diff --git a/docusaurus.config.js b/docusaurus.config.js
index e7d7f3418..640fb79d1 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -1,4 +1,5 @@
 const path = require("path");
+const platformEnterpriseVersions = require("./platform-enterprise_versions.json");
 import "dotenv/config";
 import platform_enterprise_latest_version from "./platform-enterprise_latest_version.js";
 import {
@@ -7,6 +8,14 @@ import {
   getSeqeraPresetOptions
 } from "@seqera/docusaurus-preset-seqera";
 
+// Build the search filter_by dynamically so old platform-enterprise versions are
+// excluded automatically whenever a new version is added to versions.json.
+// versions.json is ordered newest-first; index 0 is the current/latest version.
+const oldEnterpriseVersionTags = platformEnterpriseVersions
+  .slice(1)
+  .map((v) => `docs-platform-enterprise-${v}`);
+const searchFilterBy = `docusaurus_tag:!=[default,doc_tag_doc_list,blog_posts_list,blog_tags_posts,doc_tags_list,blog_tags_list${oldEnterpriseVersionTags.length ? `,${oldEnterpriseVersionTags.join(",")}` : ""}]`;
+
 export default async function createConfigAsync() {
 
   const changelog = {
@@ -415,14 +424,29 @@ export default async function createConfigAsync() {
         },
         typesenseSearchParameters: {
           query_by: 'content,hierarchy.lvl0,hierarchy.lvl1,hierarchy.lvl2,hierarchy.lvl3',
-          group_by: 'url_without_anchor',
+          group_by: 'url',
           group_limit: 1,
-          num_typos: 1,
+          per_page: 20,
+          num_typos: 2,
           prioritize_exact_match: true,
-          filter_by: 'docusaurus_tag:!=[default,doc_tag_doc_list,blog_posts_list,blog_tags_posts,doc_tags_list,blog_tags_list]', // TODO Remove once the scraper is updated
+          filter_by: searchFilterBy, // Old platform-enterprise versions excluded automatically via searchFilterBy above
         },
         contextualSearch: false,
         placeholder: 'Search Seqera docs...',
+        // Override default productRoutes to fix the Nextflow tag.
+        // The default uses 'docs-default-current' but the Typesense index
+        // has 'docs-nextflow-current'.
+        productRoutes: [
+          ['/platform-enterprise/', 'Platform Enterprise', 'platform-enterprise', null],
+          ['/platform-cloud/', 'Platform Cloud', 'platform-cloud', null],
+          ['/platform-cli/', 'Platform CLI', 'platform-cli', null],
+          ['/platform-api/', 'Platform API', 'platform-api', null],
+          ['/nextflow/', 'Nextflow', null, 'docs-nextflow-current'],
+          ['/multiqc/', 'MultiQC', 'multiqc', null],
+          ['/wave/', 'Wave', 'wave', null],
+          ['/fusion/', 'Fusion', 'fusion', null],
+          ['/changelog/', 'Changelog', null, null],
+        ],
       },
       prism: {
         additionalLanguages: [
diff --git a/package-lock.json b/package-lock.json
index 65f95aafd..6f55fff2a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "dependencies": {
         "@docusaurus/faster": "^3.9.2",
         "@rspack/core": "^1.4.11",
-        "@seqera/docusaurus-preset-seqera": "^1.0.25",
+        "@seqera/docusaurus-preset-seqera": "^1.0.26",
         "image-size": "^2.0.2",
         "postcss-import": "^16.1.1",
         "postcss-loader": "^8.1.1",
@@ -5785,9 +5785,9 @@
       "license": "MIT"
     },
     "node_modules/@seqera/docusaurus-preset-seqera": {
-      "version": "1.0.25",
-      "resolved": "https://registry.npmjs.org/@seqera/docusaurus-preset-seqera/-/docusaurus-preset-seqera-1.0.25.tgz",
-      "integrity": "sha512-/pt7JRdP2XBCA0lu6f1eUaAIsEMTJ4T0di9VFs2SxhSx8f+FIaAsOPfaSj51qAOuCDZpNu0JyzmdrvWi5yfEkw==",
+      "version": "1.0.26",
+      "resolved": "https://registry.npmjs.org/@seqera/docusaurus-preset-seqera/-/docusaurus-preset-seqera-1.0.26.tgz",
+      "integrity": "sha512-IpScJZHH3ebYmDKEpOwFN0aRQtdLQKR5TukrGg/X+UIYsrtp/1lJuieGD3MqVtPOFppyGeYhGnMSSBP/J/h9Vw==",
       "license": "Apache-2.0",
       "dependencies": {
         "@docusaurus/core": "3.9.2",
@@ -5804,7 +5804,7 @@
         "@docusaurus/theme-common": "3.9.2",
         "@docusaurus/theme-search-algolia": "3.9.2",
         "@docusaurus/types": "3.9.2",
-        "@seqera/docusaurus-theme-seqera": "1.0.25",
+        "@seqera/docusaurus-theme-seqera": "1.0.26",
         "@tailwindcss/oxide": "^4.1.17",
         "docusaurus-plugin-llms": "^0.3.0",
         "docusaurus-plugin-openapi-docs": "^4.5.1",
@@ -5825,9 +5825,9 @@
       }
     },
     "node_modules/@seqera/docusaurus-theme-seqera": {
-      "version": "1.0.25",
-      "resolved": "https://registry.npmjs.org/@seqera/docusaurus-theme-seqera/-/docusaurus-theme-seqera-1.0.25.tgz",
-      "integrity": "sha512-f5mFYeZfP7br3qbCl8mN3H7nr0sGOUqvBeOo/1OIgBr44jWnGb9s1A0Y8cDVUldHuN8f9WszhedO2zKdCTo2oA==",
+      "version": "1.0.26",
+      "resolved": "https://registry.npmjs.org/@seqera/docusaurus-theme-seqera/-/docusaurus-theme-seqera-1.0.26.tgz",
+      "integrity": "sha512-vxOdXvXTb4x0s8JWvEQN59wpES2tpzFNjaU9P3BK7V3RmKZWvI1PnqotZgJCscKcIhMdVa7BaakAiBxkCNuBiw==",
       "license": "Apache-2.0",
       "dependencies": {
         "@docusaurus/core": "3.9.2",
@@ -5845,6 +5845,7 @@
         "@docusaurus/utils-validation": "3.9.2",
         "@mdx-js/react": "^3.0.0",
         "@tailwindcss/postcss": "^4.1.17",
+        "algoliasearch-helper": "^3.0.0",
         "clsx": "^2.0.0",
         "infima": "0.2.0-alpha.45",
         "lodash": "^4.17.21",
@@ -5857,6 +5858,7 @@
         "rtlcss": "^4.1.0",
         "tailwindcss": "^4.1.17",
         "tslib": "^2.6.0",
+        "typesense-instantsearch-adapter": "^2.0.0",
         "utility-types": "^3.10.0"
       },
       "engines": {
diff --git a/package.json b/package.json
index d54cb438d..012de1897 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
   "dependencies": {
     "@docusaurus/faster": "^3.9.2",
     "@rspack/core": "^1.4.11",
-    "@seqera/docusaurus-preset-seqera": "^1.0.25",
+    "@seqera/docusaurus-preset-seqera": "^1.0.26",
     "image-size": "^2.0.2",
     "postcss-import": "^16.1.1",
     "postcss-loader": "^8.1.1",