diff --git a/rules.services.yml b/rules.services.yml
index e2b9da28..27c9c02c 100644
--- a/rules.services.yml
+++ b/rules.services.yml
@@ -26,6 +26,9 @@ services:
   logger.channel.rules_debug:
     class: Drupal\rules\Logger\RulesDebugLoggerChannel
     arguments: ['@logger.channel.rules', '@config.factory', '@messenger']
+  logger.rules_debug_log:
+    class: Drupal\rules\Logger\RulesDebugLog
+    arguments: ['@session']
   logger.ruleslog:
     class: Drupal\rules\Logger\RulesLog
     arguments: ['@event_dispatcher', '@logger.log_message_parser']
diff --git a/src/Logger/RulesDebugLog.php b/src/Logger/RulesDebugLog.php
new file mode 100644
index 00000000..5a39894e
--- /dev/null
+++ b/src/Logger/RulesDebugLog.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace Drupal\rules\Logger;
+
+use Psr\Log\LoggerInterface;
+use Psr\Log\LoggerTrait;
+use Symfony\Component\HttpFoundation\Session\Session;
+
+/**
+ * Logger that stores Rules debug logs with the session service.
+ *
+ * This logger stores an array of Rules debug logs in the session under
+ * the attribute named 'rules_debug_log'.
+ */
+class RulesDebugLog implements LoggerInterface {
+  use LoggerTrait;
+
+  /**
+   * The session service.
+   *
+   * @var \Symfony\Component\HttpFoundation\Session\Session
+   */
+  protected $session;
+
+  /**
+   * Constructs a RulesDebugLog object.
+   *
+   * @param \Symfony\Component\HttpFoundation\Session\Session $session
+   *   The session service.
+   */
+  public function __construct(Session $session) {
+    $this->session = $session;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function log($level, $message, array $context = []) {
+    // Remove any backtraces since they may contain an unserializable variable.
+    unset($context['backtrace']);
+
+    $localCopy = $this->session->get('rules_debug_log', []);
+
+    // Append the new log to the $localCopy array.
+    // In D7:
+    // @code
+    //   logs[] = [$msg, $args, $priority, microtime(TRUE), $scope, $path];
+    // @endcode
+    $localCopy[] = [
+      'message' => $message,
+      'context' => $context,
+      /** @var \Psr\Log\LogLevel $level */
+      'level' => $level,
+      'timestamp' => $context['timestamp'],
+      'scope' => $context['scope'],
+      'path' => $context['path'],
+    ];
+
+    // Write the $localCopy array back into the session.
+    // It now includes the new log.
+    $this->session->set('rules_debug_log', $localCopy);
+  }
+
+  /**
+   * Returns a structured array of log entries.
+   *
+   * @return array
+   *   Array of stored log entries, keyed by an integer log line number. Each
+   *   element of the array contains the following keys:
+   *   - message: The log message, optionally with FormattedMarkup placeholders.
+   *   - context: An array of message placeholder replacements.
+   *   - level: \Psr\Log\LogLevel level.
+   *   - timestamp: Microtime timestamp in float format.
+   *   - scope: TRUE if there are nested logs for this entry.
+   *   - path: Path to edit this component.
+   */
+  public function getLogs() {
+    return (array) $this->session->get('rules_debug_log');
+  }
+
+  /**
+   * Clears the logs entries from the storage.
+   */
+  public function clearLogs() {
+    $this->session->remove('rules_debug_log');
+  }
+
+}