diff --git a/website/customFields.ts b/website/customFields.ts
new file mode 100644
index 0000000..8836189
--- /dev/null
+++ b/website/customFields.ts
@@ -0,0 +1,96 @@
+// DO NOT EDIT!
+// Automatically generated from docusaurus-template-liquid/templates/docusaurus.
+
+import { fileURLToPath } from 'node:url';
+import path from 'node:path';
+import fs from 'node:fs';
+
+// ----------------------------------------------------------------------------
+
+export function getCustomFields() {
+  const pwd = fileURLToPath(import.meta.url);
+  // console.log(pwd);
+
+  // First get the version from the top package.json.
+  const topFilePath = path.join(path.dirname(path.dirname(pwd)), 'package.json');
+  // console.log(filePath);
+  const topFileContent = fs.readFileSync(topFilePath);
+
+  const topPackageJson = JSON.parse(topFileContent.toString());
+  const releaseVersion = topPackageJson.version.replace(/[.-]pre/, '');
+
+  console.log(`package version: ${topPackageJson.version}`);
+
+  let versionFields;
+
+  if (topPackageJson.xpack && !releaseVersion.startsWith('0.0.0')) {
+    // Remove the first part, up to the last dot.
+    const npmSubversion = releaseVersion.replace(/^.*[.]/, '');
+
+    // Remove from the last dot to the end.
+    const xpackVersion = releaseVersion.replace(/[.][0-9]*$/, '');
+
+    // Remove the pre-release.
+    const xpackSemver = xpackVersion.replace(/[-].*$/, '');
+
+    // Remove the first part, up to the dash.
+    const xpackSubversion = xpackVersion.replace(/^.*[-]/, '');
+
+    let upstreamVersion = xpackSemver;
+    if (xpackSemver.endsWith('.0')) {
+      // Remove the patch number if zero (wine uses both 2 and 3 numbers).
+      upstreamVersion = xpackSemver.replace(/[.]0*$/, '');
+    }
+
+    versionFields = {
+      releaseVersion,
+      xpackVersion,
+      xpackSemver,
+      xpackSubversion,
+      npmSubversion,
+      upstreamVersion,
+    }
+  } else {
+    versionFields = {
+      releaseVersion
+    }
+  }
+
+  let engineVersionFields;
+
+  if (topPackageJson?.engines?.node) {
+    const enginesNodeVersion = topPackageJson.engines.node.replace(/[^0-9]*/, '') || '';
+    const enginesNodeVersionMajor = enginesNodeVersion.replace(/[.].*/, '');
+    engineVersionFields = {
+      enginesNodeVersion,
+      enginesNodeVersionMajor
+    }
+  } else {
+    engineVersionFields = {};
+  }
+
+  const docusaurusFields = {
+    docusaurusVersion: require('@docusaurus/core/package.json').version,
+    buildTime: new Date().getTime(),
+  }
+
+  let websiteFields = {};
+  try {
+    const websiteFilePath = path.join(path.dirname(path.dirname(pwd)), 'website', 'package.json');
+    // console.log(filePath);
+    const websiteFileContent = fs.readFileSync(websiteFilePath);
+    const websitePackageJson = JSON.parse(websiteFileContent.toString());
+    websiteFields = websitePackageJson?.websiteConfig?.customFields ?? {};
+  } catch (error) {
+    // Most probably there is no website/package.json.
+  }
+
+  return {
+    ...versionFields,
+    ...engineVersionFields,
+    ...docusaurusFields,
+    ...websiteFields,
+  }
+}
+
+// ----------------------------------------------------------------------------
diff --git a/website/docs/developer/_common/_platform-docker-section.mdx b/website/docs/developer/_common/_platform-docker-section.mdx
index 5f7a892..1b6a81d 100644
--- a/website/docs/developer/_common/_platform-docker-section.mdx
+++ b/website/docs/developer/_common/_platform-docker-section.mdx
@@ -47,8 +47,8 @@ or, for more verbosity, run the similar development build:
 archive and its SHA signature, created in
 the <code>build-assets/build/{props.platform}/deploy</code> folder:
 
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz</code>
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz.sha</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz.sha</code>
 
 To rerun the build, invoke the **deep-clean** action and repeat from install:
 
diff --git a/website/docs/developer/_common/_platform-native-section.mdx b/website/docs/developer/_common/_platform-native-section.mdx
index 0ff81da..77fb700 100644
--- a/website/docs/developer/_common/_platform-native-section.mdx
+++ b/website/docs/developer/_common/_platform-native-section.mdx
@@ -44,8 +44,8 @@ or, for more verbosity, run the similar development build:
 archive and its SHA signature, created in
 the <code>build-assets/build/{props.platform}/deploy</code> folder:
 
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz</code>
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz.sha</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz.sha</code>
 
 To rerun the build, invoke the **deep-clean** action and repeat from install:
 
diff --git a/website/docs/install/_folders-hierarchies-linux.mdx b/website/docs/install/_folders-hierarchies-linux.mdx
index a5bc29e..b47e183 100644
--- a/website/docs/install/_folders-hierarchies-linux.mdx
+++ b/website/docs/install/_folders-hierarchies-linux.mdx
@@ -6,8 +6,8 @@ import customField from '@site/src/libs/customField';
 {/* ------------------------------------------------------------------------ */}
 
 <CodeBlock language="console"> {
-`$ tree -L 2 ~/.local/xPacks/\@xpack-dev-tools/realpath/${customField('version')}/.content/
-/home/ilg/.local/xPacks/\@xpack-dev-tools/realpath/${customField('version')}/.content/
+`$ tree -L 2 ~/.local/xPacks/\@xpack-dev-tools/realpath/${customField('releaseVersion')}/.content/
+/home/ilg/.local/xPacks/\@xpack-dev-tools/realpath/${customField('releaseVersion')}/.content/
 ├── README.md
 ├── bin
 │   ├── greadlink
diff --git a/website/docs/install/_folders-hierarchies-macos.mdx b/website/docs/install/_folders-hierarchies-macos.mdx
index 91acffc..e5967c1 100644
--- a/website/docs/install/_folders-hierarchies-macos.mdx
+++ b/website/docs/install/_folders-hierarchies-macos.mdx
@@ -6,8 +6,8 @@ import customField from '@site/src/libs/customField';
 {/* ------------------------------------------------------------------------ */}
 
 <CodeBlock language="console"> {
-`$ tree -L 2 ~/Library/xPacks/\@xpack-dev-tools/realpath/${customField('version')}/.content/
-/Users/ilg/Library/xPacks/\@xpack-dev-tools/realpath/${customField('version')}/.content/
+`$ tree -L 2 ~/Library/xPacks/\@xpack-dev-tools/realpath/${customField('releaseVersion')}/.content/
+/Users/ilg/Library/xPacks/\@xpack-dev-tools/realpath/${customField('releaseVersion')}/.content/
 ├── README.md
 ├── bin
 │   ├── greadlink
diff --git a/website/docs/install/index.mdx b/website/docs/install/index.mdx
index c89f3ad..6a610cf 100644
--- a/website/docs/install/index.mdx
+++ b/website/docs/install/index.mdx
@@ -246,7 +246,7 @@ The command to install the **latest** available version of **realpath** is:
 To install a **specific version**, specify it explicitly:
 
 <CodeBlock language="sh"> {
-`xpm install @xpack-dev-tools/realpath@${customField('version')} --verbose
+`xpm install @xpack-dev-tools/realpath@${customField('releaseVersion')} --verbose
 `} </CodeBlock>
 
 <Tabs groupId="operating-systems">
diff --git a/website/docs/maintainer/_common/_platform-docker-build.mdx b/website/docs/maintainer/_common/_platform-docker-build.mdx
index 872adf9..5ccbb6b 100644
--- a/website/docs/maintainer/_common/_platform-docker-build.mdx
+++ b/website/docs/maintainer/_common/_platform-docker-build.mdx
@@ -41,8 +41,8 @@ xpm run docker-build-development --config ${props.platform} -C ~/Work/xpack-dev-
 archive and its SHA signature, created in
 the <code>build-assets/build/{props.platform}/deploy</code> folder:
 
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.{props.platform === 'win32-x64' ? 'zip' : 'tar.gz'}</code>
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.{props.platform === 'win32-x64' ? 'zip' : 'tar.gz'}.sha</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.{props.platform === 'win32-x64' ? 'zip' : 'tar.gz'}</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.{props.platform === 'win32-x64' ? 'zip' : 'tar.gz'}.sha</code>
 
 To update the build scripts and build the release binaries:
 
diff --git a/website/docs/maintainer/_common/_platform-native-build.mdx b/website/docs/maintainer/_common/_platform-native-build.mdx
index 7edc725..99c67fe 100644
--- a/website/docs/maintainer/_common/_platform-native-build.mdx
+++ b/website/docs/maintainer/_common/_platform-native-build.mdx
@@ -40,8 +40,8 @@ xpm run build-development --config ${props.platform} -C ~/Work/xpack-dev-tools/r
 archive and its SHA signature, created in
 the <code>build-assets/build/{props.platform}/deploy</code> folder:
 
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz</code>
-* <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz.sha</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz</code>
+- <code>xpack-realpath-{customField('xpackVersion')}-{props.platform}.tar.gz.sha</code>
 
 To update the build scripts and build the release binaries:
 
diff --git a/website/docs/user/_common/_arm-toolchain-versioning.mdx b/website/docs/user/_common/_arm-toolchain-versioning.mdx
index e5952ab..2db7a96 100644
--- a/website/docs/user/_common/_arm-toolchain-versioning.mdx
+++ b/website/docs/user/_common/_arm-toolchain-versioning.mdx
@@ -20,14 +20,14 @@ upstream **Arm GNU Toolchain** project is a bit unusual and unstable in time,
 (like <code>{versionMajor()}.{versionMinor()}.Rel1</code>)
 therefore the upstream GCC version is preferred, which
 is a three number string
-like <code>{customField('xpackVersion')}</code>;
+like <code>{customField('xpackSemver')}</code>;
 to this string the xPack distribution adds a fourth number that represents
 the Arm release with the same GCC release, and a fifth number
 that represents the xPack release of the same Arm release;
 since [SemVer](https://semver.org) allows only three numbers,
 all additional ones can
 be added only as pre-release strings, separated by a dash,
-like <code>{customField('xpackVersion')}-<b>{customField('xpackSubversion')}</b></code>. When
+like <code>{customField('xpackSemver')}-<b>{customField('xpackSubversion')}</b></code>. When
 published as a npm package, the version gets
 a sixth number,
 like <code>{customField('xpackVersion')}.<b>{customField('npmSubversion')}</b></code>.
diff --git a/website/docs/user/_common/_versioning.mdx b/website/docs/user/_common/_versioning.mdx
index 1c5f344..a503adc 100644
--- a/website/docs/user/_common/_versioning.mdx
+++ b/website/docs/user/_common/_versioning.mdx
@@ -15,15 +15,15 @@ import LinksVsForwarders from '@site/src/components/LinksVsForwarders'
 The version string used by the
 upstream {props.upstreamName ? props.upstreamName : 'GNU realpath'} project
 is a three number string
-like <code>{customField('xpackVersion')}</code>;
+like <code>{customField('xpackSemver')}</code>;
 to this string the xPack distribution adds a fourth number,
 but since [SemVer](https://semver.org) allows only three numbers,
 all additional ones can
 be added only as pre-release strings, separated by a dash,
-like <code>{customField('xpackVersion')}</code>. When
+like <code>{customField('xpackSemver')}-<b>{customField('xpackSubversion')}</b></code>. When
 published as a npm package, the version gets
 a fifth number,
-like <code>{customField('xpackVersion')}.{customField('npmSubversion')}</code>.
+like <code>{customField('xpackVersion')}.<b>{customField('npmSubversion')}</b></code>.
 
 Since adherence of third party packages to SemVer is not guaranteed,
 it is recommended to avoid referring to the xPack GNU realpath dependency via
diff --git a/website/docusaurus.config.ts b/website/docusaurus.config.ts
index ee308c4..1a6b39f 100644
--- a/website/docusaurus.config.ts
+++ b/website/docusaurus.config.ts
@@ -8,74 +8,13 @@ import type * as Preset from '@docusaurus/preset-classic';
 import util from 'node:util';
 
 import {redirects} from './docusaurus-config-redirects'
+import {getCustomFields} from './customFields'
 
 // The node.js modules cannot be used in modules imported in browser code:
 // webpack < 5 used to include polyfills for node.js core modules by default.
 // so the entire initialisation code must be in this file, that is
 // not processed by webpack.
 
-import {fileURLToPath} from 'node:url';
-import path from 'node:path';
-import fs from 'node:fs';
-
-// ----------------------------------------------------------------------------
-
-function getCustomFields() {
-  const pwd = fileURLToPath(import.meta.url);
-  // console.log(pwd);
-
-  // First get the version from the top package.json.
-  const topFilePath = path.join(path.dirname(path.dirname(pwd)), 'package.json');
-  // console.log(filePath);
-  const topFileContent = fs.readFileSync(topFilePath);
-
-  const topPackageJson = JSON.parse(topFileContent.toString());
-  const jsonVersion = topPackageJson.version.replace(/[.-]pre/, '');
-
-  console.log(`package version: ${topPackageJson.version}`);
-
-  // Remove the first part, up to the last dot.
-  const npmSubversion = jsonVersion.replace(/^.*[.]/, '');
-
-  // Remove from the last dot to the end.
-  const xpackVersion = jsonVersion.replace(/[.][0-9]*$/, '');
-
-  // Remove the pre-release.
-  const xpackSemver = xpackVersion.replace(/[-].*$/, '');
-
-  // Remove the first part, up to the dash.
-  const xpackSubversion = xpackVersion.replace(/^.*[-]/, '');
-
-  let websitePackageJson = {}
-  try {
-    const websiteFilePath = path.join(path.dirname(path.dirname(pwd)), 'website', 'package.json');
-    // console.log(filePath);
-    const websiteFileContent = fs.readFileSync(websiteFilePath);
-    websitePackageJson = JSON.parse(websiteFileContent.toString());
-  } catch (error) {
-  }
-
-  const customFields = websitePackageJson?.websiteConfig?.customFields ?? {};
-
-  let upstreamVersion = xpackSemver;
-  if (xpackSemver.endsWith('.0')) {
-    // Remove the patch number if zero (wine uses both 2 and 3 numbers).
-    upstreamVersion = xpackSemver.replace(/[.]0*$/, '');
-  }
-
-  return {
-    version: jsonVersion,
-    xpackVersion,
-    xpackSemver,
-    xpackSubversion,
-    npmSubversion,
-    upstreamVersion,
-    docusaurusVersion: require('@docusaurus/core/package.json').version,
-    buildTime: new Date().getTime(),
-    ...customFields,
-  }
-}
-
 // ----------------------------------------------------------------------------
 
 const customFields = getCustomFields();
diff --git a/website/src/pages/index.tsx b/website/src/pages/index.tsx
index ecb185f..6bf3fcd 100644
--- a/website/src/pages/index.tsx
+++ b/website/src/pages/index.tsx
@@ -34,7 +34,7 @@ function HomepageHeader() {
         <p className="hero__subtitle">{siteConfig.tagline}</p>
 
         <div className={styles.installWithCopy}>
-          <InstallWithCopy>xpm install @xpack-dev-tools/realpath@{customField('version')} --verbose</InstallWithCopy>
+          <InstallWithCopy>xpm install @xpack-dev-tools/realpath@{customField('releaseVersion')} --verbose</InstallWithCopy>
         </div>
 
       </div>