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fix(lambda): bump the aws-powertools group in /lambdas with 4 updates (#4770)
Bumps the aws-powertools group in /lambdas with 4 updates:
[@aws-lambda-powertools/parameters](https://github.com/aws-powertools/powertools-lambda-typescript),
[@aws-lambda-powertools/logger](https://github.com/aws-powertools/powertools-lambda-typescript),
[@aws-lambda-powertools/metrics](https://github.com/aws-powertools/powertools-lambda-typescript)
and
[@aws-lambda-powertools/tracer](https://github.com/aws-powertools/powertools-lambda-typescript).
Updates `@aws-lambda-powertools/parameters` from 2.25.2 to 2.26.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/releases"><code>@aws-lambda-powertools/parameters</code>'s
releases</a>.</em></p>
<blockquote>
<h2>v2.26.1</h2>
<h2>Summary</h2>
<p>This patch release addresses a regression with the Batch Processing
utility introduced in <code>v2.26.0</code> that caused a bundling error
due to an internal dependency not being declared in the
<code>package.json</code>.</p>
<p>This bug affects only those who are using Batch Processing without
other Powertools for AWS utilities and who have already upgraded to
<code>v2.26.0</code> which was released on 12/09/2025.</p>
<p>We recommend updating to the latest version to avoid the issue.</p>
<p>⭐ Congratulations to <a
href="https://github.com/Grmiade"><code>@Grmiade</code></a> for
identifying this issue and fixing it with their first PR merged in the
project 🎉</p>
<h2>Changes</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>📜 Documentation updates</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4488">#4488</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>docs(batch): added documentation for the parser integration feature
in batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4435">#4435</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>🔧 Maintenance</h2>
<ul>
<li>fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
by <a href="https://github.com/Grmiade"><code>@Grmiade</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
</ul>
<h2>This release was made possible by the following contributors:</h2>
<p><a href="https://github.com/Grmiade"><code>@Grmiade</code></a>, <a
href="https://github.com/dependabot"><code>@dependabot</code></a>[bot],
<a
href="https://github.com/github-actions"><code>@github-actions</code></a>[bot],
<a href="https://github.com/sdangol"><code>@sdangol</code></a>, <a
href="https://github.com/apps/dependabot">dependabot[bot]</a> and <a
href="https://github.com/apps/github-actions">github-actions[bot]</a></p>
<h2>v2.26.0</h2>
<h2>Summary</h2>
<p>We're excited to announce support for API Gateway REST APIs in the
Event Handler utility. This simplifies routing and processing of events
in AWS Lambda functions by allowing you to define specific handlers that
corresponds to routes in your REST APIs with minimal boilerplate
code.</p>
<p>We have also integrated the Parser utility with Batch Processing,
enabling automatic validation of payloads from SQS, Kinesis and DynamoDB
streams.</p>
<p>Furthermore, we have added support for custom error handlers to the
AppSync GraphQL event handler resolver, with automatic marshalling of
errors to the expected AppSync format and logging built-in.</p>
<p>⭐ Congratulations <a
href="https://github.com/dcabib"><code>@dcabib</code></a> for their
first PR merged in the project and to <a
href="https://github.com/arnabrahman"><code>@arnabrahman</code></a> for
their continued contributions to AppSync event handler 🎉</p>
<h3>Working with API Gateway REST APIs</h3>
<h4>Key Features</h4>
<ul>
<li>Lightweight routing to reduce boilerplate code for API Gateway REST
APIs</li>
<li>Built-in middleware engine for executing custom logic when
processing requests and responses</li>
<li>Supports micro function (one or a few routes) and monolithic
functions (all routes)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/blob/main/CHANGELOG.md"><code>@aws-lambda-powertools/parameters</code>'s
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.26.0...v2.26.1">2.26.1</a>
(2025-09-15)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>batch</strong> declare the
<code>@aws-lambda-powertools/commons</code> dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d">8cfcccd</a>)</li>
</ul>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.0">2.26.0</a>
(2025-09-11)</h2>
<h3>Improvements</h3>
<ul>
<li><strong>logger</strong> update <code>getCodeLocation</code> regex to
improve performance (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4389">#4389</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/801333deff04b09d4adb88860c60f497295685d9">801333d</a>)</li>
<li><strong>batch</strong> simplified the parser integration api with
batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4465">#4465</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/96977ff6b1330adcf82d9caa3b30454208d654e8">96977ff</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>parser</strong> updated the binaryValue and stringValue in
the SqsMsgAttributeSchema to nullable (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4450">#4450</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cefcbdbaec087ce1bfcee4294754dc173c0c473b">cefcbdb</a>)</li>
<li><strong>event-handler</strong> handle nullable fields in
APIGatewayProxyEvent (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4455">#4455</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/200f47b0c9e3864b2732d93ca50dd65323b109fb">200f47b</a>)</li>
</ul>
<h3>Features</h3>
<ul>
<li><strong>parser</strong> integrate parser with Batch Processing (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4408">#4408</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/0b6bbbb751caaa7a81e1c2aaf823892c54b9e9cb">0b6bbbb</a>)</li>
<li><strong>parser</strong> implemented a helper function
<code>Base64Encoded</code> to decode base64 encoded payloads (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4413">#4413</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/15543602ea8182b0a5972fc2acfb364da4ad97f3">1554360</a>)</li>
<li><strong>parser</strong> add IPv6 support for sourceIp in API Gateway
schemas (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4398">#4398</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/2a94c3759a04057423db8f346c921166ada173d0">2a94c37</a>)</li>
<li><strong>event-handler</strong> remove undefined from Router's
resolve type signature (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4463">#4463</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d36ef5569de910e467f7c6d6b1d518112a998d40">d36ef55</a>)</li>
<li><strong>event-handler</strong> implement mechanism to manipulate
response in middleware (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4439">#4439</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/35a510d3f3191b479105238f5f956bfeeb519389">35a510d</a>)</li>
<li><strong>event-handler</strong> add route specific middleware
registration and execution (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4437">#4437</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/e6ea674b97953d0391573ea6536f9eb5f02f659b">e6ea674</a>)</li>
<li><strong>event-handler</strong> add middleware registration and
composition to rest handler (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4428">#4428</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/fc87eb3f5c05a31002becf30e22928c8d7913a3f">fc87eb3</a>)</li>
<li><strong>event-handler</strong> add support for error handling in
AppSync GraphQL (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4317">#4317</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/77a992ff39ed41da2c965bc86d65a326f4db21d6">77a992f</a>)</li>
<li><strong>event-handler</strong> add resolution logic to base router
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4349">#4349</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/f1ecc6da353ed1d4a1a943a4b75dc3e2b50d8e5e">f1ecc6d</a>)</li>
</ul>
<h3>Maintenance</h3>
<ul>
<li><strong>event-handler</strong> rename variables to reflect that
options object is now a RequestContext (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4460">#4460</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/5b4ee1ac77c4ebf0af6181f56a47340173306673">5b4ee1a</a>)</li>
<li><strong>event-handler</strong> expose rest handler functionality (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4458">#4458</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/23eddfdd2f3ec0824dccd080824628c63ed8308c">23eddfd</a>)</li>
<li><strong>event-handler</strong> split Router tests into multiple
files (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4449">#4449</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/91a1ec4c4765e814b67f669ed2ff77c674cc3155">91a1ec4</a>)</li>
<li><strong>event-handler</strong> rename BaseRouter class to Router (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4448">#4448</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/b043c28820b18e2d518153992f4f3243d476e208">b043c28</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/08555250f6851fa966822f80516a91981e95f28d"><code>0855525</code></a>
chore(ci): bump version to 2.26.1 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4486">#4486</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d"><code>8cfcccd</code></a>
fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/9118bbfbaccda931556df48586a3d32d06590ad2"><code>9118bbf</code></a>
chore(deps): bump the aws-cdk group across 1 directory with 3 updates
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/4fed581462b22c1a4210efc3f3d7a713ad390c84"><code>4fed581</code></a>
docs(batch): added documentation for the parser integration feature in
batch ...</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/dc7c65420d2425c804c0f85de0712b0785bd7eb2"><code>dc7c654</code></a>
chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cc233677d52f92eca40ee98ffa26abb308a85e08"><code>cc23367</code></a>
chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/bfdeeb62b0b941b53d96bdb2117c084fbb0e1ac4"><code>bfdeeb6</code></a>
chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/ddb52e36476fb724b2eabbf0ec89995a8e10964b"><code>ddb52e3</code></a>
chore(ci): bump version to 2.26.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4469">#4469</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d0bbfe0c5a8302940ffcaa055fd06886ccaddd15"><code>d0bbfe0</code></a>
chore(deps): bump github/codeql-action from 3.30.2 to 3.30.3 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4467">#4467</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/41292d56e4069c3f5ffd88828b61922838014bbb"><code>41292d5</code></a>
chore(deps-dev): bump zod from 4.1.5 to 4.1.7 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4468">#4468</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.1">compare
view</a></li>
</ul>
</details>
<br />
Updates `@aws-lambda-powertools/logger` from 2.25.2 to 2.26.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/releases"><code>@aws-lambda-powertools/logger</code>'s
releases</a>.</em></p>
<blockquote>
<h2>v2.26.1</h2>
<h2>Summary</h2>
<p>This patch release addresses a regression with the Batch Processing
utility introduced in <code>v2.26.0</code> that caused a bundling error
due to an internal dependency not being declared in the
<code>package.json</code>.</p>
<p>This bug affects only those who are using Batch Processing without
other Powertools for AWS utilities and who have already upgraded to
<code>v2.26.0</code> which was released on 12/09/2025.</p>
<p>We recommend updating to the latest version to avoid the issue.</p>
<p>⭐ Congratulations to <a
href="https://github.com/Grmiade"><code>@Grmiade</code></a> for
identifying this issue and fixing it with their first PR merged in the
project 🎉</p>
<h2>Changes</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>📜 Documentation updates</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4488">#4488</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>docs(batch): added documentation for the parser integration feature
in batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4435">#4435</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>🔧 Maintenance</h2>
<ul>
<li>fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
by <a href="https://github.com/Grmiade"><code>@Grmiade</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
</ul>
<h2>This release was made possible by the following contributors:</h2>
<p><a href="https://github.com/Grmiade"><code>@Grmiade</code></a>, <a
href="https://github.com/dependabot"><code>@dependabot</code></a>[bot],
<a
href="https://github.com/github-actions"><code>@github-actions</code></a>[bot],
<a href="https://github.com/sdangol"><code>@sdangol</code></a>, <a
href="https://github.com/apps/dependabot">dependabot[bot]</a> and <a
href="https://github.com/apps/github-actions">github-actions[bot]</a></p>
<h2>v2.26.0</h2>
<h2>Summary</h2>
<p>We're excited to announce support for API Gateway REST APIs in the
Event Handler utility. This simplifies routing and processing of events
in AWS Lambda functions by allowing you to define specific handlers that
corresponds to routes in your REST APIs with minimal boilerplate
code.</p>
<p>We have also integrated the Parser utility with Batch Processing,
enabling automatic validation of payloads from SQS, Kinesis and DynamoDB
streams.</p>
<p>Furthermore, we have added support for custom error handlers to the
AppSync GraphQL event handler resolver, with automatic marshalling of
errors to the expected AppSync format and logging built-in.</p>
<p>⭐ Congratulations <a
href="https://github.com/dcabib"><code>@dcabib</code></a> for their
first PR merged in the project and to <a
href="https://github.com/arnabrahman"><code>@arnabrahman</code></a> for
their continued contributions to AppSync event handler 🎉</p>
<h3>Working with API Gateway REST APIs</h3>
<h4>Key Features</h4>
<ul>
<li>Lightweight routing to reduce boilerplate code for API Gateway REST
APIs</li>
<li>Built-in middleware engine for executing custom logic when
processing requests and responses</li>
<li>Supports micro function (one or a few routes) and monolithic
functions (all routes)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/blob/main/CHANGELOG.md"><code>@aws-lambda-powertools/logger</code>'s
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.26.0...v2.26.1">2.26.1</a>
(2025-09-15)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>batch</strong> declare the
<code>@aws-lambda-powertools/commons</code> dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d">8cfcccd</a>)</li>
</ul>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.0">2.26.0</a>
(2025-09-11)</h2>
<h3>Improvements</h3>
<ul>
<li><strong>logger</strong> update <code>getCodeLocation</code> regex to
improve performance (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4389">#4389</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/801333deff04b09d4adb88860c60f497295685d9">801333d</a>)</li>
<li><strong>batch</strong> simplified the parser integration api with
batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4465">#4465</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/96977ff6b1330adcf82d9caa3b30454208d654e8">96977ff</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>parser</strong> updated the binaryValue and stringValue in
the SqsMsgAttributeSchema to nullable (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4450">#4450</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cefcbdbaec087ce1bfcee4294754dc173c0c473b">cefcbdb</a>)</li>
<li><strong>event-handler</strong> handle nullable fields in
APIGatewayProxyEvent (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4455">#4455</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/200f47b0c9e3864b2732d93ca50dd65323b109fb">200f47b</a>)</li>
</ul>
<h3>Features</h3>
<ul>
<li><strong>parser</strong> integrate parser with Batch Processing (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4408">#4408</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/0b6bbbb751caaa7a81e1c2aaf823892c54b9e9cb">0b6bbbb</a>)</li>
<li><strong>parser</strong> implemented a helper function
<code>Base64Encoded</code> to decode base64 encoded payloads (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4413">#4413</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/15543602ea8182b0a5972fc2acfb364da4ad97f3">1554360</a>)</li>
<li><strong>parser</strong> add IPv6 support for sourceIp in API Gateway
schemas (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4398">#4398</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/2a94c3759a04057423db8f346c921166ada173d0">2a94c37</a>)</li>
<li><strong>event-handler</strong> remove undefined from Router's
resolve type signature (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4463">#4463</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d36ef5569de910e467f7c6d6b1d518112a998d40">d36ef55</a>)</li>
<li><strong>event-handler</strong> implement mechanism to manipulate
response in middleware (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4439">#4439</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/35a510d3f3191b479105238f5f956bfeeb519389">35a510d</a>)</li>
<li><strong>event-handler</strong> add route specific middleware
registration and execution (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4437">#4437</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/e6ea674b97953d0391573ea6536f9eb5f02f659b">e6ea674</a>)</li>
<li><strong>event-handler</strong> add middleware registration and
composition to rest handler (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4428">#4428</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/fc87eb3f5c05a31002becf30e22928c8d7913a3f">fc87eb3</a>)</li>
<li><strong>event-handler</strong> add support for error handling in
AppSync GraphQL (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4317">#4317</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/77a992ff39ed41da2c965bc86d65a326f4db21d6">77a992f</a>)</li>
<li><strong>event-handler</strong> add resolution logic to base router
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4349">#4349</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/f1ecc6da353ed1d4a1a943a4b75dc3e2b50d8e5e">f1ecc6d</a>)</li>
</ul>
<h3>Maintenance</h3>
<ul>
<li><strong>event-handler</strong> rename variables to reflect that
options object is now a RequestContext (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4460">#4460</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/5b4ee1ac77c4ebf0af6181f56a47340173306673">5b4ee1a</a>)</li>
<li><strong>event-handler</strong> expose rest handler functionality (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4458">#4458</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/23eddfdd2f3ec0824dccd080824628c63ed8308c">23eddfd</a>)</li>
<li><strong>event-handler</strong> split Router tests into multiple
files (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4449">#4449</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/91a1ec4c4765e814b67f669ed2ff77c674cc3155">91a1ec4</a>)</li>
<li><strong>event-handler</strong> rename BaseRouter class to Router (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4448">#4448</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/b043c28820b18e2d518153992f4f3243d476e208">b043c28</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/08555250f6851fa966822f80516a91981e95f28d"><code>0855525</code></a>
chore(ci): bump version to 2.26.1 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4486">#4486</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d"><code>8cfcccd</code></a>
fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/9118bbfbaccda931556df48586a3d32d06590ad2"><code>9118bbf</code></a>
chore(deps): bump the aws-cdk group across 1 directory with 3 updates
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/4fed581462b22c1a4210efc3f3d7a713ad390c84"><code>4fed581</code></a>
docs(batch): added documentation for the parser integration feature in
batch ...</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/dc7c65420d2425c804c0f85de0712b0785bd7eb2"><code>dc7c654</code></a>
chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cc233677d52f92eca40ee98ffa26abb308a85e08"><code>cc23367</code></a>
chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/bfdeeb62b0b941b53d96bdb2117c084fbb0e1ac4"><code>bfdeeb6</code></a>
chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/ddb52e36476fb724b2eabbf0ec89995a8e10964b"><code>ddb52e3</code></a>
chore(ci): bump version to 2.26.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4469">#4469</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d0bbfe0c5a8302940ffcaa055fd06886ccaddd15"><code>d0bbfe0</code></a>
chore(deps): bump github/codeql-action from 3.30.2 to 3.30.3 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4467">#4467</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/41292d56e4069c3f5ffd88828b61922838014bbb"><code>41292d5</code></a>
chore(deps-dev): bump zod from 4.1.5 to 4.1.7 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4468">#4468</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.1">compare
view</a></li>
</ul>
</details>
<br />
Updates `@aws-lambda-powertools/metrics` from 2.25.2 to 2.26.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/releases"><code>@aws-lambda-powertools/metrics</code>'s
releases</a>.</em></p>
<blockquote>
<h2>v2.26.1</h2>
<h2>Summary</h2>
<p>This patch release addresses a regression with the Batch Processing
utility introduced in <code>v2.26.0</code> that caused a bundling error
due to an internal dependency not being declared in the
<code>package.json</code>.</p>
<p>This bug affects only those who are using Batch Processing without
other Powertools for AWS utilities and who have already upgraded to
<code>v2.26.0</code> which was released on 12/09/2025.</p>
<p>We recommend updating to the latest version to avoid the issue.</p>
<p>⭐ Congratulations to <a
href="https://github.com/Grmiade"><code>@Grmiade</code></a> for
identifying this issue and fixing it with their first PR merged in the
project 🎉</p>
<h2>Changes</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>📜 Documentation updates</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4488">#4488</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>docs(batch): added documentation for the parser integration feature
in batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4435">#4435</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>🔧 Maintenance</h2>
<ul>
<li>fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
by <a href="https://github.com/Grmiade"><code>@Grmiade</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
</ul>
<h2>This release was made possible by the following contributors:</h2>
<p><a href="https://github.com/Grmiade"><code>@Grmiade</code></a>, <a
href="https://github.com/dependabot"><code>@dependabot</code></a>[bot],
<a
href="https://github.com/github-actions"><code>@github-actions</code></a>[bot],
<a href="https://github.com/sdangol"><code>@sdangol</code></a>, <a
href="https://github.com/apps/dependabot">dependabot[bot]</a> and <a
href="https://github.com/apps/github-actions">github-actions[bot]</a></p>
<h2>v2.26.0</h2>
<h2>Summary</h2>
<p>We're excited to announce support for API Gateway REST APIs in the
Event Handler utility. This simplifies routing and processing of events
in AWS Lambda functions by allowing you to define specific handlers that
corresponds to routes in your REST APIs with minimal boilerplate
code.</p>
<p>We have also integrated the Parser utility with Batch Processing,
enabling automatic validation of payloads from SQS, Kinesis and DynamoDB
streams.</p>
<p>Furthermore, we have added support for custom error handlers to the
AppSync GraphQL event handler resolver, with automatic marshalling of
errors to the expected AppSync format and logging built-in.</p>
<p>⭐ Congratulations <a
href="https://github.com/dcabib"><code>@dcabib</code></a> for their
first PR merged in the project and to <a
href="https://github.com/arnabrahman"><code>@arnabrahman</code></a> for
their continued contributions to AppSync event handler 🎉</p>
<h3>Working with API Gateway REST APIs</h3>
<h4>Key Features</h4>
<ul>
<li>Lightweight routing to reduce boilerplate code for API Gateway REST
APIs</li>
<li>Built-in middleware engine for executing custom logic when
processing requests and responses</li>
<li>Supports micro function (one or a few routes) and monolithic
functions (all routes)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/blob/main/CHANGELOG.md"><code>@aws-lambda-powertools/metrics</code>'s
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.26.0...v2.26.1">2.26.1</a>
(2025-09-15)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>batch</strong> declare the
<code>@aws-lambda-powertools/commons</code> dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d">8cfcccd</a>)</li>
</ul>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.0">2.26.0</a>
(2025-09-11)</h2>
<h3>Improvements</h3>
<ul>
<li><strong>logger</strong> update <code>getCodeLocation</code> regex to
improve performance (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4389">#4389</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/801333deff04b09d4adb88860c60f497295685d9">801333d</a>)</li>
<li><strong>batch</strong> simplified the parser integration api with
batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4465">#4465</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/96977ff6b1330adcf82d9caa3b30454208d654e8">96977ff</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>parser</strong> updated the binaryValue and stringValue in
the SqsMsgAttributeSchema to nullable (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4450">#4450</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cefcbdbaec087ce1bfcee4294754dc173c0c473b">cefcbdb</a>)</li>
<li><strong>event-handler</strong> handle nullable fields in
APIGatewayProxyEvent (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4455">#4455</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/200f47b0c9e3864b2732d93ca50dd65323b109fb">200f47b</a>)</li>
</ul>
<h3>Features</h3>
<ul>
<li><strong>parser</strong> integrate parser with Batch Processing (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4408">#4408</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/0b6bbbb751caaa7a81e1c2aaf823892c54b9e9cb">0b6bbbb</a>)</li>
<li><strong>parser</strong> implemented a helper function
<code>Base64Encoded</code> to decode base64 encoded payloads (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4413">#4413</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/15543602ea8182b0a5972fc2acfb364da4ad97f3">1554360</a>)</li>
<li><strong>parser</strong> add IPv6 support for sourceIp in API Gateway
schemas (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4398">#4398</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/2a94c3759a04057423db8f346c921166ada173d0">2a94c37</a>)</li>
<li><strong>event-handler</strong> remove undefined from Router's
resolve type signature (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4463">#4463</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d36ef5569de910e467f7c6d6b1d518112a998d40">d36ef55</a>)</li>
<li><strong>event-handler</strong> implement mechanism to manipulate
response in middleware (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4439">#4439</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/35a510d3f3191b479105238f5f956bfeeb519389">35a510d</a>)</li>
<li><strong>event-handler</strong> add route specific middleware
registration and execution (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4437">#4437</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/e6ea674b97953d0391573ea6536f9eb5f02f659b">e6ea674</a>)</li>
<li><strong>event-handler</strong> add middleware registration and
composition to rest handler (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4428">#4428</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/fc87eb3f5c05a31002becf30e22928c8d7913a3f">fc87eb3</a>)</li>
<li><strong>event-handler</strong> add support for error handling in
AppSync GraphQL (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4317">#4317</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/77a992ff39ed41da2c965bc86d65a326f4db21d6">77a992f</a>)</li>
<li><strong>event-handler</strong> add resolution logic to base router
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4349">#4349</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/f1ecc6da353ed1d4a1a943a4b75dc3e2b50d8e5e">f1ecc6d</a>)</li>
</ul>
<h3>Maintenance</h3>
<ul>
<li><strong>event-handler</strong> rename variables to reflect that
options object is now a RequestContext (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4460">#4460</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/5b4ee1ac77c4ebf0af6181f56a47340173306673">5b4ee1a</a>)</li>
<li><strong>event-handler</strong> expose rest handler functionality (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4458">#4458</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/23eddfdd2f3ec0824dccd080824628c63ed8308c">23eddfd</a>)</li>
<li><strong>event-handler</strong> split Router tests into multiple
files (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4449">#4449</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/91a1ec4c4765e814b67f669ed2ff77c674cc3155">91a1ec4</a>)</li>
<li><strong>event-handler</strong> rename BaseRouter class to Router (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4448">#4448</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/b043c28820b18e2d518153992f4f3243d476e208">b043c28</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/08555250f6851fa966822f80516a91981e95f28d"><code>0855525</code></a>
chore(ci): bump version to 2.26.1 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4486">#4486</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d"><code>8cfcccd</code></a>
fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/9118bbfbaccda931556df48586a3d32d06590ad2"><code>9118bbf</code></a>
chore(deps): bump the aws-cdk group across 1 directory with 3 updates
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/4fed581462b22c1a4210efc3f3d7a713ad390c84"><code>4fed581</code></a>
docs(batch): added documentation for the parser integration feature in
batch ...</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/dc7c65420d2425c804c0f85de0712b0785bd7eb2"><code>dc7c654</code></a>
chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cc233677d52f92eca40ee98ffa26abb308a85e08"><code>cc23367</code></a>
chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/bfdeeb62b0b941b53d96bdb2117c084fbb0e1ac4"><code>bfdeeb6</code></a>
chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/ddb52e36476fb724b2eabbf0ec89995a8e10964b"><code>ddb52e3</code></a>
chore(ci): bump version to 2.26.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4469">#4469</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d0bbfe0c5a8302940ffcaa055fd06886ccaddd15"><code>d0bbfe0</code></a>
chore(deps): bump github/codeql-action from 3.30.2 to 3.30.3 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4467">#4467</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/41292d56e4069c3f5ffd88828b61922838014bbb"><code>41292d5</code></a>
chore(deps-dev): bump zod from 4.1.5 to 4.1.7 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4468">#4468</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.1">compare
view</a></li>
</ul>
</details>
<br />
Updates `@aws-lambda-powertools/tracer` from 2.25.2 to 2.26.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/releases"><code>@aws-lambda-powertools/tracer</code>'s
releases</a>.</em></p>
<blockquote>
<h2>v2.26.1</h2>
<h2>Summary</h2>
<p>This patch release addresses a regression with the Batch Processing
utility introduced in <code>v2.26.0</code> that caused a bundling error
due to an internal dependency not being declared in the
<code>package.json</code>.</p>
<p>This bug affects only those who are using Batch Processing without
other Powertools for AWS utilities and who have already upgraded to
<code>v2.26.0</code> which was released on 12/09/2025.</p>
<p>We recommend updating to the latest version to avoid the issue.</p>
<p>⭐ Congratulations to <a
href="https://github.com/Grmiade"><code>@Grmiade</code></a> for
identifying this issue and fixing it with their first PR merged in the
project 🎉</p>
<h2>Changes</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>📜 Documentation updates</h2>
<ul>
<li>chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4488">#4488</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>docs(batch): added documentation for the parser integration feature
in batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4435">#4435</a>)
by <a href="https://github.com/sdangol"><code>@sdangol</code></a></li>
</ul>
<h2>🔧 Maintenance</h2>
<ul>
<li>fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
by <a href="https://github.com/Grmiade"><code>@Grmiade</code></a></li>
<li>chore(deps): bump the aws-cdk group across 1 directory with 3
updates (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
<li>chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)
by @<a
href="https://github.com/apps/dependabot">dependabot[bot]</a></li>
</ul>
<h2>This release was made possible by the following contributors:</h2>
<p><a href="https://github.com/Grmiade"><code>@Grmiade</code></a>, <a
href="https://github.com/dependabot"><code>@dependabot</code></a>[bot],
<a
href="https://github.com/github-actions"><code>@github-actions</code></a>[bot],
<a href="https://github.com/sdangol"><code>@sdangol</code></a>, <a
href="https://github.com/apps/dependabot">dependabot[bot]</a> and <a
href="https://github.com/apps/github-actions">github-actions[bot]</a></p>
<h2>v2.26.0</h2>
<h2>Summary</h2>
<p>We're excited to announce support for API Gateway REST APIs in the
Event Handler utility. This simplifies routing and processing of events
in AWS Lambda functions by allowing you to define specific handlers that
corresponds to routes in your REST APIs with minimal boilerplate
code.</p>
<p>We have also integrated the Parser utility with Batch Processing,
enabling automatic validation of payloads from SQS, Kinesis and DynamoDB
streams.</p>
<p>Furthermore, we have added support for custom error handlers to the
AppSync GraphQL event handler resolver, with automatic marshalling of
errors to the expected AppSync format and logging built-in.</p>
<p>⭐ Congratulations <a
href="https://github.com/dcabib"><code>@dcabib</code></a> for their
first PR merged in the project and to <a
href="https://github.com/arnabrahman"><code>@arnabrahman</code></a> for
their continued contributions to AppSync event handler 🎉</p>
<h3>Working with API Gateway REST APIs</h3>
<h4>Key Features</h4>
<ul>
<li>Lightweight routing to reduce boilerplate code for API Gateway REST
APIs</li>
<li>Built-in middleware engine for executing custom logic when
processing requests and responses</li>
<li>Supports micro function (one or a few routes) and monolithic
functions (all routes)</li>
</ul>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/blob/main/CHANGELOG.md"><code>@aws-lambda-powertools/tracer</code>'s
changelog</a>.</em></p>
<blockquote>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.26.0...v2.26.1">2.26.1</a>
(2025-09-15)</h2>
<h3>Bug Fixes</h3>
<ul>
<li><strong>batch</strong> declare the
<code>@aws-lambda-powertools/commons</code> dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d">8cfcccd</a>)</li>
</ul>
<h2><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.0">2.26.0</a>
(2025-09-11)</h2>
<h3>Improvements</h3>
<ul>
<li><strong>logger</strong> update <code>getCodeLocation</code> regex to
improve performance (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4389">#4389</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/801333deff04b09d4adb88860c60f497295685d9">801333d</a>)</li>
<li><strong>batch</strong> simplified the parser integration api with
batch processor (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4465">#4465</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/96977ff6b1330adcf82d9caa3b30454208d654e8">96977ff</a>)</li>
</ul>
<h3>Bug Fixes</h3>
<ul>
<li><strong>parser</strong> updated the binaryValue and stringValue in
the SqsMsgAttributeSchema to nullable (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4450">#4450</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cefcbdbaec087ce1bfcee4294754dc173c0c473b">cefcbdb</a>)</li>
<li><strong>event-handler</strong> handle nullable fields in
APIGatewayProxyEvent (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4455">#4455</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/200f47b0c9e3864b2732d93ca50dd65323b109fb">200f47b</a>)</li>
</ul>
<h3>Features</h3>
<ul>
<li><strong>parser</strong> integrate parser with Batch Processing (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4408">#4408</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/0b6bbbb751caaa7a81e1c2aaf823892c54b9e9cb">0b6bbbb</a>)</li>
<li><strong>parser</strong> implemented a helper function
<code>Base64Encoded</code> to decode base64 encoded payloads (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4413">#4413</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/15543602ea8182b0a5972fc2acfb364da4ad97f3">1554360</a>)</li>
<li><strong>parser</strong> add IPv6 support for sourceIp in API Gateway
schemas (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4398">#4398</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/2a94c3759a04057423db8f346c921166ada173d0">2a94c37</a>)</li>
<li><strong>event-handler</strong> remove undefined from Router's
resolve type signature (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4463">#4463</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d36ef5569de910e467f7c6d6b1d518112a998d40">d36ef55</a>)</li>
<li><strong>event-handler</strong> implement mechanism to manipulate
response in middleware (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4439">#4439</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/35a510d3f3191b479105238f5f956bfeeb519389">35a510d</a>)</li>
<li><strong>event-handler</strong> add route specific middleware
registration and execution (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4437">#4437</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/e6ea674b97953d0391573ea6536f9eb5f02f659b">e6ea674</a>)</li>
<li><strong>event-handler</strong> add middleware registration and
composition to rest handler (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4428">#4428</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/fc87eb3f5c05a31002becf30e22928c8d7913a3f">fc87eb3</a>)</li>
<li><strong>event-handler</strong> add support for error handling in
AppSync GraphQL (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4317">#4317</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/77a992ff39ed41da2c965bc86d65a326f4db21d6">77a992f</a>)</li>
<li><strong>event-handler</strong> add resolution logic to base router
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4349">#4349</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/f1ecc6da353ed1d4a1a943a4b75dc3e2b50d8e5e">f1ecc6d</a>)</li>
</ul>
<h3>Maintenance</h3>
<ul>
<li><strong>event-handler</strong> rename variables to reflect that
options object is now a RequestContext (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4460">#4460</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/5b4ee1ac77c4ebf0af6181f56a47340173306673">5b4ee1a</a>)</li>
<li><strong>event-handler</strong> expose rest handler functionality (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4458">#4458</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/23eddfdd2f3ec0824dccd080824628c63ed8308c">23eddfd</a>)</li>
<li><strong>event-handler</strong> split Router tests into multiple
files (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4449">#4449</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/91a1ec4c4765e814b67f669ed2ff77c674cc3155">91a1ec4</a>)</li>
<li><strong>event-handler</strong> rename BaseRouter class to Router (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4448">#4448</a>)
(<a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/b043c28820b18e2d518153992f4f3243d476e208">b043c28</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/08555250f6851fa966822f80516a91981e95f28d"><code>0855525</code></a>
chore(ci): bump version to 2.26.1 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4486">#4486</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/8cfcccd6e94a6f0b25087ffbd8a4a2ec4bbf0e3d"><code>8cfcccd</code></a>
fix(batch): declare the <code>@aws-lambda-powertools/commons</code>
dependency (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4484">#4484</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/9118bbfbaccda931556df48586a3d32d06590ad2"><code>9118bbf</code></a>
chore(deps): bump the aws-cdk group across 1 directory with 3 updates
(<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4443">#4443</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/4fed581462b22c1a4210efc3f3d7a713ad390c84"><code>4fed581</code></a>
docs(batch): added documentation for the parser integration feature in
batch ...</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/dc7c65420d2425c804c0f85de0712b0785bd7eb2"><code>dc7c654</code></a>
chore(deps-dev): bump zod from 4.1.7 to 4.1.8 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4473">#4473</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/cc233677d52f92eca40ee98ffa26abb308a85e08"><code>cc23367</code></a>
chore(deps): bump actions/github-script from 7.0.1 to 8.0.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4432">#4432</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/bfdeeb62b0b941b53d96bdb2117c084fbb0e1ac4"><code>bfdeeb6</code></a>
chore(ci): update layer ARN on documentation (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4471">#4471</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/ddb52e36476fb724b2eabbf0ec89995a8e10964b"><code>ddb52e3</code></a>
chore(ci): bump version to 2.26.0 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4469">#4469</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/d0bbfe0c5a8302940ffcaa055fd06886ccaddd15"><code>d0bbfe0</code></a>
chore(deps): bump github/codeql-action from 3.30.2 to 3.30.3 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4467">#4467</a>)</li>
<li><a
href="https://github.com/aws-powertools/powertools-lambda-typescript/commit/41292d56e4069c3f5ffd88828b61922838014bbb"><code>41292d5</code></a>
chore(deps-dev): bump zod from 4.1.5 to 4.1.7 (<a
href="https://redirect.github.com/aws-powertools/powertools-lambda-typescript/issues/4468">#4468</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/aws-powertools/powertools-lambda-typescript/compare/v2.25.2...v2.26.1">compare
view</a></li>
</ul>
</details>
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