XML Builder was the part of fast-xml-parser for years. But considering that any bug in builder may false-alarm the users who are only using parser and vice-versa, we have decided to split it into a separate package.
Migration
To migrate to fast-xml-builder;
From
import { XMLBuilder } from "fast-xml-parser";
To
import XMLBuilder from "fast-xml-builder";
XMLBuilder will be removed from current package in any next major version of this library. So better to migrate.
Note: If you find missing information about particular minor version, that version must have been changed without any functional change in this library.
Note: Due to some last quick changes on v4, detail of v4.5.3 & v4.5.4 are not updated here. v4.5.4x is the last tag of v4 in github repository. I'm extremely sorry for the confusion
5.4.2 / 2026-03-03
support maxEntityCount option
5.4.1 / 2026-02-25
fix (#785) unpairedTag node should not have tag content
5.4.0 / 2026-02-25
migrate to fast-xml-builder
5.3.9 / 2026-02-25
support strictReservedNames
5.3.8 / 2026-02-25
support maxNestedTags
handle non-array input for XML builder when preserveOrder is true (By Angelo Coetzee)
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🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.
## 📋 Pull Request Information
**Original PR:** https://github.com/fosrl/pangolin/pull/2613
**Author:** [@dependabot[bot]](https://github.com/apps/dependabot)
**Created:** 3/6/2026
**Status:** ✅ Merged
**Merged:** 3/6/2026
**Merged by:** [@oschwartz10612](https://github.com/oschwartz10612)
**Base:** `main` ← **Head:** `dependabot/npm_and_yarn/multi-43b302174d`
---
### 📝 Commits (1)
- [`14d6ff2`](https://github.com/fosrl/pangolin/commit/14d6ff25a717e995ddf20d21a19c045324117788) Bump fast-xml-parser and @aws-sdk/xml-builder
### 📊 Changes
**1 file changed** (+27 additions, -14 deletions)
<details>
<summary>View changed files</summary>
📝 `package-lock.json` (+27 -14)
</details>
### 📄 Description
Bumps [fast-xml-parser](https://github.com/NaturalIntelligence/fast-xml-parser) and [@aws-sdk/xml-builder](https://github.com/aws/aws-sdk-js-v3/tree/HEAD/packages-internal/xml-builder). These dependencies needed to be updated together.
Updates `fast-xml-parser` from 5.3.6 to 5.4.1
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/NaturalIntelligence/fast-xml-parser/releases">fast-xml-parser's releases</a>.</em></p>
<blockquote>
<h2>Separate Builder</h2>
<p>XML Builder was the part of <a href="https://github.com/NaturalIntelligence/fast-xml-builder">fast-xml-parser</a> for years. But considering that any bug in builder may false-alarm the users who are only using parser and vice-versa, we have decided to split it into a separate package.</p>
<h2>Migration</h2>
<p>To migrate to fast-xml-builder;</p>
<p>From</p>
<pre lang="js"><code>import { XMLBuilder } from "fast-xml-parser";
</code></pre>
<p>To</p>
<pre lang="js"><code>import XMLBuilder from "fast-xml-builder";
</code></pre>
<p>XMLBuilder will be removed from current package in any next major version of this library. So better to migrate.</p>
<h2>support strictReservedNames</h2>
<p><strong>Full Changelog</strong>: <a href="https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.9...v5.3.9">https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.9...v5.3.9</a></p>
<h2>handle non-array input for XML builder && support maxNestedTags</h2>
<ul>
<li>support maxNestedTags</li>
<li>handle non-array input for XML builder when preserveOrder is true (By <a href="https://github.com/Angelopvtac">Angelo Coetzee</a>)</li>
<li>save use of js properies
<strong>Full Changelog</strong>: <a href="https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.7...v5.3.8">https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.7...v5.3.8</a></li>
</ul>
<h2>CJS typing fix</h2>
<h2>What's Changed</h2>
<ul>
<li>Unexport <code>X2jOptions</code> at declaration site by <a href="https://github.com/Drarig29"><code>@Drarig29</code></a> in <a href="https://redirect.github.com/NaturalIntelligence/fast-xml-parser/pull/787">NaturalIntelligence/fast-xml-parser#787</a></li>
</ul>
<h2>New Contributors</h2>
<ul>
<li><a href="https://github.com/Drarig29"><code>@Drarig29</code></a> made their first contribution in <a href="https://redirect.github.com/NaturalIntelligence/fast-xml-parser/pull/787">NaturalIntelligence/fast-xml-parser#787</a></li>
</ul>
<p><strong>Full Changelog</strong>: <a href="https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.6...v5.3.7">https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.6...v5.3.7</a></p>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/NaturalIntelligence/fast-xml-parser/blob/master/CHANGELOG.md">fast-xml-parser's changelog</a>.</em></p>
<blockquote>
<p><!-- raw HTML omitted -->Note: If you find missing information about particular minor version, that version must have been changed without any functional change in this library.<!-- raw HTML omitted --></p>
<p>Note: Due to some last quick changes on v4, detail of v4.5.3 & v4.5.4 are not updated here. v4.5.4x is the last tag of v4 in github repository. I'm extremely sorry for the confusion</p>
<p><strong>5.4.2 / 2026-03-03</strong></p>
<ul>
<li>support maxEntityCount option</li>
</ul>
<p><strong>5.4.1 / 2026-02-25</strong></p>
<ul>
<li>fix (<a href="https://redirect.github.com/NaturalIntelligence/fast-xml-parser/issues/785">#785</a>) unpairedTag node should not have tag content</li>
</ul>
<p><strong>5.4.0 / 2026-02-25</strong></p>
<ul>
<li>migrate to fast-xml-builder</li>
</ul>
<p><strong>5.3.9 / 2026-02-25</strong></p>
<ul>
<li>support strictReservedNames</li>
</ul>
<p><strong>5.3.8 / 2026-02-25</strong></p>
<ul>
<li>support maxNestedTags</li>
<li>handle non-array input for XML builder when preserveOrder is true (By <a href="https://github.com/Angelopvtac">Angelo Coetzee</a>)</li>
<li>save use of js properies</li>
</ul>
<p><strong>5.3.7 / 2026-02-20</strong></p>
<ul>
<li>fix typings for CJS (By <a href="https://github.com/Drarig29">Corentin Girard</a>)</li>
</ul>
<p><strong>5.3.6 / 2026-02-14</strong></p>
<ul>
<li>Improve security and performance of entity processing
<ul>
<li>new options <code>maxEntitySize</code>, <code>maxExpansionDepth</code>, <code>maxTotalExpansions</code>, <code>maxExpandedLength</code>, <code>allowedTags</code>,<code>tagFilter</code></li>
<li>fast return when no edtity is present</li>
<li>improvement replacement logic to reduce number of calls</li>
</ul>
</li>
</ul>
<p><strong>5.3.5 / 2026-02-08</strong></p>
<ul>
<li>fix: Escape regex char in entity name</li>
<li>update strnum to 2.1.2</li>
<li>add missing exports in CJS typings</li>
</ul>
<p><strong>5.3.4 / 2026-01-30</strong></p>
<ul>
<li>fix: handle HTML numeric and hex entities when out of range</li>
</ul>
<p><strong>5.3.3 / 2025-12-12</strong></p>
<ul>
<li>fix <a href="https://redirect.github.com/NaturalIntelligence/fast-xml-parser/issues/775">#775</a>: transformTagName with allowBooleanAttributes adds an unnecessary attribute</li>
</ul>
<p><strong>5.3.2 / 2025-11-14</strong></p>
<ul>
<li>fix for import statement for v6</li>
</ul>
<p><strong>5.3.1 / 2025-11-03</strong></p>
<!-- raw HTML omitted -->
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/4e7ca80e788a23b07531ac2ff8906e5e9f4bf892"><code>4e7ca80</code></a> update release info</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/36023b496382717c82bd68863b3f95629d0c9311"><code>36023b4</code></a> fix (<a href="https://redirect.github.com/NaturalIntelligence/fast-xml-parser/issues/785">#785</a>) unpairedTag node should not have tag content</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/b3660266f53e383193ae152cde878d9b2db7240f"><code>b366026</code></a> separate builder</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/6f333a85693e20713fea2d733795fef7e11ac51c"><code>6f333a8</code></a> update release info</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/c3ffbab9e5a2bab9db65803933d0af656076fc33"><code>c3ffbab</code></a> support strictReservedNames</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/c692040f6b5f5045d38b66b1da04e4d3abc97052"><code>c692040</code></a> update release info</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/107e34c046d4997ee3b67a32d32eef52fe63edb2"><code>107e34c</code></a> avoid <code>{}</code> to create an empty object</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/60835a4c7279ddc349d192097fb41afa52930d8b"><code>60835a4</code></a> support maxNestedTags</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/f55657c2b1cf29b433124390c32acba45a5a67aa"><code>f55657c</code></a> avoid direct call to hasOwnProperty</li>
<li><a href="https://github.com/NaturalIntelligence/fast-xml-parser/commit/c13a961910f14986295dd28484eee830fa1a0e8a"><code>c13a961</code></a> handle non-array input for XML builder when preserveOrder is true</li>
<li>Additional commits viewable in <a href="https://github.com/NaturalIntelligence/fast-xml-parser/compare/v5.3.6...v5.4.1">compare view</a></li>
</ul>
</details>
<br />
Updates `@aws-sdk/xml-builder` from 3.972.5 to 3.972.10
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a href="https://github.com/aws/aws-sdk-js-v3/blob/main/packages-internal/xml-builder/CHANGELOG.md"><code>@aws-sdk/xml-builder</code>'s changelog</a>.</em></p>
<blockquote>
<h1>3.972.10 (2026-03-04)</h1>
<h3>Chores</h3>
<ul>
<li>set downlevel types to be used in typescript@'<4.5' (<a href="https://redirect.github.com/aws/aws-sdk-js-v3/issues/7817">#7817</a>) (<a href="https://github.com/aws/aws-sdk-js-v3/commit/03dad66b98363f09d1f0984b670be110caea8f62">03dad66</a>)</li>
</ul>
<h1>3.972.9 (2026-02-28)</h1>
<h3>Chores</h3>
<ul>
<li><strong>deps:</strong> bump fast-xml-parser from 5.3.6 to 5.4.1 (<a href="https://redirect.github.com/aws/aws-sdk-js-v3/issues/7796">#7796</a>) (<a href="https://github.com/aws/aws-sdk-js-v3/commit/c0dac298b8b015abd3523c045f239a39dae90a3e">c0dac29</a>)</li>
</ul>
<h1>3.972.8 (2026-02-25)</h1>
<h3>Chores</h3>
<ul>
<li><strong>packages:</strong> reapply eslint rules (<a href="https://redirect.github.com/aws/aws-sdk-js-v3/issues/7789">#7789</a>) (<a href="https://github.com/aws/aws-sdk-js-v3/commit/ab81c738436db219e5163ccaab953805776b33d6">ab81c73</a>)</li>
</ul>
<h1>3.972.7 (2026-02-24)</h1>
<h3>Chores</h3>
<ul>
<li><strong>codegen:</strong> sync for checksum algorithm extensions (<a href="https://redirect.github.com/aws/aws-sdk-js-v3/issues/7781">#7781</a>) (<a href="https://github.com/aws/aws-sdk-js-v3/commit/ae4f994f679b8814d2ce6ba121fd1ffa38df9a99">ae4f994</a>)</li>
</ul>
<h1>3.972.6 (2026-02-23)</h1>
<h3>Chores</h3>
<ul>
<li><strong>codegen:</strong> sync for checksum stream backpressure (<a href="https://redirect.github.com/aws/aws-sdk-js-v3/issues/7776">#7776</a>) (<a href="https://github.com/aws/aws-sdk-js-v3/commit/14fc57173714be0bca229b541db383219620afd8">14fc571</a>)</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a href="https://github.com/aws/aws-sdk-js-v3/commits/HEAD/packages-internal/xml-builder">compare view</a></li>
</ul>
</details>
<br />
Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.
[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)
---
<details>
<summary>Dependabot commands and options</summary>
<br />
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---
<sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
Blocking a user prevents them from interacting with repositories, such as opening or commenting on pull requests or issues. Learn more about blocking a user.
📋 Pull Request Information
Original PR: https://github.com/fosrl/pangolin/pull/2613
Author: @dependabot[bot]
Created: 3/6/2026
Status: ✅ Merged
Merged: 3/6/2026
Merged by: @oschwartz10612
Base:
main← Head:dependabot/npm_and_yarn/multi-43b302174d📝 Commits (1)
14d6ff2Bump fast-xml-parser and @aws-sdk/xml-builder📊 Changes
1 file changed (+27 additions, -14 deletions)
View changed files
📝
package-lock.json(+27 -14)📄 Description
Bumps fast-xml-parser and @aws-sdk/xml-builder. These dependencies needed to be updated together.
Updates
fast-xml-parserfrom 5.3.6 to 5.4.1Release notes
Sourced from fast-xml-parser's releases.
Changelog
Sourced from fast-xml-parser's changelog.
... (truncated)
Commits
4e7ca80update release info36023b4fix (#785) unpairedTag node should not have tag contentb366026separate builder6f333a8update release infoc3ffbabsupport strictReservedNamesc692040update release info107e34cavoid{}to create an empty object60835a4support maxNestedTagsf55657cavoid direct call to hasOwnPropertyc13a961handle non-array input for XML builder when preserveOrder is trueUpdates
@aws-sdk/xml-builderfrom 3.972.5 to 3.972.10Changelog
Sourced from
@aws-sdk/xml-builder's changelog.Commits
Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase.Dependabot commands and options
You can trigger Dependabot actions by commenting on this PR:
@dependabot rebasewill rebase this PR@dependabot recreatewill recreate this PR, overwriting any edits that have been made to it@dependabot show <dependency name> ignore conditionswill show all of the ignore conditions of the specified dependency@dependabot ignore this major versionwill close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)@dependabot ignore this minor versionwill close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)@dependabot ignore this dependencywill close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)You can disable automated security fix PRs for this repo from the Security Alerts page.
🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.