diff --git a/docs/dev_tools/index.md b/docs/dev_tools/index.md
new file mode 100644
index 0000000000000000000000000000000000000000..2d9c35800a61f19e1df910c57b9df199516f4b2d
--- /dev/null
+++ b/docs/dev_tools/index.md
@@ -0,0 +1,6 @@
+---
+title: Development Tools
+tags:
+- documentation
+- tools
+---
\ No newline at end of file
diff --git a/docs/new-features.md b/docs/new-features.md
index 18d61ff3d5e3f2d46fc96fedd808456869c25a5d..14182c57d7d45ee10fe55c3e50ae2438ac4a2e0e 100644
--- a/docs/new-features.md
+++ b/docs/new-features.md
@@ -1,10 +1,6 @@
-# New in version 2021.3.4: 
+# New in version 2021.12.15: 
 
 --------
-- [Ansible Wiki ELK Re-Indexing](ansible/wiki/elk/re-indexing.html)
-
-	> __
-
-- [Docker Node, Gulp SASS and BrowserSync](docker/node/gulp-sass.html)
+- [](dev_tools/index.md)
 
 	> __
diff --git a/docs/versions.txt b/docs/versions.txt
index 27739c0fcf1a9fc2f3d0a2062f763ff8c830712f..2d4f47cf03a4d75a0af713bbeb4d0dbb765aff97 100644
--- a/docs/versions.txt
+++ b/docs/versions.txt
@@ -13,3 +13,5 @@
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"ansible/roles/mysql-client/index.md", "ansible/roles/netdata/index.md", "ansible/roles/nextcloud/index.md", "ansible/roles/nginx/index.md", "ansible/roles/nodejs/index.md", "ansible/roles/openphoto/index.md", "ansible/roles/oracle/index.md", "ansible/roles/owncloud/index.md", "ansible/roles/packetbeat/index.md", "ansible/roles/photoprism/index.md", "ansible/roles/php/index.md", "ansible/roles/plantuml/index.md", "ansible/roles/radis/index.md", "ansible/roles/s3/index.md", "ansible/roles/satis/index.md", "ansible/roles/serverdensity/index.md", "ansible/roles/sftp/index.md", "ansible/roles/spideroak/index.md", "ansible/roles/suitecrm/index.md", "ansible/roles/svnserver/index.md", "ansible/roles/tomcat/index.md", "ansible/roles/uptime/index.md", "ansible/roles/user-management/index.md", "ansible/roles/varnish/index.md", "ansible/roles/virtualbox/index.md", "ansible/roles/vpn/index.md", "ansible/roles/wkhtmltopdf/index.md", "ansible/roles/youtrack/index.md", "ansible/roles/zabbix_agent/index.md", "ansible/roles/zammad/index.md", "ansible/wiki/index.md", "ansible/wiki/attacks.md", "ansible/wiki/configure-crontabs.md", "ansible/wiki/desaster-recovery.md", "ansible/wiki/drupal-apache-update.md", "ansible/wiki/drupal-deployment.md", "ansible/wiki/drush-fetch-aliases.md", "ansible/wiki/firewall.md", "ansible/wiki/gitlab-ci-configuration.md", "ansible/wiki/gitlab-ci-introduction.md", "ansible/wiki/gitlab-ci-prerequisites.md", "ansible/wiki/haproxy-custom-blacklists.md", "ansible/wiki/haproxy-quick-update.md", "ansible/wiki/letsencrypt.md", "ansible/wiki/resources.md", "ansible/wiki/swapfile.md", "ansible/wiki/user-add-new.md", "ansible/wiki/user-set-password.md", "ansible/wiki/varnish-quick-update.md", "ansible/wiki/backup/backup-google.md", "ansible/wiki/backup/backup-spideroak.md", "ansible/wiki/backup/backup.md", "ansible/wiki/backup/introduction.md", "ansible/wiki/backup/restore-google.md", "ansible/wiki/backup/restore-spideroak.md", "ansible/wiki/backup/restore.md", "ansible/wiki/elk/fluentd.md", "ansible/wiki/elk/introduction.md", "ansible/wiki/elk/kibana.md", "ansible/wiki/elk/re-indexing.md", "ansible/wiki/hosts/add.md", "ansible/wiki/hosts/jiffybox.md", "ansible/wiki/hosts/prevent-reboot.md", "ansible/wiki/inventory/add.md", "ansible/wiki/inventory/chatops.md", "ansible/wiki/inventory/pipelines.md", "ansible/wiki/monitoring/alerts-elk.md", "ansible/wiki/monitoring/alerts-netdata.md", "ansible/wiki/monitoring/alerts-uptime.md", "ansible/wiki/monitoring/alerts.md", "ansible/wiki/monitoring/introduction.md", "ansible/wiki/monitoring/monitoring.md", "ansible/wiki/openssl/csr.md", "ansible/wiki/tips/signed-git-commits.md", "composer/index.md", "composer/library/composer-json-utils/index.md", "composer/library/traefik/index.md", "composer/plugin/ahoy/index.md", "composer/plugin/b4d/index.md", "composer/plugin/d4d/index.md", "composer/plugin/d8-sass-theme/index.md", "composer/plugin/d8-scaffold/index.md", "composer/plugin/d9-scaffold/index.md", "composer/plugin/dorgflow/index.md", "composer/plugin/drupal-dev-environment/index.md", "composer/plugin/drupal-environment/index.md", "composer/project/d8/index.md", "composer/project/d8-commerce/index.md", "composer/project/d8-commerce-demo/index.md", "composer/project/d9/index.md", "dev_tools/index.md", "devops/alm/alm.md", "devops/alm/hosting_maintain.md", "devops/alm/tools.md", "docker/index.md", "docker/ansible/index.md", "docker/gitlab-drupal-ci/index.md", "docker/gitlab-drupal-ci/changelog.md", "docker/l3d/index.md", "docker/l3d/changelog.md", "docker/l3d/drupal.md", "docker/maven-build/index.md", "docker/node/index.md", "docker/node/gulp-sass.md", "gitlab/index.md", "gitlab/ansible/index.md", "gitlab/composer/index.md", "gitlab/drupal/index.md"]}
\ No newline at end of file
diff --git a/mkdocs.yml b/mkdocs.yml
index 8f3491e3c9f493cbb2b71eca4c3b83b21d1fe6ad..3dbbab89e4d707b0888dee9952cc6104bcf3602c 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -224,3 +224,5 @@ nav:
       - Introduction: devops/alm/alm.md
       - Hosting and Monitoring: devops/alm/hosting_maintain.md
       - Tools: devops/alm/tools.md
+  - Developer Tools:
+    - Home: dev_tools/index.md