diff --git a/ChangeLog-4.php b/ChangeLog-4.php
index 4cf385924..2e8f797d4 100644
--- a/ChangeLog-4.php
+++ b/ChangeLog-4.php
@@ -3881,4 +3881,6 @@ More information on this release on <a href="/releases.php#4.0.0">our Releases p
 <li>First public beta of PHP 4.0</li>
 </ul>
 
-<?php site_footer(); ?>
+<?php
+
+site_footer(['sidebar' => changelog_sidebar(4)]);
diff --git a/ChangeLog-5.php b/ChangeLog-5.php
index 56b842380..110be660d 100644
--- a/ChangeLog-5.php
+++ b/ChangeLog-5.php
@@ -15957,4 +15957,6 @@ contents). (Zeev)</li>
 </ul>
 <!-- }}} --></section>
 
-<?php site_footer(); ?>
+<?php
+
+site_footer(['sidebar' => changelog_sidebar(5)]);
diff --git a/ChangeLog-7.php b/ChangeLog-7.php
index baf721b5a..9b34586fe 100644
--- a/ChangeLog-7.php
+++ b/ChangeLog-7.php
@@ -10231,4 +10231,6 @@ site_header("PHP 7 ChangeLog", array("current" => "docs", "css" => array("change
 </ul>
 <!-- }}} --></section>
 
-<?php site_footer(); ?>
+<?php
+
+site_footer(['sidebar' => changelog_sidebar(7)]);
diff --git a/ChangeLog-8.php b/ChangeLog-8.php
index fe401a42f..5d99ccc38 100644
--- a/ChangeLog-8.php
+++ b/ChangeLog-8.php
@@ -753,4 +753,6 @@ site_header("PHP 8 ChangeLog", array("current" => "docs", "css" => array("change
 </ul>
 <!-- }}} --></section>
 
-<?php site_footer();
+<?php
+
+site_footer(['sidebar' => changelog_sidebar(8)]);
diff --git a/include/changelogs.inc b/include/changelogs.inc
index d0f08440d..e868f9681 100644
--- a/include/changelogs.inc
+++ b/include/changelogs.inc
@@ -34,4 +34,15 @@ function release_date($in) {
     echo "<time class='releasedate' datetime='{$for_tools}'>{$human_readable}</time>";
 }
 
-?>
+function changelog_sidebar(?int $current = null): string {
+	$majors = [8, 7, 5, 4];
+	$ret = "<div class=\"panel\">ChangeLogs<div class=\"body\"><ul>\n";
+	foreach ($majors as $major) {
+		if ($major === $current) {
+			$ret .= "  <li><b>PHP {$major}.x</b></li>\n";
+		} else {
+			$ret .= "  <li><a href=\"/ChangeLog-{$major}.php\">PHP {$major}.x</a></li>\n";
+		}
+	}
+	return $ret .= "</ul></body></body>\n";
+}