diff --git a/README.md b/README.md
index 48b3346..57082aa 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,7 @@ si.cpu()
 
 (last 7 major and minor version releases)
 
+- Version 5.12.0: `cpu()` added performance and efficiency cores
 - Version 5.11.0: `networkInterfaces()` added default property and default parameter
 - Version 5.10.0: basic `android` support
 - Version 5.9.0: `graphics()` added properties (macOS)
@@ -207,8 +208,8 @@ Full function reference with examples can be found at [https://systeminformation
 | | governor | X | | | |  | e.g. 'powersave' |
 | | cores | X | X | X | X |  | # cores |
 | | physicalCores | X | X | X | X |  | # physical cores |
-| | efficiencyCores |   |   | X |  |  | # efficiancy cores (ARM only) |
-| | performanceCores |   |   | X |  |  | # performance cores (ARM only) |
+| | efficiencyCores | X |   | X |  |  | # efficiancy cores |
+| | performanceCores | X |   | X |  |  | # performance cores |
 | | processors | X | X | X | X |  | # processors |
 | | socket | X | X |  | X |  | socket type e.g. "LGA1356" |
 | | vendor | X | X | X | X |  | vendor ID |
diff --git a/docs/cpu.html b/docs/cpu.html
index a3eacb2..c029a1d 100644
--- a/docs/cpu.html
+++ b/docs/cpu.html
@@ -159,23 +159,23 @@
                     </tr>
                     <tr>
                       <td></td>
-                      <td>efficiencyCores</td>
-                      <td></td>
+                      <td>performanceCores</td>
+                      <td>X</td>
                       <td></td>
                       <td>X</td>
                       <td></td>
                       <td></td>
-                      <td># efficiency cores (ARM only)</td>
+                      <td># performance cores</td>
                     </tr>
                     <tr>
                       <td></td>
-                      <td>performanceCores</td>
-                      <td></td>
+                      <td>efficiencyCores</td>
+                      <td>X</td>
                       <td></td>
                       <td>X</td>
                       <td></td>
                       <td></td>
-                      <td># performance cores (ARM only)</td>
+                      <td># efficiency cores</td>
                     </tr>
                     <tr>
                       <td></td>
diff --git a/docs/history.html b/docs/history.html
index 5b8970c..b63c431 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.12.0</th>
+                      <td>2022-07-12</td>
+                      <td><span class="code">cpu()</span> added performance and efficiency cores</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.11.26</th>
                       <td>2022-07-12</td>
diff --git a/docs/index.html b/docs/index.html
index 20e3ee7..2ac862b 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -170,7 +170,7 @@
       <img class="logo" src="assets/logo.png">
       <div class="title">systeminformation</div>
       <div class="subtitle"><span id="typed"></span>&nbsp;</div>
-      <div class="version">New Version: <span id="version">5.11.26</span></div>
+      <div class="version">New Version: <span id="version">5.12.0</span></div>
       <button class="btn btn-light" onclick="location.href='https://github.com/sebhildebrandt/systeminformation'">View on Github <i class=" fab fa-github"></i></button>
     </div>
     <div class="down">