diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5294b83f..71b4424ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 - Fixed a crash during startup due in connection to the Google Ads Unity package ([#953](https://github.com/getsentry/sentry-unity/pull/953))
 
+### Features
+
+- IL2CPP line number support is enabled by default ([#963](https://github.com/getsentry/sentry-unity/pull/963))
+
 ### Dependencies
 
 - Bump Java SDK from v6.4.0 to v6.4.1 ([#954](https://github.com/getsentry/sentry-unity/pull/954))
diff --git a/package-dev/Editor/SentryPackageManager.cs b/package-dev/Editor/SentryPackageManager.cs
new file mode 100644
index 000000000..8043ae01a
--- /dev/null
+++ b/package-dev/Editor/SentryPackageManager.cs
@@ -0,0 +1,25 @@
+#if UNITY_2020_3_OR_NEWER
+using UnityEditor;
+using UnityEngine;
+
+namespace Sentry.Unity.Editor
+{
+    public static class SentryPackageManager
+    {
+        [InitializeOnLoadMethod]
+        public static void SentryPackageUpdate()
+        {
+            UnityEditor.PackageManager.Events.registeredPackages += eventArgs =>
+            {
+                if (eventArgs.changedFrom.Count > 0)
+                {
+                    var from = eventArgs.changedFrom[0];
+                    var to = eventArgs.changedTo[0];
+
+                    Debug.Log($"Package changed from {from.name}-{from.version} to {to.name}-{to.version}");
+                }
+            };
+        }
+    }
+}
+#endif
diff --git a/package-dev/Editor/io.sentry.unity.dev.editor.asmdef b/package-dev/Editor/io.sentry.unity.dev.editor.asmdef
new file mode 100644
index 000000000..c8f0e9aaa
--- /dev/null
+++ b/package-dev/Editor/io.sentry.unity.dev.editor.asmdef
@@ -0,0 +1,20 @@
+{
+    "name": "io.sentry.unity.dev.editor",
+    "rootNamespace": "",
+    "references": [
+        ""
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [
+        ""
+    ],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}
\ No newline at end of file