diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 121f6573..3d84fb9e 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 15
+          node-version: 'lts/*'
       - name: Install production and development dependencies
         run: |
           npm install || npm install || npm install
diff --git a/.github/workflows/examples.yml b/.github/workflows/examples.yml
index 881e2097..3bcc7ce4 100644
--- a/.github/workflows/examples.yml
+++ b/.github/workflows/examples.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 15
+          node-version: 'lts/*'
       - name: Install production and development dependencies
         run: |
           npm install || npm install || npm install
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 01c768cd..66140cdf 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 15
+          node-version: 'lts/*'
       - name: Replace all GitHub links to individual packages with npm links
         run: |
           find . -type f -name '*.md' -print0 | xargs -0 sed -Ei 's/@stdlib\/([^:]*)\]: https:\/\/github.com\/stdlib-js/@stdlib\/\1\]: https:\/\/www.npmjs.com\/package\/@stdlib/g'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f9eb3216..5b784ccd 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -37,7 +37,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 15
+          node-version: 'lts/*'
       - name: Install production and development dependencies
         id: install
         run: |
diff --git a/.github/workflows/test_coverage.yml b/.github/workflows/test_coverage.yml
index dfcf1023..1610145e 100644
--- a/.github/workflows/test_coverage.yml
+++ b/.github/workflows/test_coverage.yml
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-node@v1
         with:
-          node-version: 15
+          node-version: 'lts/*'
       - name: Install production and development dependencies
         run: |
           npm install || npm install || npm install
diff --git a/.github/workflows/test_install.yml b/.github/workflows/test_install.yml
index ed16345d..64ea5f47 100644
--- a/.github/workflows/test_install.yml
+++ b/.github/workflows/test_install.yml
@@ -39,7 +39,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
         with:
-          node-version: 15
+          node-version: 'lts/*'
       - name: Install production dependencies via npm
         run: |
           npm install --only=prod || npm install --only=prod || npm install --only=prod
diff --git a/base/README.md b/base/README.md
index b9d5a959..6139cd9c 100644
--- a/base/README.md
+++ b/base/README.md
@@ -44,21 +44,28 @@ var o = ns;
 <div class="namespace-toc">
 
 -   <span class="signature">[`bind2vind( shape, strides, offset, order, idx, mode )`][@stdlib/ndarray/base/bind2vind]</span><span class="delimiter">: </span><span class="description">convert a linear index in an underlying data buffer to a linear index in an array view.</span>
+-   <span class="signature">[`broadcastArray( arr, shape )`][@stdlib/ndarray/base/broadcast-array]</span><span class="delimiter">: </span><span class="description">broadcast an ndarray to a specified shape.</span>
+-   <span class="signature">[`broadcastShapes( shapes )`][@stdlib/ndarray/base/broadcast-shapes]</span><span class="delimiter">: </span><span class="description">broadcast array shapes to a single shape.</span>
 -   <span class="signature">[`bufferCtors( dtype )`][@stdlib/ndarray/base/buffer-ctors]</span><span class="delimiter">: </span><span class="description">ndarray data buffer constructors.</span>
+-   <span class="signature">[`bufferDataTypeEnum( buffer )`][@stdlib/ndarray/base/buffer-dtype-enum]</span><span class="delimiter">: </span><span class="description">return the data type enumeration constant of an ndarray data buffer.</span>
 -   <span class="signature">[`bufferDataType( buffer )`][@stdlib/ndarray/base/buffer-dtype]</span><span class="delimiter">: </span><span class="description">return the data type of an ndarray data buffer.</span>
 -   <span class="signature">[`buffer( dtype, size )`][@stdlib/ndarray/base/buffer]</span><span class="delimiter">: </span><span class="description">create a zero-filled contiguous linear ndarray data buffer.</span>
 -   <span class="signature">[`bytesPerElement( dtype )`][@stdlib/ndarray/base/bytes-per-element]</span><span class="delimiter">: </span><span class="description">return the number of bytes per element provided an underlying array data type.</span>
 -   <span class="signature">[`clampIndex( idx, max )`][@stdlib/ndarray/base/clamp-index]</span><span class="delimiter">: </span><span class="description">restrict an index to the interval `[0,max]`.</span>
 -   <span class="signature">[`ndarray( dtype, buffer, shape, strides, offset, order )`][@stdlib/ndarray/base/ctor]</span><span class="delimiter">: </span><span class="description">create a multidimensional array.</span>
 -   <span class="signature">[`dtypeChar( dtype )`][@stdlib/ndarray/base/dtype-char]</span><span class="delimiter">: </span><span class="description">return the single letter abbreviation for an underlying array data type.</span>
+-   <span class="signature">[`dtypes2signatures( dtypes, nin, nout )`][@stdlib/ndarray/base/dtypes2signatures]</span><span class="delimiter">: </span><span class="description">transform a list of array argument data types into a list of signatures.</span>
 -   <span class="signature">[`ind( idx, max, mode )`][@stdlib/ndarray/base/ind]</span><span class="delimiter">: </span><span class="description">return an index given an index mode.</span>
 -   <span class="signature">[`ind2sub( shape, strides, offset, order, idx, mode )`][@stdlib/ndarray/base/ind2sub]</span><span class="delimiter">: </span><span class="description">convert a linear index to an array of subscripts.</span>
 -   <span class="signature">[`iterationOrder( strides )`][@stdlib/ndarray/base/iteration-order]</span><span class="delimiter">: </span><span class="description">given a stride array, determine array iteration order.</span>
 -   <span class="signature">[`maxViewBufferIndex( shape, strides, offset )`][@stdlib/ndarray/base/max-view-buffer-index]</span><span class="delimiter">: </span><span class="description">compute the maximum linear index in an underlying data buffer accessible to an array view.</span>
 -   <span class="signature">[`minViewBufferIndex( shape, strides, offset )`][@stdlib/ndarray/base/min-view-buffer-index]</span><span class="delimiter">: </span><span class="description">compute the minimum linear index in an underlying data buffer accessible to an array view.</span>
 -   <span class="signature">[`minmaxViewBufferIndex( shape, strides, offset )`][@stdlib/ndarray/base/minmax-view-buffer-index]</span><span class="delimiter">: </span><span class="description">compute the minimum and maximum linear indices in an underlying data buffer which are accessible to an array view.</span>
+-   <span class="signature">[`nonsingletonDimensions( shape )`][@stdlib/ndarray/base/nonsingleton-dimensions]</span><span class="delimiter">: </span><span class="description">return the number of non-singleton dimensions.</span>
 -   <span class="signature">[`numel( shape )`][@stdlib/ndarray/base/numel]</span><span class="delimiter">: </span><span class="description">return the number of elements in an array.</span>
+-   <span class="signature">[`serializeMetaData( x )`][@stdlib/ndarray/base/serialize-meta-data]</span><span class="delimiter">: </span><span class="description">serialize ndarray meta data.</span>
 -   <span class="signature">[`shape2strides( shape, order )`][@stdlib/ndarray/base/shape2strides]</span><span class="delimiter">: </span><span class="description">generate a stride array from an array shape.</span>
+-   <span class="signature">[`singletonDimensions( shape )`][@stdlib/ndarray/base/singleton-dimensions]</span><span class="delimiter">: </span><span class="description">return the number of singleton dimensions.</span>
 -   <span class="signature">[`strides2offset( shape, strides )`][@stdlib/ndarray/base/strides2offset]</span><span class="delimiter">: </span><span class="description">determine the index offset which specifies the location of the first indexed value in a multidimensional array based on a stride array.</span>
 -   <span class="signature">[`strides2order( strides )`][@stdlib/ndarray/base/strides2order]</span><span class="delimiter">: </span><span class="description">determine the order of a multidimensional array based on a provided stride array.</span>
 -   <span class="signature">[`sub2ind( shape, strides, offset, ...subscripts, mode )`][@stdlib/ndarray/base/sub2ind]</span><span class="delimiter">: </span><span class="description">convert subscripts to a linear index.</span>
@@ -113,8 +120,14 @@ console.log( objectKeys( ns ) );
 
 [@stdlib/ndarray/base/bind2vind]: https://github.com/stdlib-js/ndarray/tree/main/base/bind2vind
 
+[@stdlib/ndarray/base/broadcast-array]: https://github.com/stdlib-js/ndarray/tree/main/base/broadcast-array
+
+[@stdlib/ndarray/base/broadcast-shapes]: https://github.com/stdlib-js/ndarray/tree/main/base/broadcast-shapes
+
 [@stdlib/ndarray/base/buffer-ctors]: https://github.com/stdlib-js/ndarray/tree/main/base/buffer-ctors
 
+[@stdlib/ndarray/base/buffer-dtype-enum]: https://github.com/stdlib-js/ndarray/tree/main/base/buffer-dtype-enum
+
 [@stdlib/ndarray/base/buffer-dtype]: https://github.com/stdlib-js/ndarray/tree/main/base/buffer-dtype
 
 [@stdlib/ndarray/base/buffer]: https://github.com/stdlib-js/ndarray/tree/main/base/buffer
@@ -127,6 +140,8 @@ console.log( objectKeys( ns ) );
 
 [@stdlib/ndarray/base/dtype-char]: https://github.com/stdlib-js/ndarray/tree/main/base/dtype-char
 
+[@stdlib/ndarray/base/dtypes2signatures]: https://github.com/stdlib-js/ndarray/tree/main/base/dtypes2signatures
+
 [@stdlib/ndarray/base/ind]: https://github.com/stdlib-js/ndarray/tree/main/base/ind
 
 [@stdlib/ndarray/base/ind2sub]: https://github.com/stdlib-js/ndarray/tree/main/base/ind2sub
@@ -139,10 +154,16 @@ console.log( objectKeys( ns ) );
 
 [@stdlib/ndarray/base/minmax-view-buffer-index]: https://github.com/stdlib-js/ndarray/tree/main/base/minmax-view-buffer-index
 
+[@stdlib/ndarray/base/nonsingleton-dimensions]: https://github.com/stdlib-js/ndarray/tree/main/base/nonsingleton-dimensions
+
 [@stdlib/ndarray/base/numel]: https://github.com/stdlib-js/ndarray/tree/main/base/numel
 
+[@stdlib/ndarray/base/serialize-meta-data]: https://github.com/stdlib-js/ndarray/tree/main/base/serialize-meta-data
+
 [@stdlib/ndarray/base/shape2strides]: https://github.com/stdlib-js/ndarray/tree/main/base/shape2strides
 
+[@stdlib/ndarray/base/singleton-dimensions]: https://github.com/stdlib-js/ndarray/tree/main/base/singleton-dimensions
+
 [@stdlib/ndarray/base/strides2offset]: https://github.com/stdlib-js/ndarray/tree/main/base/strides2offset
 
 [@stdlib/ndarray/base/strides2order]: https://github.com/stdlib-js/ndarray/tree/main/base/strides2order