diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd4ed75..25d10e1 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
 # Changelog
+## [3.6.0] - 2024-03-29
+This release drops support for php 7.4 as it has been completely EOL for over a year. [https://www.php.net/supported-versions.php](https://www.php.net/supported-versions.php)
+### Fixed
+    * Check if Sentry is defined before running init (https://github.com/justbetter/magento2-sentry/pull/129) thanks to https://github.com/netzkollektiv
+### Changed
+    * Use property promotions (https://github.com/justbetter/magento2-sentry/pull/130) thanks to https://github.com/cirolosapio
+    * Raised sentry/sdk version to 4.0+
 ## [3.5.2] - 2024-03-18
 ### Fixed
     * Fix start errors without database connection (https://github.com/justbetter/magento2-sentry/pull/125) thanks to https://github.com/fredden
@@ -22,7 +29,6 @@
 ## [3.2.0] - 2022-07-07
 ### Fixed
     * Changed addAlert to addRecord for Test error (https://github.com/justbetter/magento2-sentry/pull/98) thanks to https://github.com/peterjaap
-
 ### Added
     * Send context data top Sentry as Custom Data (https://github.com/justbetter/magento2-sentry/pull/97) thanks to https://github.com/oneserv-heuser
 ## [3.1.0] - 2022-06-14
diff --git a/Model/SentryInteraction.php b/Model/SentryInteraction.php
index 6ce2b98..61800eb 100644
--- a/Model/SentryInteraction.php
+++ b/Model/SentryInteraction.php
@@ -6,18 +6,18 @@
 
 // phpcs:disable Magento2.Functions.DiscouragedFunction
 
+use function Sentry\captureException;
+use function Sentry\configureScope;
+use function Sentry\init;
 use Magento\Authorization\Model\UserContextInterface;
 use Magento\Backend\Model\Auth\Session as AdminSession;
 use Magento\Customer\Model\Session as CustomerSession;
 use Magento\Framework\App\Area;
 use Magento\Framework\App\State;
 use Magento\Framework\Exception\LocalizedException;
+use ReflectionClass;
 use Sentry\State\Scope;
 
-use function Sentry\captureException;
-use function Sentry\configureScope;
-use function Sentry\init;
-
 class SentryInteraction
 {
     public function __construct(
@@ -34,7 +34,7 @@ public function initialize($config)
     private function canGetUserData()
     {
         try {
-            return @$this->appState->getAreaCode();
+            return in_array(@$this->appState->getAreaCode(), [Area::AREA_ADMINHTML, Area::AREA_FRONTEND]);
         } catch (LocalizedException $ex) {
             return false;
         }
@@ -47,8 +47,15 @@ private function getSessionUserData()
         }
 
         $objectManager = \Magento\Framework\App\ObjectManager::getInstance();
+        $reflectionClass = new ReflectionClass($objectManager);
+        $sharedInstances = $reflectionClass->getProperty('_sharedInstances');
+        $sharedInstances->setAccessible(true);
 
         if ($this->appState->getAreaCode() === Area::AREA_ADMINHTML) {
+            if (!array_key_exists(ltrim(AdminSession::class, '\\'), $sharedInstances->getValue($objectManager))) {
+                // Don't intitialise session if it has not already been started, this causes problems with dynamic resources.
+                return [];
+            }
             $adminSession = $objectManager->get(AdminSession::class);
 
             if ($adminSession->isLoggedIn()) {
@@ -61,6 +68,9 @@ private function getSessionUserData()
         }
 
         if ($this->appState->getAreaCode() === Area::AREA_FRONTEND) {
+            if (!array_key_exists(ltrim(CustomerSession::class, '\\'), $sharedInstances->getValue($objectManager))) {
+                return [];
+            }
             $customerSession = $objectManager->get(CustomerSession::class);
 
             if ($customerSession->loggedIn()) {
@@ -83,6 +93,7 @@ public function addUserContext()
         $userType = null;
         $userData = [];
 
+        \Magento\Framework\Profiler::start('SENTRY::add_user_context');
         try {
             $userId = $this->userContext->getUserId();
             if ($userId) {
@@ -90,8 +101,8 @@ public function addUserContext()
             }
 
             if ($this->canGetUserData() && count($userData = $this->getSessionUserData())) {
-                $userId = $userData['id'] || $userId;
-                $userType = $userData['user_type'] || $userType;
+                $userId = $userData['id'] ?? $userId;
+                $userType = $userData['user_type'] ?? $userType;
                 unset($userData['user_type']);
             }
 
@@ -114,6 +125,7 @@ public function addUserContext()
             });
         } catch (\Throwable $e) {
         }
+        \Magento\Framework\Profiler::stop('SENTRY::add_user_context');
     }
 
     public function captureException(\Throwable $ex)
diff --git a/composer.json b/composer.json
index 0bf93a6..bf4fcad 100755
--- a/composer.json
+++ b/composer.json
@@ -2,11 +2,11 @@
   "name": "justbetter/magento2-sentry",
   "description": "Magento 2 Logger for Sentry",
   "type": "magento2-module",
-  "version": "3.5.2",
+  "version": "3.6.0",
   "license": "MIT",
   "require": {
     "php": ">=8.0",
-    "sentry/sdk": "^3.0",
+    "sentry/sdk": "^4.0",
     "monolog/monolog": ">=2.7.0",
     "magento/framework": "*",
     "nyholm/psr7": "^1.2",