docs publication prelim

Author: ShashiSubramanya

modules/ROOT/pages/whats-new.adoc

@@ -8,6 +8,10 @@
 
 This page lists new features, enhancements, and deprecated functionality in ThoughtSpot Embedded instances.
 
+== Version 26.4.0.cl
+
+ThoughtSpot Cloud 26.4.0.cl release version is now available! For information about the new features and enhancements introduced in this release, see link:https://developers.thoughtspot.com/docs/26.4.0.cl?pageid=whats-new[26.3.0.cl Developer Documentation, windows=_blank].
+
 == Version 26.3.0.cl
 
 === ThoughtSpot integration with Amazon S3 storage for webhook delivery

src/configs/doc-configs.js

@@ -22,8 +22,8 @@ module.exports = {
         //   'https://developers.thoughtspot.com/docs/26.3.0.cl?pageid=whats-new'
         // - GA: ' /docs/whats-new'
         //linkHref: '/docs/whats-new',
-        linkHref: '/docs/26.3.0.cl?pageid=whats-new',
-        linkText: 'Version 26.3.0.cl',
+        linkHref: '/docs/26.4.0.cl?pageid=whats-new',
+        linkText: 'Version 26.4.0.cl',
         openInNewTab: true,
     },
     TYPE_DOC_PREFIX: 'typedoc',
@@ -47,11 +47,17 @@ module.exports = {
         DEV: 'dev',
     },
     VERSION_DROPDOWN: [
-	{
+	    {
             label: '26.3.0.cl',
             link: ' ',
             subLabel: 'Cloud (Latest)',
             iframeUrl: 'https://developer-docs-26-3-0-cl.vercel.app/docs/',
+        },
+	    {
+            label: '26.4.0.cl',
+            link: '26.4.0.cl',
+            subLabel: 'Coming soon',
+            iframeUrl: 'https://developer-docs-26-4-0-cl.vercel.app/docs/',
         },
         {
             label: '26.2.0.cl',