diff --git a/README.md b/README.md
index dfeb481a..f6fa751c 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ And you can customize these heavily with plugins, templates and hundreds of opti
         <img alt="" width="400" src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.isocalendar.fullyear.svg">
       </details>
       <details><summary>Half year isometric calendar</summary>
-        <img alt="" width="400" src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.isocalendar.fullyear.svg">
+        <img alt="" width="400" src="https://github.com/lowlighter/lowlighter/blob/master/metrics.plugin.isocalendar.svg">
       </details>
       <img width="900" height="1" alt="">
     </td>
@@ -463,7 +463,7 @@ Choose `📊 Metrics embed` if you want to customize your GitHub profile and `
 
 ### 🐙 Features
 
-* Create infographics from **36 plugins**, **4 templates** and **218 options**
+* Create infographics from **36 plugins**, **4 templates** and **219 options**
   * Even more **customization** with [community templates](source/templates/community) or by [forking this repository](https://github.com/lowlighter/metrics/network/members) and editing HTML/CSS/EJS
 * Support **users**, **organizations** and even **repositories**
 * Transparent by default so it'll blend well whether light or dark mode is used
@@ -794,7 +794,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <th nowrap="nowrap" align="center" title="⏰ WakaTime plugin">⏰</th>
     <th nowrap="nowrap" align="center" title="💹 Stock prices">💹</th>
     <th nowrap="nowrap" align="center" title="📸 Website screenshot">📸</th>
-    <th nowrap="nowrap" align="center" title="💉 Nightscout">💉</th>
   </tr>  
   <tr>
     <td nowrap="nowrap">📗 Classic template</td>    
@@ -834,7 +833,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✔️</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">✔️</td>
   </tr>
   <tr>
     <td nowrap="nowrap">📘 Repository template</td>    
@@ -874,7 +872,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">❌</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✔️</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">❌</td>
   </tr>
   <tr>
     <td nowrap="nowrap">📙 Terminal template</td>    
@@ -914,7 +911,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">❌</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">❌</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✔️</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">❌</td>
   </tr>
   <tr>
     <td nowrap="nowrap">📒 Markdown template</td>    
@@ -954,7 +950,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">✓</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">✓</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✓</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">✓</td>
   </tr>
   <tr>
     <td colspan="38"></td>
@@ -997,7 +992,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <th nowrap="nowrap" align="center" title="⏰ WakaTime plugin">⏰</th>
     <th nowrap="nowrap" align="center" title="💹 Stock prices">💹</th>
     <th nowrap="nowrap" align="center" title="📸 Website screenshot">📸</th>
-    <th nowrap="nowrap" align="center" title="💉 Nightscout">💉</th>
   </tr>  
   <tr>
     <td nowrap="nowrap">👤 User</td>    
@@ -1037,7 +1031,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✔️</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">✔️</td>
   </tr>
   <tr>
     <td nowrap="nowrap">👥 Organization</td>    
@@ -1077,7 +1070,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">❌</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✔️</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">❌</td>
   </tr>
   <tr>
     <td nowrap="nowrap">📓 Repository</td>    
@@ -1117,7 +1109,6 @@ https://my-personal-domain.com/my-github-user?base=0&base.repositories=1
     <td nowrap="nowrap" align="center" data-plugin="wakatime">❌</td>
     <td nowrap="nowrap" align="center" data-plugin="stock">✔️</td>
     <td nowrap="nowrap" align="center" data-plugin="screenshot">✔️</td>
-    <td nowrap="nowrap" align="center" data-plugin="nightscout">❌</td>
   </tr>
 </table>
 
@@ -1136,6 +1127,7 @@ See their respective documentation for more informations about how to setup them
 ## 🧩 Plugins
 
 Plugins are features which provide additional content and lets you customize your rendered metrics.
+
 See their respective documentation for more informations about how to setup them:
 
 * **Core**
@@ -1177,9 +1169,10 @@ See their respective documentation for more informations about how to setup them
   * [🐤 Latest tweets](/source/plugins/tweets/README.md)
   * [⏰ WakaTime plugin](/source/plugins/wakatime/README.md)
 * **Other**
-  * [💉 Nightscout](/source/plugins/nightscout/README.md)
   * [📸 Website screenshot](/source/plugins/screenshot/README.md)
   * [💹 Stock prices](/source/plugins/stock/README.md)
+* **Community** *(provided and maintained by contributors)*
+  * [💉 Nightscout](/source/plugins/nightscout/README.md) [@legoandmars](https://github.com/legoandmars)
 
 ### 🏦 Organizations metrics
 
diff --git a/action.yml b/action.yml
index 11a8f55a..fbb99fb3 100644
--- a/action.yml
+++ b/action.yml
@@ -127,7 +127,7 @@ inputs:
   # Some templates may not support this option
   optimize:
     description: SVG optimization
-    default: yes
+    default: css, xml
   
   # Setup additional templates from remote repositories
   setup_community_templates:
@@ -249,6 +249,7 @@ inputs:
     default: no
   
   # Experimental features
+  # Note that no backward compatibility are guaranteed for these features
   experimental_features:
     description: Experimental features
     default: ""
diff --git a/source/plugins/README.md b/source/plugins/README.md
index 3a470d6e..74e599d0 100644
--- a/source/plugins/README.md
+++ b/source/plugins/README.md
@@ -1,6 +1,7 @@
 ## 🧩 Plugins
 
 Plugins are features which provide additional content and lets you customize your rendered metrics.
+
 See their respective documentation for more informations about how to setup them:
 
 * **Core**
@@ -42,6 +43,7 @@ See their respective documentation for more informations about how to setup them
   * [🐤 Latest tweets](/source/plugins/tweets/README.md)
   * [⏰ WakaTime plugin](/source/plugins/wakatime/README.md)
 * **Other**
-  * [💉 Nightscout](/source/plugins/nightscout/README.md)
   * [📸 Website screenshot](/source/plugins/screenshot/README.md)
   * [💹 Stock prices](/source/plugins/stock/README.md)
+* **Community** *(provided and maintained by contributors)*
+  * [💉 Nightscout](/source/plugins/nightscout/README.md) [@legoandmars](https://github.com/legoandmars)