diff --git a/data/sidebar.yml b/data/sidebar.yml
index 4d052b5..03318ba 100644
--- a/data/sidebar.yml
+++ b/data/sidebar.yml
@@ -2,6 +2,7 @@
   abs_href: "/"
   icon: fad fa-home
   active_id: home
+  has_new_until_utc: 0
 
 -
 
@@ -9,6 +10,7 @@
   abs_href: "/articles/"
   icon: fad fa-newspaper
   active_id: articles
+  has_new_until_utc: 0
 
 -
 
@@ -16,31 +18,37 @@
   abs_href: "/content/?tags=application;web"
   icon: fad fa-browser
   active_id: application
+  has_new_until_utc: 0
 
 - title_key: text.libraries
   abs_href: "/content/?tags=library"
   icon: fad fa-puzzle-piece
   active_id: library
+  has_new_until_utc: 0
 
 - title_key: text.electronics
   abs_href: "/content/?tags=electronic"
   icon: fad fa-microchip
   active_id: electronic
+  has_new_until_utc: 0
 
 - title_key: text.experiments
   abs_href: "/content/?tags=experiments"
   icon: fad fa-flask-vial
   active_id: electronic
+  has_new_until_utc: 0
 
 - title_key: text.tools
   abs_href: "/tools"
   icon: fad fa-toolbox
   active_id: tools
+  has_new_until_utc: 0
 
 - title_key: text.downloads
   raw_href: "https://files.nibblepoker.lu/"
   icon: fad fa-download
   active_id: ""
+  has_new_until_utc: 1760986472
 
 -
 
@@ -48,13 +56,16 @@
   abs_href: "/about"
   icon: fad fa-user
   active_id: about
+  has_new_until_utc: 0
 
 - title_key: text.contact
   abs_href: "/contact"
   icon: fad fa-mailbox
   active_id: ""
+  has_new_until_utc: 0
 
 - title_key: text.links
   abs_href: "/links"
   icon: fad fa-link
   active_id: links
+  has_new_until_utc: 0
diff --git a/data/strings/en/commons.yml b/data/strings/en/commons.yml
index d29aa2b..e9183a0 100644
--- a/data/strings/en/commons.yml
+++ b/data/strings/en/commons.yml
@@ -21,3 +21,5 @@ user-agent: User-Agent
 server: Server
 
 cpu.architecture: Architecture de CPU
+
+python: Python
diff --git a/data/strings/fr/commons.yml b/data/strings/fr/commons.yml
index c50a7af..5c98c95 100644
--- a/data/strings/fr/commons.yml
+++ b/data/strings/fr/commons.yml
@@ -21,3 +21,5 @@ user-agent: User-Agent
 server: Serveur
 
 cpu.architecture: CPU Architecture
+
+python: Python
diff --git a/data/strings/fr/sidebar.yml b/data/strings/fr/sidebar.yml
index b8879e7..e9bd837 100644
--- a/data/strings/fr/sidebar.yml
+++ b/data/strings/fr/sidebar.yml
@@ -12,7 +12,7 @@ text.libraries: Librairies
 text.electronics: Électronique
 text.experiments: Expériences
 text.3d-print: Impression 3D
-text.tools: Outils
+text.tools: Utilitaires
 text.links: Liens
 text.downloads: Téléchargements
 text.gitea: Dépôts Git
diff --git a/templates/base_www.jinja b/templates/base_www.jinja
index 6af4dbb..adebbed 100644
--- a/templates/base_www.jinja
+++ b/templates/base_www.jinja
@@ -78,6 +78,9 @@
                 <p class="t-size-18 t-w-500 py-xs sidebar-entry">
                     <i class="{{ sidebar_entry.icon }} pr-xs t-size-12 t-half-muted"></i>
                     <span class="t-size-12">{{ l10n(sidebar_entry.title_key, "sidebar", lang) }}</span>
+                    {% if sidebar_entry.has_new() %}
+                        <i class="fa-duotone fa-solid fa-sparkles ml-auto t-size-11 t-muted"></i>
+                    {% endif %}
                 </p>
             </a>
         {% else %}
diff --git a/website/sidebar.py b/website/sidebar.py
index 9007f65..375466e 100644
--- a/website/sidebar.py
+++ b/website/sidebar.py
@@ -1,4 +1,5 @@
 from dataclasses import dataclass, field
+from datetime import datetime, timezone
 from typing import Optional
 
 import yaml
@@ -9,9 +10,13 @@ class SidebarEntry:
     title_key: str
     icon: str
     active_id: str
+    has_new_until_utc: int
     abs_href: Optional[str] = field(default=None)
     raw_href: Optional[str] = field(default=None)
 
+    def has_new(self) -> bool:
+        return datetime.fromtimestamp(self.has_new_until_utc, tz=timezone.utc) > datetime.now(timezone.utc)
+
 
 __SIDEBAR_ENTRIES: list[Optional[SidebarEntry]] = list()