diff --git a/CRM/TwingleCampaign/BAO/TwingleEvent.php b/CRM/TwingleCampaign/BAO/TwingleEvent.php
index faf609b..4248c1d 100644
--- a/CRM/TwingleCampaign/BAO/TwingleEvent.php
+++ b/CRM/TwingleCampaign/BAO/TwingleEvent.php
@@ -219,15 +219,13 @@ class CRM_TwingleCampaign_BAO_TwingleEvent extends Campaign {
   private
   static function matchContact(string $names, string $email): ?int {
     $names = StringOps::split_names($names); // Hopefully just a temporary solution
-    $firstnames = $names['firstnames'] ?? NULL;
-    $lastname = $names['lastname'] ?? NULL;
-    $display_name = $names['display_name'] ?? NULL;
+    $firstnames = $names['firstnames'];
+    $lastname = $names['lastname'];
     try {
       $contact = civicrm_api3('Contact', 'getorcreate', [
         'xcm_profile' => Civi::settings()->get('twinglecampaign_xcm_profile'),
         'first_name'  => $firstnames,
         'last_name'   => $lastname,
-        'display_name' => $display_name,
         'email'       => $email,
       ]);
       return (int) $contact['id'];
diff --git a/CRM/TwingleCampaign/Exceptions/TwingleCampaignException.php b/CRM/TwingleCampaign/Exceptions/TwingleCampaignException.php
index 61baf6b..0f99555 100644
--- a/CRM/TwingleCampaign/Exceptions/TwingleCampaignException.php
+++ b/CRM/TwingleCampaign/Exceptions/TwingleCampaignException.php
@@ -1,8 +1,8 @@
 <?php
 
 /*
- * A simple custom exception that indicates a problem within the TwingleCampaign class
+ * A simple custom exception that indicates a problem with the TwingleCampaign class
  */
 class CRM_TwingleCampaign_Exceptions_TwingleCampaignException extends Exception {
 
-}
+}
\ No newline at end of file
diff --git a/CRM/TwingleCampaign/Upgrader.php b/CRM/TwingleCampaign/Upgrader.php
index 10d1e1f..09e7401 100644
--- a/CRM/TwingleCampaign/Upgrader.php
+++ b/CRM/TwingleCampaign/Upgrader.php
@@ -11,7 +11,7 @@ use CRM_TwingleCampaign_ExtensionUtil as E;
 /**
  * Collection of upgrade steps.
  */
-class CRM_TwingleCampaign_Upgrader extends CRM_Extension_Upgrader_Base {
+class CRM_TwingleCampaign_Upgrader extends CRM_TwingleCampaign_Upgrader_Base {
 
   /**
    * This update function checks whether all custom fields defined in
@@ -96,7 +96,7 @@ class CRM_TwingleCampaign_Upgrader extends CRM_Extension_Upgrader_Base {
           [1 => $e->getMessage()]
         ),
         E::ts('Scheduled Job'),
-        'error'
+        error
       );
     }
 
diff --git a/CRM/TwingleCampaign/Upgrader/Base.php b/CRM/TwingleCampaign/Upgrader/Base.php
new file mode 100644
index 0000000..c5e6ef0
--- /dev/null
+++ b/CRM/TwingleCampaign/Upgrader/Base.php
@@ -0,0 +1,376 @@
+<?php
+
+// AUTO-GENERATED FILE -- Civix may overwrite any changes made to this file
+use CRM_TwingleCampaign_ExtensionUtil as E;
+
+/**
+ * Base class which provides helpers to execute upgrade logic
+ */
+class CRM_TwingleCampaign_Upgrader_Base {
+
+  /**
+   * @var varies, subclass of this
+   */
+  static $instance;
+
+  /**
+   * @var CRM_Queue_TaskContext
+   */
+  protected $ctx;
+
+  /**
+   * @var string, eg 'com.example.myextension'
+   */
+  protected $extensionName;
+
+  /**
+   * @var string, full path to the extension's source tree
+   */
+  protected $extensionDir;
+
+  /**
+   * @var array(revisionNumber) sorted numerically
+   */
+  private $revisions;
+
+  /**
+   * @var boolean
+   *   Flag to clean up extension revision data in civicrm_setting
+   */
+  private $revisionStorageIsDeprecated = FALSE;
+
+  /**
+   * Obtain a reference to the active upgrade handler.
+   */
+  static public function instance() {
+    if (!self::$instance) {
+      // FIXME auto-generate
+      self::$instance = new CRM_TwingleCampaign_Upgrader(
+        'de.forumzfd.twinglecampaign',
+        realpath(__DIR__ . '/../../../')
+      );
+    }
+    return self::$instance;
+  }
+
+  /**
+   * Adapter that lets you add normal (non-static) member functions to the queue.
+   *
+   * Note: Each upgrader instance should only be associated with one
+   * task-context; otherwise, this will be non-reentrant.
+   *
+   * @code
+   * CRM_TwingleCampaign_Upgrader_Base::_queueAdapter($ctx, 'methodName', 'arg1', 'arg2');
+   * @endcode
+   */
+  static public function _queueAdapter() {
+    $instance = self::instance();
+    $args = func_get_args();
+    $instance->ctx = array_shift($args);
+    $instance->queue = $instance->ctx->queue;
+    $method = array_shift($args);
+    return call_user_func_array(array($instance, $method), $args);
+  }
+
+  public function __construct($extensionName, $extensionDir) {
+    $this->extensionName = $extensionName;
+    $this->extensionDir = $extensionDir;
+  }
+
+  // ******** Task helpers ********
+
+  /**
+   * Run a CustomData file.
+   *
+   * @param string $relativePath the CustomData XML file path (relative to this extension's dir)
+   * @return bool
+   */
+  public function executeCustomDataFile($relativePath) {
+    $xml_file = $this->extensionDir . '/' . $relativePath;
+    return $this->executeCustomDataFileByAbsPath($xml_file);
+  }
+
+  /**
+   * Run a CustomData file
+   *
+   * @param string $xml_file  the CustomData XML file path (absolute path)
+   *
+   * @return bool
+   */
+  protected static function executeCustomDataFileByAbsPath($xml_file) {
+    $import = new CRM_Utils_Migrate_Import();
+    $import->run($xml_file);
+    return TRUE;
+  }
+
+  /**
+   * Run a SQL file.
+   *
+   * @param string $relativePath the SQL file path (relative to this extension's dir)
+   *
+   * @return bool
+   */
+  public function executeSqlFile($relativePath) {
+    CRM_Utils_File::sourceSQLFile(
+      CIVICRM_DSN,
+      $this->extensionDir . DIRECTORY_SEPARATOR . $relativePath
+    );
+    return TRUE;
+  }
+
+  /**
+   * @param string $tplFile
+   *   The SQL file path (relative to this extension's dir).
+   *   Ex: "sql/mydata.mysql.tpl".
+   * @return bool
+   */
+  public function executeSqlTemplate($tplFile) {
+    // Assign multilingual variable to Smarty.
+    $upgrade = new CRM_Upgrade_Form();
+
+    $tplFile = CRM_Utils_File::isAbsolute($tplFile) ? $tplFile : $this->extensionDir . DIRECTORY_SEPARATOR . $tplFile;
+    $smarty = CRM_Core_Smarty::singleton();
+    $smarty->assign('domainID', CRM_Core_Config::domainID());
+    CRM_Utils_File::sourceSQLFile(
+      CIVICRM_DSN, $smarty->fetch($tplFile), NULL, TRUE
+    );
+    return TRUE;
+  }
+
+  /**
+   * Run one SQL query.
+   *
+   * This is just a wrapper for CRM_Core_DAO::executeSql, but it
+   * provides syntatic sugar for queueing several tasks that
+   * run different queries
+   */
+  public function executeSql($query, $params = array()) {
+    // FIXME verify that we raise an exception on error
+    CRM_Core_DAO::executeQuery($query, $params);
+    return TRUE;
+  }
+
+  /**
+   * Syntatic sugar for enqueuing a task which calls a function in this class.
+   *
+   * The task is weighted so that it is processed
+   * as part of the currently-pending revision.
+   *
+   * After passing the $funcName, you can also pass parameters that will go to
+   * the function. Note that all params must be serializable.
+   */
+  public function addTask($title) {
+    $args = func_get_args();
+    $title = array_shift($args);
+    $task = new CRM_Queue_Task(
+      array(get_class($this), '_queueAdapter'),
+      $args,
+      $title
+    );
+    return $this->queue->createItem($task, array('weight' => -1));
+  }
+
+  // ******** Revision-tracking helpers ********
+
+  /**
+   * Determine if there are any pending revisions.
+   *
+   * @return bool
+   */
+  public function hasPendingRevisions() {
+    $revisions = $this->getRevisions();
+    $currentRevision = $this->getCurrentRevision();
+
+    if (empty($revisions)) {
+      return FALSE;
+    }
+    if (empty($currentRevision)) {
+      return TRUE;
+    }
+
+    return ($currentRevision < max($revisions));
+  }
+
+  /**
+   * Add any pending revisions to the queue.
+   */
+  public function enqueuePendingRevisions(CRM_Queue_Queue $queue) {
+    $this->queue = $queue;
+
+    $currentRevision = $this->getCurrentRevision();
+    foreach ($this->getRevisions() as $revision) {
+      if ($revision > $currentRevision) {
+        $title = ts('Upgrade %1 to revision %2', array(
+          1 => $this->extensionName,
+          2 => $revision,
+        ));
+
+        // note: don't use addTask() because it sets weight=-1
+
+        $task = new CRM_Queue_Task(
+          array(get_class($this), '_queueAdapter'),
+          array('upgrade_' . $revision),
+          $title
+        );
+        $this->queue->createItem($task);
+
+        $task = new CRM_Queue_Task(
+          array(get_class($this), '_queueAdapter'),
+          array('setCurrentRevision', $revision),
+          $title
+        );
+        $this->queue->createItem($task);
+      }
+    }
+  }
+
+  /**
+   * Get a list of revisions.
+   *
+   * @return array(revisionNumbers) sorted numerically
+   */
+  public function getRevisions() {
+    if (!is_array($this->revisions)) {
+      $this->revisions = array();
+
+      $clazz = new ReflectionClass(get_class($this));
+      $methods = $clazz->getMethods();
+      foreach ($methods as $method) {
+        if (preg_match('/^upgrade_(.*)/', $method->name, $matches)) {
+          $this->revisions[] = $matches[1];
+        }
+      }
+      sort($this->revisions, SORT_NUMERIC);
+    }
+
+    return $this->revisions;
+  }
+
+  public function getCurrentRevision() {
+    $revision = CRM_Core_BAO_Extension::getSchemaVersion($this->extensionName);
+    if (!$revision) {
+      $revision = $this->getCurrentRevisionDeprecated();
+    }
+    return $revision;
+  }
+
+  private function getCurrentRevisionDeprecated() {
+    $key = $this->extensionName . ':version';
+    if ($revision = CRM_Core_BAO_Setting::getItem('Extension', $key)) {
+      $this->revisionStorageIsDeprecated = TRUE;
+    }
+    return $revision;
+  }
+
+  public function setCurrentRevision($revision) {
+    CRM_Core_BAO_Extension::setSchemaVersion($this->extensionName, $revision);
+    // clean up legacy schema version store (CRM-19252)
+    $this->deleteDeprecatedRevision();
+    return TRUE;
+  }
+
+  private function deleteDeprecatedRevision() {
+    if ($this->revisionStorageIsDeprecated) {
+      $setting = new CRM_Core_BAO_Setting();
+      $setting->name = $this->extensionName . ':version';
+      $setting->delete();
+      CRM_Core_Error::debug_log_message("Migrated extension schema revision ID for {$this->extensionName} from civicrm_setting (deprecated) to civicrm_extension.\n");
+    }
+  }
+
+  // ******** Hook delegates ********
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_install
+   */
+  public function onInstall() {
+    $files = glob($this->extensionDir . '/sql/*_install.sql');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        CRM_Utils_File::sourceSQLFile(CIVICRM_DSN, $file);
+      }
+    }
+    $files = glob($this->extensionDir . '/sql/*_install.mysql.tpl');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        $this->executeSqlTemplate($file);
+      }
+    }
+    $files = glob($this->extensionDir . '/xml/*_install.xml');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        $this->executeCustomDataFileByAbsPath($file);
+      }
+    }
+    if (is_callable(array($this, 'install'))) {
+      $this->install();
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_postInstall
+   */
+  public function onPostInstall() {
+    $revisions = $this->getRevisions();
+    if (!empty($revisions)) {
+      $this->setCurrentRevision(max($revisions));
+    }
+    if (is_callable(array($this, 'postInstall'))) {
+      $this->postInstall();
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_uninstall
+   */
+  public function onUninstall() {
+    $files = glob($this->extensionDir . '/sql/*_uninstall.mysql.tpl');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        $this->executeSqlTemplate($file);
+      }
+    }
+    if (is_callable(array($this, 'uninstall'))) {
+      $this->uninstall();
+    }
+    $files = glob($this->extensionDir . '/sql/*_uninstall.sql');
+    if (is_array($files)) {
+      foreach ($files as $file) {
+        CRM_Utils_File::sourceSQLFile(CIVICRM_DSN, $file);
+      }
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_enable
+   */
+  public function onEnable() {
+    // stub for possible future use
+    if (is_callable(array($this, 'enable'))) {
+      $this->enable();
+    }
+  }
+
+  /**
+   * @see https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_disable
+   */
+  public function onDisable() {
+    // stub for possible future use
+    if (is_callable(array($this, 'disable'))) {
+      $this->disable();
+    }
+  }
+
+  public function onUpgrade($op, CRM_Queue_Queue $queue = NULL) {
+    switch ($op) {
+      case 'check':
+        return array($this->hasPendingRevisions());
+
+      case 'enqueue':
+        return $this->enqueuePendingRevisions($queue);
+
+      default:
+    }
+  }
+
+}
diff --git a/CRM/TwingleCampaign/Utils/APIWrapper.php b/CRM/TwingleCampaign/Utils/APIWrapper.php
index 06ff396..5afe426 100644
--- a/CRM/TwingleCampaign/Utils/APIWrapper.php
+++ b/CRM/TwingleCampaign/Utils/APIWrapper.php
@@ -40,8 +40,8 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
       $response_copy = $response;
 
       // Create soft credit for contribution
-      if (array_key_exists('contribution', $response)) {
-        $contribution = array_shift($response_copy['contribution']);
+      if (array_key_exists('contribution', $response['values'])) {
+        $contribution = array_shift($response_copy['values']['contribution']);
         if (array_key_exists('campaign_id', $contribution)) {
           try {
             $twingle_event = civicrm_api3(
@@ -49,7 +49,7 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
               'getsingle',
               ['id' => $contribution['campaign_id']]
             );
-            $response['soft_credit'] =
+            $response['values']['soft_credit'] =
               self::createSoftCredit($contribution, $twingle_event)['values'];
             $event->setResponse($response);
           } catch (CiviCRM_API3_Exception $e) {
@@ -58,8 +58,8 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
         }
       }
       // Create soft credit for sepa mandate
-      elseif (array_key_exists('sepa_mandate', $response)) {
-        $sepa_mandate = array_pop($response_copy['sepa_mandate']);
+      elseif (array_key_exists('sepa_mandate', $response['values'])) {
+        $sepa_mandate = array_pop($response_copy['values']['sepa_mandate']);
 
         try {
           $contribution = civicrm_api3(
@@ -84,7 +84,7 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
               'getsingle',
               ['id' => $contribution['contribution_campaign_id']]
             );
-            $response['soft_credit'] =
+            $response['values']['soft_credit'] =
               self::createSoftCredit($contribution, $twingle_event)['values'];
             $event->setResponse($response);
           } catch (CiviCRM_API3_Exception $e) {
@@ -103,12 +103,12 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
    * the de.systopia.twingle extension can include the campaign into the
    * contribution which it will create.
    *
-   * @param array $apiRequest
-   * @param callable $callsame
+   * @param $apiRequest
+   * @param $callsame
    *
    * @return mixed
    */
-  public static function mapDonation(array $apiRequest, callable $callsame) {
+  public function mapDonation($apiRequest, $callsame) {
 
     if (array_key_exists(
       'campaign_id',
@@ -129,7 +129,11 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
         }
       }
     }
-    elseif (!empty($apiRequest['params']['custom_fields']['event'])) {
+    elseif (array_key_exists(
+        'event',
+        $apiRequest['params']['custom_fields']) &&
+      !empty($apiRequest['params']['custom_fields']['event'])
+    ) {
       try {
         $targetCampaign = civicrm_api3(
           'TwingleEvent',
@@ -200,9 +204,7 @@ class CRM_TwingleCampaign_Utils_APIWrapper {
           'contribution_id' => $contribution['id'],
         ]
       );
-
-      throw $e;
     }
   }
 
-}
+}
\ No newline at end of file
diff --git a/CRM/TwingleCampaign/Utils/StringOperations.php b/CRM/TwingleCampaign/Utils/StringOperations.php
index 98e6657..19c0fd3 100644
--- a/CRM/TwingleCampaign/Utils/StringOperations.php
+++ b/CRM/TwingleCampaign/Utils/StringOperations.php
@@ -49,7 +49,7 @@ class CRM_TwingleCampaign_Utils_StringOperations {
       $firstnames = implode(" ", $names);
       return ['firstnames' => $firstnames, 'lastname' => $lastname];
     }
-    return ['display_name' => $string];
+    return $string;
   }
 
   /**
@@ -71,4 +71,4 @@ class CRM_TwingleCampaign_Utils_StringOperations {
   public static function startsWith($haystack, $needle): bool {
     return substr_compare($haystack, $needle, 0, strlen($needle)) === 0;
   }
-}
+}
\ No newline at end of file
diff --git a/api/v3/TwingleProject/Sync.php b/api/v3/TwingleProject/Sync.php
index ca72d0e..aed3d2a 100644
--- a/api/v3/TwingleProject/Sync.php
+++ b/api/v3/TwingleProject/Sync.php
@@ -193,8 +193,8 @@ function civicrm_api3_twingle_project_Sync(array $params): array {
     foreach ($projects_from_civicrm['values'] as $project_from_civicrm) {
       if (
         !in_array($project_from_civicrm['project_id'],
-        array_column($projects_from_twingle, 'id'),
-        ) && $project_from_civicrm['is_active'] == 1) {
+        array_column($projects_from_twingle, 'id')
+        )) {
         // store campaign id in $id
         $id = $project_from_civicrm['id'];
         unset($project_from_civicrm['id']);
diff --git a/info.xml b/info.xml
index c94db40..5c2e000 100644
--- a/info.xml
+++ b/info.xml
@@ -5,23 +5,25 @@
   <description>Manage Twingle projects and events as campaigns in CiviCRM</description>
   <license>AGPL-3.0</license>
   <maintainer>
-    <author>Marc Koch</author>
-    <email>marc.koch@propeace.de</email>
+    <author>Marc Michalsky</author>
+    <email>michalsky@forumzfd.de</email>
   </maintainer>
   <urls>
-    <url desc="Main Extension Page">https://lab.civicrm.org/Marc_Koch/de-forumzfd-twinglecampaign</url>
-    <url desc="Documentation">https://lab.civicrm.org/Marc_Koch/de-forumzfd-twinglecampaign</url>
-    <url desc="Support">https://lab.civicrm.org/Marc_Koch/de-forumzfd-twinglecampaign/-/issues</url>
+    <url desc="Main Extension Page">https://lab.civicrm.org/Marc_Michalsky/de-forumzfd-twinglecampaign</url>
+    <url desc="Documentation">https://lab.civicrm.org/Marc_Michalsky/de-forumzfd-twinglecampaign</url>
+    <url desc="Support">https://lab.civicrm.org/Marc_Michalsky/de-forumzfd-twinglecampaign/-/issues</url>
     <url desc="Licensing">http://www.gnu.org/licenses/agpl-3.0.html</url>
   </urls>
-  <releaseDate>2024-06-15</releaseDate>
-  <version>1.1.0-beta</version>
-  <develStage>beta</develStage>
+  <releaseDate>2023-02-28</releaseDate>
+  <version>1.0.5</version>
+  <develStage>stable</develStage>
   <compatibility>
-    <ver>5.74</ver>
+    <ver>5.14.0</ver>
   </compatibility>
+  <comments/>
   <requires>
     <ext>de.systopia.xcm</ext>
+    <ext>de.systopia.campaign</ext>
     <ext>de.systopia.twingle</ext>
   </requires>
   <classloader>
@@ -30,11 +32,9 @@
   </classloader>
   <civix>
     <namespace>CRM/TwingleCampaign</namespace>
-    <format>24.09.1</format>
+    <format>22.10.0</format>
   </civix>
   <mixins>
     <mixin>menu-xml@1.0.0</mixin>
-    <mixin>smarty@1.0.3</mixin>
   </mixins>
-  <upgrader>CRM_TwingleCampaign_Upgrader</upgrader>
 </extension>
diff --git a/mixin/lib/civimix-schema@5.78.beta1.phar b/mixin/lib/civimix-schema@5.78.beta1.phar
deleted file mode 100644
index 079ec36..0000000
Binary files a/mixin/lib/civimix-schema@5.78.beta1.phar and /dev/null differ
diff --git a/mixin/menu-xml@1.0.0.mixin.php b/mixin/menu-xml@1.0.0.mixin.php
new file mode 100644
index 0000000..4c0b227
--- /dev/null
+++ b/mixin/menu-xml@1.0.0.mixin.php
@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * Auto-register "xml/Menu/*.xml" files.
+ *
+ * @mixinName menu-xml
+ * @mixinVersion 1.0.0
+ *
+ * @param CRM_Extension_MixInfo $mixInfo
+ *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
+ * @param \CRM_Extension_BootCache $bootCache
+ *   On newer deployments, this will be an instance of MixInfo. On older deployments, Civix may polyfill with a work-a-like.
+ */
+return function ($mixInfo, $bootCache) {
+
+  /**
+   * @param \Civi\Core\Event\GenericHookEvent $e
+   * @see CRM_Utils_Hook::xmlMenu()
+   */
+  Civi::dispatcher()->addListener('hook_civicrm_xmlMenu', function ($e) use ($mixInfo) {
+    if (!$mixInfo->isActive()) {
+      return;
+    }
+
+    $files = (array) glob($mixInfo->getPath('xml/Menu/*.xml'));
+    foreach ($files as $file) {
+      $e->files[] = $file;
+    }
+  });
+
+};
diff --git a/mixin/polyfill.php b/mixin/polyfill.php
new file mode 100644
index 0000000..f57c5eb
--- /dev/null
+++ b/mixin/polyfill.php
@@ -0,0 +1,101 @@
+<?php
+
+/**
+ * When deploying on systems that lack mixin support, fake it.
+ *
+ * @mixinFile polyfill.php
+ *
+ * This polyfill does some (persnickity) deduplication, but it doesn't allow upgrades or shipping replacements in core.
+ *
+ * Note: The polyfill.php is designed to be copied into extensions for interoperability. Consequently, this file is
+ * not used 'live' by `civicrm-core`. However, the file does need a canonical home, and it's convenient to keep it
+ * adjacent to the actual mixin files.
+ *
+ * @param string $longName
+ * @param string $shortName
+ * @param string $basePath
+ */
+return function ($longName, $shortName, $basePath) {
+  // Construct imitations of the mixin services. These cannot work as well (e.g. with respect to
+  // number of file-reads, deduping, upgrading)... but they should be OK for a few months while
+  // the mixin services become available.
+
+  // List of active mixins; deduped by version
+  $mixinVers = [];
+  foreach ((array) glob($basePath . '/mixin/*.mixin.php') as $f) {
+    [$name, $ver] = explode('@', substr(basename($f), 0, -10));
+    if (!isset($mixinVers[$name]) || version_compare($ver, $mixinVers[$name], '>')) {
+      $mixinVers[$name] = $ver;
+    }
+  }
+  $mixins = [];
+  foreach ($mixinVers as $name => $ver) {
+    $mixins[] = "$name@$ver";
+  }
+
+  // Imitate CRM_Extension_MixInfo.
+  $mixInfo = new class() {
+
+    /**
+     * @var string
+     */
+    public $longName;
+
+    /**
+     * @var string
+     */
+    public $shortName;
+
+    public $_basePath;
+
+    public function getPath($file = NULL) {
+      return $this->_basePath . ($file === NULL ? '' : (DIRECTORY_SEPARATOR . $file));
+    }
+
+    public function isActive() {
+      return \CRM_Extension_System::singleton()->getMapper()->isActiveModule($this->shortName);
+    }
+
+  };
+  $mixInfo->longName = $longName;
+  $mixInfo->shortName = $shortName;
+  $mixInfo->_basePath = $basePath;
+
+  // Imitate CRM_Extension_BootCache.
+  $bootCache = new class() {
+
+    public function define($name, $callback) {
+      $envId = \CRM_Core_Config_Runtime::getId();
+      $oldExtCachePath = \Civi::paths()->getPath("[civicrm.compile]/CachedExtLoader.{$envId}.php");
+      $stat = stat($oldExtCachePath);
+      $file = Civi::paths()->getPath('[civicrm.compile]/CachedMixin.' . md5($name . ($stat['mtime'] ?? 0)) . '.php');
+      if (file_exists($file)) {
+        return include $file;
+      }
+      else {
+        $data = $callback();
+        file_put_contents($file, '<' . "?php\nreturn " . var_export($data, 1) . ';');
+        return $data;
+      }
+    }
+
+  };
+
+  // Imitate CRM_Extension_MixinLoader::run()
+  // Parse all live mixins before trying to scan any classes.
+  global $_CIVIX_MIXIN_POLYFILL;
+  foreach ($mixins as $mixin) {
+    // If the exact same mixin is defined by multiple exts, just use the first one.
+    if (!isset($_CIVIX_MIXIN_POLYFILL[$mixin])) {
+      $_CIVIX_MIXIN_POLYFILL[$mixin] = include_once $basePath . '/mixin/' . $mixin . '.mixin.php';
+    }
+  }
+  foreach ($mixins as $mixin) {
+    // If there's trickery about installs/uninstalls/resets, then we may need to register a second time.
+    if (!isset(\Civi::$statics[__FUNCTION__][$mixin])) {
+      \Civi::$statics[__FUNCTION__][$mixin] = 1;
+      $func = $_CIVIX_MIXIN_POLYFILL[$mixin];
+      $func($mixInfo, $bootCache);
+    }
+  }
+};
diff --git a/twinglecampaign.civix.php b/twinglecampaign.civix.php
index 31e9480..f9ec727 100644
--- a/twinglecampaign.civix.php
+++ b/twinglecampaign.civix.php
@@ -75,43 +75,14 @@ class CRM_TwingleCampaign_ExtensionUtil {
     return self::CLASS_PREFIX . '_' . str_replace('\\', '_', $suffix);
   }
 
-  /**
-   * @return \CiviMix\Schema\SchemaHelperInterface
-   */
-  public static function schema() {
-    if (!isset($GLOBALS['CiviMixSchema'])) {
-      pathload()->loadPackage('civimix-schema@5', TRUE);
-    }
-    return $GLOBALS['CiviMixSchema']->getHelper(static::LONG_NAME);
-  }
-
 }
 
 use CRM_TwingleCampaign_ExtensionUtil as E;
 
-pathload()->addSearchDir(__DIR__ . '/mixin/lib');
-spl_autoload_register('_twinglecampaign_civix_class_loader', TRUE, TRUE);
-
-function _twinglecampaign_civix_class_loader($class) {
-  if ($class === 'CRM_TwingleCampaign_DAO_Base') {
-    if (version_compare(CRM_Utils_System::version(), '5.74.beta', '>=')) {
-      class_alias('CRM_Core_DAO_Base', 'CRM_TwingleCampaign_DAO_Base');
-      // ^^ Materialize concrete names -- encourage IDE's to pick up on this association.
-    }
-    else {
-      $realClass = 'CiviMix\\Schema\\Twinglecampaign\\DAO';
-      class_alias($realClass, $class);
-      // ^^ Abstract names -- discourage IDE's from picking up on this association.
-    }
-    return;
-  }
-
-  // This allows us to tap-in to the installation process (without incurring real file-reads on typical requests).
-  if (strpos($class, 'CiviMix\\Schema\\Twinglecampaign\\') === 0) {
-    // civimix-schema@5 is designed for backported use in download/activation workflows,
-    // where new revisions may become dynamically available.
-    pathload()->loadPackage('civimix-schema@5', TRUE);
-    CiviMix\Schema\loadClass($class);
+function _twinglecampaign_civix_mixin_polyfill() {
+  if (!class_exists('CRM_Extension_MixInfo')) {
+    $polyfill = __DIR__ . '/mixin/polyfill.php';
+    (require $polyfill)(E::LONG_NAME, E::SHORT_NAME, E::path());
   }
 }
 
@@ -120,17 +91,28 @@ function _twinglecampaign_civix_class_loader($class) {
  *
  * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_config
  */
-function _twinglecampaign_civix_civicrm_config($config = NULL) {
+function _twinglecampaign_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);
-  // Based on <compatibility>, this does not currently require mixin/polyfill.php.
+  _twinglecampaign_civix_mixin_polyfill();
 }
 
 /**
@@ -140,7 +122,36 @@ function _twinglecampaign_civix_civicrm_config($config = NULL) {
  */
 function _twinglecampaign_civix_civicrm_install() {
   _twinglecampaign_civix_civicrm_config();
-  // Based on <compatibility>, this does not currently require mixin/polyfill.php.
+  if ($upgrader = _twinglecampaign_civix_upgrader()) {
+    $upgrader->onInstall();
+  }
+  _twinglecampaign_civix_mixin_polyfill();
+}
+
+/**
+ * Implements hook_civicrm_postInstall().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_postInstall
+ */
+function _twinglecampaign_civix_civicrm_postInstall() {
+  _twinglecampaign_civix_civicrm_config();
+  if ($upgrader = _twinglecampaign_civix_upgrader()) {
+    if (is_callable([$upgrader, 'onPostInstall'])) {
+      $upgrader->onPostInstall();
+    }
+  }
+}
+
+/**
+ * Implements hook_civicrm_uninstall().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_uninstall
+ */
+function _twinglecampaign_civix_civicrm_uninstall(): void {
+  _twinglecampaign_civix_civicrm_config();
+  if ($upgrader = _twinglecampaign_civix_upgrader()) {
+    $upgrader->onUninstall();
+  }
 }
 
 /**
@@ -150,7 +161,57 @@ function _twinglecampaign_civix_civicrm_install() {
  */
 function _twinglecampaign_civix_civicrm_enable(): void {
   _twinglecampaign_civix_civicrm_config();
-  // Based on <compatibility>, this does not currently require mixin/polyfill.php.
+  if ($upgrader = _twinglecampaign_civix_upgrader()) {
+    if (is_callable([$upgrader, 'onEnable'])) {
+      $upgrader->onEnable();
+    }
+  }
+  _twinglecampaign_civix_mixin_polyfill();
+}
+
+/**
+ * (Delegated) Implements hook_civicrm_disable().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_disable
+ * @return mixed
+ */
+function _twinglecampaign_civix_civicrm_disable(): void {
+  _twinglecampaign_civix_civicrm_config();
+  if ($upgrader = _twinglecampaign_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 $queue CRM_Queue_Queue, (for 'enqueue') the modifiable list of pending up upgrade tasks
+ *
+ * @return mixed
+ *   based on op. for 'check', returns array(boolean) (TRUE if upgrades are pending)
+ *   for 'enqueue', returns void
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_upgrade
+ */
+function _twinglecampaign_civix_civicrm_upgrade($op, CRM_Queue_Queue $queue = NULL) {
+  if ($upgrader = _twinglecampaign_civix_upgrader()) {
+    return $upgrader->onUpgrade($op, $queue);
+  }
+}
+
+/**
+ * @return CRM_TwingleCampaign_Upgrader
+ */
+function _twinglecampaign_civix_upgrader() {
+  if (!file_exists(__DIR__ . '/CRM/TwingleCampaign/Upgrader.php')) {
+    return NULL;
+  }
+  else {
+    return CRM_TwingleCampaign_Upgrader_Base::instance();
+  }
 }
 
 /**
@@ -169,8 +230,8 @@ function _twinglecampaign_civix_insert_navigation_menu(&$menu, $path, $item) {
   if (empty($path)) {
     $menu[] = [
       'attributes' => array_merge([
-        'label' => $item['name'] ?? NULL,
-        'active' => 1,
+        'label'      => CRM_Utils_Array::value('name', $item),
+        'active'     => 1,
       ], $item),
     ];
     return TRUE;
@@ -234,3 +295,14 @@ function _twinglecampaign_civix_fixNavigationMenuItems(&$nodes, &$maxNavID, $par
     }
   }
 }
+
+/**
+ * (Delegated) Implements hook_civicrm_entityTypes().
+ *
+ * Find any *.entityType.php files, merge their content, and return.
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_entityTypes
+ */
+function _twinglecampaign_civix_civicrm_entityTypes(&$entityTypes) {
+  $entityTypes = array_merge($entityTypes, []);
+}
diff --git a/twinglecampaign.php b/twinglecampaign.php
index 282f7cb..79b016f 100644
--- a/twinglecampaign.php
+++ b/twinglecampaign.php
@@ -468,6 +468,24 @@ function twinglecampaign_civicrm_install() {
   _twinglecampaign_civix_civicrm_install();
 }
 
+/**
+ * Implements hook_civicrm_postInstall().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_postInstall
+ */
+function twinglecampaign_civicrm_postInstall() {
+  _twinglecampaign_civix_civicrm_postInstall();
+}
+
+/**
+ * Implements hook_civicrm_uninstall().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_uninstall
+ */
+function twinglecampaign_civicrm_uninstall() {
+  _twinglecampaign_civix_civicrm_uninstall();
+}
+
 /**
  * Implements hook_civicrm_enable().
  *
@@ -477,6 +495,35 @@ function twinglecampaign_civicrm_enable() {
   _twinglecampaign_civix_civicrm_enable();
 }
 
+/**
+ * Implements hook_civicrm_disable().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_disable
+ */
+function twinglecampaign_civicrm_disable() {
+  _twinglecampaign_civix_civicrm_disable();
+}
+
+/**
+ * Implements hook_civicrm_upgrade().
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_upgrade
+ */
+function twinglecampaign_civicrm_upgrade($op, CRM_Queue_Queue $queue = NULL) {
+  return _twinglecampaign_civix_civicrm_upgrade($op, $queue);
+}
+
+/**
+ * Implements hook_civicrm_entityTypes().
+ *
+ * Declare entity types provided by this module.
+ *
+ * @link https://docs.civicrm.org/dev/en/latest/hooks/hook_civicrm_entityTypes
+ */
+function twinglecampaign_civicrm_entityTypes(&$entityTypes) {
+  _twinglecampaign_civix_civicrm_entityTypes($entityTypes);
+}
+
 // --- Functions below this ship commented out. Uncomment as required. ---
 
 /**