022` に変更。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-21  |  2017 年 8 月 31 日  |   `cfn-hup` デーモンの `umask` パラメータを追加。デフォルト値は `0`。  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-20  |  2017 年 8 月 2 日  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  | 
|  1.4-19  |  2017 年 7 月 20 日  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |  [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/TemplateReference/releasehistory-aws-cfn-bootstrap.html)  |