diff --git a/info.xml b/info.xml
index 0dc1e69..f3d0caa 100644
--- a/info.xml
+++ b/info.xml
@@ -14,8 +14,8 @@
     <url desc="Support">http://FIXME</url>
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
-  <releaseDate>2022-09-22</releaseDate>
-  <version>1.1</version>
+  <releaseDate>2023-11-02</releaseDate>
+  <version>1.2</version>
   <develStage>stable</develStage>
   <compatibility>
     <ver>5.51</ver>
@@ -23,6 +23,10 @@
   <comments>This extension allows you to define a second read only database connection for load balancing. Operations that do not need to write to the database will use it</comments>
   <civix>
     <namespace>CRM/Rpow</namespace>
-    <format>22.05.2</format>
+    <format>23.02.1</format>
   </civix>
+  <classloader>
+    <psr0 prefix="CRM_" path="."/>
+    <psr4 prefix="Civi\" path="Civi"/>
+  </classloader>
 </extension>
diff --git a/rpow.civix.php b/rpow.civix.php
index eb6d3fa..b5b7019 100644
--- a/rpow.civix.php
+++ b/rpow.civix.php
@@ -79,40 +79,22 @@ public static function findClass($suffix) {
 
 use CRM_Rpow_ExtensionUtil as E;
 
-function _rpow_civix_mixin_polyfill() {
-  if (!class_exists('CRM_Extension_MixInfo')) {
-    $polyfill = __DIR__ . '/mixin/polyfill.php';
-    (require $polyfill)(E::LONG_NAME, E::SHORT_NAME, E::path());
-  }
-}
-
 /**
  * (Delegated) Implements hook_civicrm_config().
  *
  * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_config
  */
-function _rpow_civix_civicrm_config(&$config = NULL) {
+function _rpow_civix_civicrm_config($config = NULL) {
   static $configured = FALSE;
   if ($configured) {
     return;
   }
   $configured = TRUE;
 
-  $template = CRM_Core_Smarty::singleton();
-
   $extRoot = __DIR__ . DIRECTORY_SEPARATOR;
-  $extDir = $extRoot . 'templates';
-
-  if (is_array($template->template_dir)) {
-    array_unshift($template->template_dir, $extDir);
-  }
-  else {
-    $template->template_dir = [$extDir, $template->template_dir];
-  }
-
   $include_path = $extRoot . PATH_SEPARATOR . get_include_path();
   set_include_path($include_path);
-  _rpow_civix_mixin_polyfill();
+  // Based on <compatibility>, this does not currently require mixin/polyfill.php.
 }
 
 /**
@@ -122,36 +104,7 @@ function _rpow_civix_civicrm_config(&$config = NULL) {
  */
 function _rpow_civix_civicrm_install() {
   _rpow_civix_civicrm_config();
-  if ($upgrader = _rpow_civix_upgrader()) {
-    $upgrader->onInstall();
-  }
-  _rpow_civix_mixin_polyfill();
-}
-
-/**
- * Implements hook_civicrm_postInstall().
- *
- * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_postInstall
- */
-function _rpow_civix_civicrm_postInstall() {
-  _rpow_civix_civicrm_config();
-  if ($upgrader = _rpow_civix_upgrader()) {
-    if (is_callable([$upgrader, 'onPostInstall'])) {
-      $upgrader->onPostInstall();
-    }
-  }
-}
-
-/**
- * Implements hook_civicrm_uninstall().
- *
- * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_uninstall
- */
-function _rpow_civix_civicrm_uninstall() {
-  _rpow_civix_civicrm_config();
-  if ($upgrader = _rpow_civix_upgrader()) {
-    $upgrader->onUninstall();
-  }
+  // Based on <compatibility>, this does not currently require mixin/polyfill.php.
 }
 
 /**
@@ -159,59 +112,9 @@ function _rpow_civix_civicrm_uninstall() {
  *
  * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_enable
  */
-function _rpow_civix_civicrm_enable() {
-  _rpow_civix_civicrm_config();
-  if ($upgrader = _rpow_civix_upgrader()) {
-    if (is_callable([$upgrader, 'onEnable'])) {
-      $upgrader->onEnable();
-    }
-  }
-  _rpow_civix_mixin_polyfill();
-}
-
-/**
- * (Delegated) Implements hook_civicrm_disable().
- *
- * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_disable
- * @return mixed
- */
-function _rpow_civix_civicrm_disable() {
+function _rpow_civix_civicrm_enable(): void {
   _rpow_civix_civicrm_config();
-  if ($upgrader = _rpow_civix_upgrader()) {
-    if (is_callable([$upgrader, 'onDisable'])) {
-      $upgrader->onDisable();
-    }
-  }
-}
-
-/**
- * (Delegated) Implements hook_civicrm_upgrade().
- *
- * @param $op string, the type of operation being performed; 'check' or 'enqueue'
- * @param $queue CRM_Queue_Queue, (for 'enqueue') the modifiable list of pending up upgrade tasks
- *
- * @return mixed
- *   based on op. for 'check', returns array(boolean) (TRUE if upgrades are pending)
- *   for 'enqueue', returns void
- *
- * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_upgrade
- */
-function _rpow_civix_civicrm_upgrade($op, CRM_Queue_Queue $queue = NULL) {
-  if ($upgrader = _rpow_civix_upgrader()) {
-    return $upgrader->onUpgrade($op, $queue);
-  }
-}
-
-/**
- * @return CRM_Rpow_Upgrader
- */
-function _rpow_civix_upgrader() {
-  if (!file_exists(__DIR__ . '/CRM/Rpow/Upgrader.php')) {
-    return NULL;
-  }
-  else {
-    return CRM_Rpow_Upgrader_Base::instance();
-  }
+  // Based on <compatibility>, this does not currently require mixin/polyfill.php.
 }
 
 /**
@@ -230,8 +133,8 @@ function _rpow_civix_insert_navigation_menu(&$menu, $path, $item) {
   if (empty($path)) {
     $menu[] = [
       'attributes' => array_merge([
-        'label'      => CRM_Utils_Array::value('name', $item),
-        'active'     => 1,
+        'label' => $item['name'] ?? NULL,
+        'active' => 1,
       ], $item),
     ];
     return TRUE;
@@ -295,14 +198,3 @@ function _rpow_civix_fixNavigationMenuItems(&$nodes, &$maxNavID, $parentID) {
     }
   }
 }
-
-/**
- * (Delegated) Implements hook_civicrm_entityTypes().
- *
- * Find any *.entityType.php files, merge their content, and return.
- *
- * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_entityTypes
- */
-function _rpow_civix_civicrm_entityTypes(&$entityTypes) {
-  $entityTypes = array_merge($entityTypes, []);
-}
diff --git a/rpow.php b/rpow.php
index 048eec9..6bb4bdd 100644
--- a/rpow.php
+++ b/rpow.php
@@ -123,24 +123,6 @@ function rpow_civicrm_install() {
   _rpow_civix_civicrm_install();
 }
 
-/**
- * Implements hook_civicrm_postInstall().
- *
- * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_postInstall
- */
-function rpow_civicrm_postInstall() {
-  _rpow_civix_civicrm_postInstall();
-}
-
-/**
- * Implements hook_civicrm_uninstall().
- *
- * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_uninstall
- */
-function rpow_civicrm_uninstall() {
-  _rpow_civix_civicrm_uninstall();
-}
-
 /**
  * Implements hook_civicrm_enable().
  *
@@ -150,35 +132,6 @@ function rpow_civicrm_enable() {
   _rpow_civix_civicrm_enable();
 }
 
-/**
- * Implements hook_civicrm_disable().
- *
- * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_disable
- */
-function rpow_civicrm_disable() {
-  _rpow_civix_civicrm_disable();
-}
-
-/**
- * Implements hook_civicrm_upgrade().
- *
- * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_upgrade
- */
-function rpow_civicrm_upgrade($op, CRM_Queue_Queue $queue = NULL) {
-  return _rpow_civix_civicrm_upgrade($op, $queue);
-}
-
-/**
- * Implements hook_civicrm_entityTypes().
- *
- * Declare entity types provided by this module.
- *
- * @link http://wiki.civicrm.org/confluence/display/CRMDOC/hook_civicrm_entityTypes
- */
-function rpow_civicrm_entityTypes(&$entityTypes) {
-  _rpow_civix_civicrm_entityTypes($entityTypes);
-}
-
 // --- Functions below this ship commented out. Uncomment as required. ---
 
 /**