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Author: stdlib-bot

.github/.keepalive

@@ -2,6 +2,51 @@
 
 > Package changelog.
 
+<section class="release" id="unreleased">
+
+## Unreleased (2026-02-27)
+
+<section class="features">
+
+### Features
+
+-   [`793a38c`](https://github.com/stdlib-js/stdlib/commit/793a38c29f31677807e0cf6748f1ca54fbbef4ec) - add `toLocaleString` method to `ndarray/base/ctor` [(#9435)](https://github.com/stdlib-js/stdlib/pull/9435)
+
+</section>
+
+<!-- /.features -->
+
+<section class="commits">
+
+### Commits
+
+<details>
+
+-   [`793a38c`](https://github.com/stdlib-js/stdlib/commit/793a38c29f31677807e0cf6748f1ca54fbbef4ec) - **feat:** add `toLocaleString` method to `ndarray/base/ctor` [(#9435)](https://github.com/stdlib-js/stdlib/pull/9435) _(by Muhammad Haris, Athan Reines)_
+
+</details>
+
+</section>
+
+<!-- /.commits -->
+
+<section class="contributors">
+
+### Contributors
+
+A total of 2 people contributed to this release. Thank you to the following contributors:
+
+-   Athan Reines
+-   Muhammad Haris
+
+</section>
+
+<!-- /.contributors -->
+
+</section>
+
+<!-- /.release -->
+
 <section class="release" id="v0.3.1">
 
 ## 0.3.1 (2026-02-08)

CHANGELOG.md

@@ -543,11 +543,44 @@ var d = arr.data;
 
 For zero-dimensional arrays, the first, and **only**, argument should be the value `v` to set. The method returns the `ndarray` instance.
 
+<a name="method-to-locale-string"></a>
+
+#### ndarray.prototype.toLocaleString( \[locales\[, options]] )
+
+Serializes an `ndarray` as a locale-specific string.
+
+```javascript
+// Specify the array configuration:
+var buffer = [ 1234.567, 9876.543, 1111.222, 3333.444 ];
+var shape = [ 2, 2 ];
+var order = 'row-major';
+var strides = [ 2, 1 ];
+var offset = 0;
+
+// Create a new ndarray:
+var arr = ndarray( 'generic', buffer, shape, strides, offset, order );
+
+// Serialize to a locale-specific string:
+var str = arr.toLocaleString( 'en-US' );
+// returns "ndarray( 'generic', [ 1,234.567, 9,876.543, 1,111.222, 3,333.444 ], [ 2, 2 ], [ 2, 1 ], 0, 'row-major' )"
+
+// Use German locale:
+str = arr.toLocaleString( 'de-DE' );
+// returns "ndarray( 'generic', [ 1.234,567, 9.876,543, 1.111,222, 3.333,444 ], [ 2, 2 ], [ 2, 1 ], 0, 'row-major' )"
+```
+
+The method accepts the following arguments:
+
+-   **locales**: a string with a BCP 47 language tag or an array of such strings.
+-   **options**: configuration properties.
+
+The method does **not** serialize data outside of the buffer region defined by the array configuration.
+
 <a name="method-to-string"></a>
 
 #### ndarray.prototype.toString()
 
-Serializes an `ndarray` as a `string`.
+Serializes an `ndarray` as a string.
 
 ```javascript
 // Specify the array configuration: