24 files changed, 251 insertions, 164 deletions
diff --git a/.github/actions/godot-cache-restore/action.yml b/.github/actions/godot-cache-restore/action.yml
index 5df5776..f10222b 100644
--- a/.github/actions/godot-cache-restore/action.yml
+++ b/.github/actions/godot-cache-restore/action.yml
@@ -3,19 +3,22 @@ description: Restore Godot build cache.
 inputs:
   cache-name:
     description: The cache base name (job name by default).
-    default: "${{github.job}}"
+    default: ${{ github.job }}
   scons-cache:
-    description: The scons cache path.
-    default: "${{github.workspace}}/.scons-cache/"
+    description: The SCons cache path.
+    default: ${{ github.workspace }}/.scons-cache/
+
 runs:
-  using: "composite"
+  using: composite
   steps:
-    - name: Restore .scons_cache directory
-      uses: actions/cache/restore@v3
+    - name: Restore SCons cache directory
+      uses: actions/cache/restore@v4
       with:
-        path: ${{inputs.scons-cache}}
-        key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}
+        path: ${{ inputs.scons-cache }}
+        key: ${{ inputs.cache-name }}-${{ env.GODOT_BASE_BRANCH }}-${{ github.ref }}-${{ github.sha }}
+
         restore-keys: |
-          ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}
-          ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}
-          ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}
+          ${{ inputs.cache-name }}-${{ env.GODOT_BASE_BRANCH }}-${{ github.ref }}-${{ github.sha }}
+          ${{ inputs.cache-name }}-${{ env.GODOT_BASE_BRANCH }}-${{ github.ref }}
+          ${{ inputs.cache-name }}-${{ env.GODOT_BASE_BRANCH }}-refs/heads/${{ env.GODOT_BASE_BRANCH }}
+          ${{ inputs.cache-name }}-${{ env.GODOT_BASE_BRANCH }}
diff --git a/.github/actions/godot-cache-save/action.yml b/.github/actions/godot-cache-save/action.yml
index b7cbf91..df877ce 100644
--- a/.github/actions/godot-cache-save/action.yml
+++ b/.github/actions/godot-cache-save/action.yml
@@ -3,15 +3,16 @@ description: Save Godot build cache.
 inputs:
   cache-name:
     description: The cache base name (job name by default).
-    default: "${{github.job}}"
+    default: ${{ github.job }}
   scons-cache:
     description: The SCons cache path.
-    default: "${{github.workspace}}/.scons-cache/"
+    default: ${{ github.workspace }}/.scons-cache/
+
 runs:
-  using: "composite"
+  using: composite
   steps:
     - name: Save SCons cache directory
       uses: actions/cache/save@v4
       with:
-        path: ${{inputs.scons-cache}}
-        key: ${{inputs.cache-name}}-${{env.GODOT_BASE_BRANCH}}-${{github.ref}}-${{github.sha}}
+        path: ${{ inputs.scons-cache }}
+        key: ${{ inputs.cache-name }}-${{ env.GODOT_BASE_BRANCH }}-${{ github.ref }}-${{ github.sha }}
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 13b7243..c9f5db7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,14 +1,18 @@
 name: Continuous integration
-on: [push, pull_request]
+on:
+  workflow_call:
 
 env:
   # Only used for the cache key. Increment version to force clean build.
   GODOT_BASE_BRANCH: master
   # Used to select the version of Godot to run the tests with.
   GODOT_TEST_VERSION: master
+  # Use UTF-8 on Linux.
+  LANG: en_US.UTF-8
+  LC_ALL: en_US.UTF-8
 
 concurrency:
-  group: ci-${{github.actor}}-${{github.head_ref || github.run_number}}-${{github.ref}}
+  group: ci-${{ github.actor }}-${{ github.head_ref || github.run_number }}-${{ github.ref }}
   cancel-in-progress: true
 
 jobs:
@@ -20,7 +24,7 @@ jobs:
       matrix:
         include:
           - name: 🐧 Linux (GCC)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: linux
             artifact-name: godot-cpp-linux-glibc2.27-x86_64-release
             artifact-path: bin/libgodot-cpp.linux.template_release.x86_64.a
@@ -28,7 +32,7 @@ jobs:
             cache-name: linux-x86_64
 
           - name: 🐧 Linux (GCC, Double Precision)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: linux
             artifact-name: godot-cpp-linux-glibc2.27-x86_64-double-release
             artifact-path: bin/libgodot-cpp.linux.template_release.double.x86_64.a
@@ -63,7 +67,7 @@ jobs:
             cache-name: macos-universal
 
           - name: 🤖 Android (arm64)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: android
             artifact-name: godot-cpp-android-arm64-release
             artifact-path: bin/libgodot-cpp.android.template_release.arm64.a
@@ -81,7 +85,7 @@ jobs:
             cache-name: ios-arm64
 
           - name: 🌐 Web (wasm32)
-            os: ubuntu-20.04
+            os: ubuntu-22.04
             platform: web
             artifact-name: godot-cpp-web-wasm32-release
             artifact-path: bin/libgodot-cpp.web.template_release.wasm32.a
@@ -91,7 +95,7 @@ jobs:
     env:
       SCONS_CACHE: ${{ github.workspace }}/.scons-cache/
       EM_VERSION: 3.1.39
-      EM_CACHE_FOLDER: "emsdk-cache"
+      EM_CACHE_FOLDER: emsdk-cache
 
     steps:
       - name: Checkout
@@ -108,24 +112,24 @@ jobs:
       - name: Set up Python (for SCons)
         uses: actions/setup-python@v5
         with:
-          python-version: '3.x'
+          python-version: 3.x
 
       - name: Android dependencies
-        if: ${{ matrix.platform == 'android' }}
+        if: matrix.platform == 'android'
         uses: nttld/setup-ndk@v1
         with:
           ndk-version: r23c
           link-to-sdk: true
 
       - name: Web dependencies
-        if: ${{ matrix.platform == 'web' }}
+        if: matrix.platform == 'web'
         uses: mymindstorm/setup-emsdk@v14
         with:
-          version: ${{env.EM_VERSION}}
-          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}
+          version: ${{ env.EM_VERSION }}
+          actions-cache-folder: ${{ env.EM_CACHE_FOLDER }}
 
       - name: Setup MinGW for Windows/MinGW build
-        if: ${{ matrix.platform == 'windows' && matrix.flags == 'use_mingw=yes' }}
+        if: matrix.platform == 'windows' && matrix.flags == 'use_mingw=yes'
         uses: egor-tensin/setup-mingw@v2
         with:
           version: 12.2.0
@@ -161,7 +165,7 @@ jobs:
 
       - name: Download latest Godot artifacts
         uses: dsnopek/action-download-artifact@1322f74e2dac9feed2ee76a32d9ae1ca3b4cf4e9
-        if: ${{ matrix.run-tests && env.GODOT_TEST_VERSION == 'master' }}
+        if: matrix.run-tests && env.GODOT_TEST_VERSION == 'master'
         with:
           repo: godotengine/godot
           branch: master
@@ -175,13 +179,13 @@ jobs:
           path: godot-artifacts
 
       - name: Prepare Godot artifacts for testing
-        if: ${{ matrix.run-tests && env.GODOT_TEST_VERSION == 'master' }}
+        if: matrix.run-tests && env.GODOT_TEST_VERSION == 'master'
         run: |
           chmod +x ./godot-artifacts/godot.linuxbsd.editor.x86_64.mono
           echo "GODOT=$(pwd)/godot-artifacts/godot.linuxbsd.editor.x86_64.mono" >> $GITHUB_ENV
 
       - name: Download requested Godot version for testing
-        if: ${{ matrix.run-tests && env.GODOT_TEST_VERSION != 'master' }}
+        if: matrix.run-tests && env.GODOT_TEST_VERSION != 'master'
         run: |
           wget "https://github.com/godotengine/godot-builds/releases/download/${GODOT_TEST_VERSION}/Godot_v${GODOT_TEST_VERSION}_linux.x86_64.zip" -O Godot.zip
           unzip -a Godot.zip
@@ -189,7 +193,7 @@ jobs:
           echo "GODOT=$(pwd)/Godot_v${GODOT_TEST_VERSION}_linux.x86_64" >> $GITHUB_ENV
 
       - name: Run tests
-        if: ${{ matrix.run-tests }}
+        if: matrix.run-tests
         run: |
           $GODOT --headless --version
           cd test
@@ -206,7 +210,7 @@ jobs:
 
   linux-cmake:
     name: 🐧 Build (Linux, GCC, CMake)
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -230,7 +234,7 @@ jobs:
 
   linux-cmake-ninja:
     name: 🐧 Build (Linux, GCC, CMake Ninja)
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/runner.yml b/.github/workflows/runner.yml
new file mode 100644
index 0000000..a2e4f91
--- /dev/null
+++ b/.github/workflows/runner.yml
@@ -0,0 +1,21 @@
+name: 🔗 GHA
+on: [push, pull_request, merge_group]
+
+concurrency:
+  group: ci-${{ github.actor }}-${{ github.head_ref || github.run_number }}-${{ github.ref }}-runner
+  cancel-in-progress: true
+
+jobs:
+  # First stage: Only static checks, fast and prevent expensive builds from running.
+
+  static-checks:
+    if: '!vars.DISABLE_GODOT_CI'
+    name: 📊 Static Checks
+    uses: ./.github/workflows/static_checks.yml
+
+  # Second stage: Run all the builds and some of the tests.
+
+  ci:
+    name: 🛠️ Continuous Integration
+    needs: static-checks
+    uses: ./.github/workflows/ci.yml
diff --git a/.github/workflows/static_checks.yml b/.github/workflows/static_checks.yml
index 6899248..c8d2713 100644
--- a/.github/workflows/static_checks.yml
+++ b/.github/workflows/static_checks.yml
@@ -1,8 +1,9 @@
 name: 📊 Static Checks
-on: [push, pull_request]
+on:
+  workflow_call:
 
 concurrency:
-  group: ci-${{github.actor}}-${{github.head_ref || github.run_number}}-${{github.ref}}-static
+  group: ci-${{ github.actor }}-${{ github.head_ref || github.run_number }}-${{ github.ref }}-static
   cancel-in-progress: true
 
 jobs:
diff --git a/gdextension/gdextension_interface.h b/gdextension/gdextension_interface.h
index 0ffe110..ff89700 100644
--- a/gdextension/gdextension_interface.h
+++ b/gdextension/gdextension_interface.h
@@ -1272,6 +1272,18 @@ typedef GDExtensionBool (*GDExtensionInterfaceVariantHasMember)(GDExtensionVaria
 typedef GDExtensionBool (*GDExtensionInterfaceVariantHasKey)(GDExtensionConstVariantPtr p_self, GDExtensionConstVariantPtr p_key, GDExtensionBool *r_valid);
 
 /**
+ * @name variant_get_object_instance_id
+ * @since 4.4
+ *
+ * Gets the object instance ID from a variant of type GDEXTENSION_VARIANT_TYPE_OBJECT.
+ *
+ * @param p_self A pointer to the Variant.
+ *
+ * @return The instance ID for the contained object.
+ */
+typedef GDObjectInstanceID (*GDExtensionInterfaceVariantGetObjectInstanceId)(GDExtensionConstVariantPtr p_self);
+
+/**
  * @name variant_get_type_name
  * @since 4.1
  *
diff --git a/include/godot_cpp/classes/wrapped.hpp b/include/godot_cpp/classes/wrapped.hpp
index 0ffd783..06b1b67 100644
--- a/include/godot_cpp/classes/wrapped.hpp
+++ b/include/godot_cpp/classes/wrapped.hpp
@@ -40,6 +40,14 @@
 
 #include <godot_cpp/godot.hpp>
 
+#if defined(MACOS_ENABLED) && defined(HOT_RELOAD_ENABLED)
+#include <mutex>
+#define _GODOT_CPP_AVOID_THREAD_LOCAL
+#define _GODOT_CPP_THREAD_LOCAL
+#else
+#define _GODOT_CPP_THREAD_LOCAL thread_local
+#endif
+
 namespace godot {
 
 class ClassDB;
@@ -58,8 +66,16 @@ class Wrapped {
 	template <typename T, std::enable_if_t<std::is_base_of<::godot::Wrapped, T>::value, bool>>
 	friend _ALWAYS_INLINE_ void _pre_initialize();
 
-	thread_local static const StringName *_constructing_extension_class_name;
-	thread_local static const GDExtensionInstanceBindingCallbacks *_constructing_class_binding_callbacks;
+#ifdef _GODOT_CPP_AVOID_THREAD_LOCAL
+	static std::recursive_mutex _constructing_mutex;
+#endif
+
+	_GODOT_CPP_THREAD_LOCAL static const StringName *_constructing_extension_class_name;
+	_GODOT_CPP_THREAD_LOCAL static const GDExtensionInstanceBindingCallbacks *_constructing_class_binding_callbacks;
+
+#ifdef HOT_RELOAD_ENABLED
+	_GODOT_CPP_THREAD_LOCAL static GDExtensionObjectPtr _constructing_recreate_owner;
+#endif
 
 	template <typename T>
 	_ALWAYS_INLINE_ static void _set_construct_info() {
@@ -71,15 +87,6 @@ protected:
 	virtual bool _is_extension_class() const { return false; }
 	static const StringName *_get_extension_class_name(); // This is needed to retrieve the class name before the godot object has its _extension and _extension_instance members assigned.
 
-#ifdef HOT_RELOAD_ENABLED
-	struct RecreateInstance {
-		GDExtensionClassInstancePtr wrapper;
-		GDExtensionObjectPtr owner;
-		RecreateInstance *next;
-	};
-	inline static RecreateInstance *recreate_instance = nullptr;
-#endif
-
 	void _notification(int p_what) {}
 	bool _set(const StringName &p_name, const Variant &p_property) { return false; }
 	bool _get(const StringName &p_name, Variant &r_property) const { return false; }
@@ -126,6 +133,9 @@ public:
 
 template <typename T, std::enable_if_t<std::is_base_of<::godot::Wrapped, T>::value, bool>>
 _ALWAYS_INLINE_ void _pre_initialize() {
+#ifdef _GODOT_CPP_AVOID_THREAD_LOCAL
+	Wrapped::_constructing_mutex.lock();
+#endif
 	Wrapped::_set_construct_info<T>();
 }
 
@@ -250,7 +260,7 @@ public:
 	}                                                                                                                                                                                  \
                                                                                                                                                                                        \
 	static const ::godot::StringName &get_class_static() {                                                                                                                             \
-		static const ::godot::StringName string_name = ::godot::StringName(#m_class);                                                                                                  \
+		static const ::godot::StringName string_name = ::godot::StringName(U## #m_class);                                                                                              \
 		return string_name;                                                                                                                                                            \
 	}                                                                                                                                                                                  \
                                                                                                                                                                                        \
diff --git a/include/godot_cpp/core/class_db.hpp b/include/godot_cpp/core/class_db.hpp
index 988277b..d9dce79 100644
--- a/include/godot_cpp/core/class_db.hpp
+++ b/include/godot_cpp/core/class_db.hpp
@@ -129,9 +129,11 @@ private:
 	static GDExtensionClassInstancePtr _recreate_instance_func(void *data, GDExtensionObjectPtr obj) {
 		if constexpr (!std::is_abstract_v<T>) {
 #ifdef HOT_RELOAD_ENABLED
+#ifdef _GODOT_CPP_AVOID_THREAD_LOCAL
+			std::lock_guard<std::recursive_mutex> lk(Wrapped::_constructing_mutex);
+#endif
+			Wrapped::_constructing_recreate_owner = obj;
 			T *new_instance = (T *)memalloc(sizeof(T));
-			Wrapped::RecreateInstance recreate_data = { new_instance, obj, Wrapped::recreate_instance };
-			Wrapped::recreate_instance = &recreate_data;
 			memnew_placement(new_instance, T);
 			return new_instance;
 #else
diff --git a/include/godot_cpp/godot.hpp b/include/godot_cpp/godot.hpp
index f410439..1d36acc 100644
--- a/include/godot_cpp/godot.hpp
+++ b/include/godot_cpp/godot.hpp
@@ -82,6 +82,7 @@ extern "C" GDExtensionInterfaceVariantGetType gdextension_interface_variant_get_
 extern "C" GDExtensionInterfaceVariantHasMethod gdextension_interface_variant_has_method;
 extern "C" GDExtensionInterfaceVariantHasMember gdextension_interface_variant_has_member;
 extern "C" GDExtensionInterfaceVariantHasKey gdextension_interface_variant_has_key;
+extern "C" GDExtensionInterfaceVariantGetObjectInstanceId gdextension_interface_variant_get_object_instance_id;
 extern "C" GDExtensionInterfaceVariantGetTypeName gdextension_interface_variant_get_type_name;
 extern "C" GDExtensionInterfaceVariantCanConvert gdextension_interface_variant_can_convert;
 extern "C" GDExtensionInterfaceVariantCanConvertStrict gdextension_interface_variant_can_convert_strict;
diff --git a/include/godot_cpp/variant/basis.hpp b/include/godot_cpp/variant/basis.hpp
index e740a64..f3ebe15 100644
--- a/include/godot_cpp/variant/basis.hpp
+++ b/include/godot_cpp/variant/basis.hpp
@@ -224,7 +224,7 @@ struct _NO_DISCARD_ Basis {
 
 	operator Quaternion() const { return get_quaternion(); }
 
-	static Basis looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0));
+	static Basis looking_at(const Vector3 &p_target, const Vector3 &p_up = Vector3(0, 1, 0), bool p_use_model_front = false);
 
 	Basis(const Quaternion &p_quaternion) { set_quaternion(p_quaternion); }
 	Basis(const Quaternion &p_quaternion, const Vector3 &p_scale) { set_quaternion_scale(p_quaternion, p_scale); }
diff --git a/include/godot_cpp/variant/quaternion.hpp b/include/godot_cpp/variant/quaternion.hpp
index 5de91b2..8d0afd7 100644
--- a/include/godot_cpp/variant/quaternion.hpp
+++ b/include/godot_cpp/variant/quaternion.hpp
@@ -31,6 +31,7 @@
 #ifndef GODOT_QUATERNION_HPP
 #define GODOT_QUATERNION_HPP
 
+#include <godot_cpp/classes/global_constants.hpp>
 #include <godot_cpp/core/math.hpp>
 #include <godot_cpp/variant/vector3.hpp>
 
@@ -47,11 +48,11 @@ struct _NO_DISCARD_ Quaternion {
 		real_t components[4] = { 0, 0, 0, 1.0 };
 	};
 
-	_FORCE_INLINE_ real_t &operator[](int idx) {
-		return components[idx];
+	_FORCE_INLINE_ real_t &operator[](int p_idx) {
+		return components[p_idx];
 	}
-	_FORCE_INLINE_ const real_t &operator[](int idx) const {
-		return components[idx];
+	_FORCE_INLINE_ const real_t &operator[](int p_idx) const {
+		return components[p_idx];
 	}
 	_FORCE_INLINE_ real_t length_squared() const;
 	bool is_equal_approx(const Quaternion &p_quaternion) const;
@@ -66,14 +67,13 @@ struct _NO_DISCARD_ Quaternion {
 	_FORCE_INLINE_ real_t dot(const Quaternion &p_q) const;
 	real_t angle_to(const Quaternion &p_to) const;
 
-	Vector3 get_euler_xyz() const;
-	Vector3 get_euler_yxz() const;
-	Vector3 get_euler() const { return get_euler_yxz(); }
+	Vector3 get_euler(EulerOrder p_order = EulerOrder::EULER_ORDER_YXZ) const;
+	static Quaternion from_euler(const Vector3 &p_euler);
 
-	Quaternion slerp(const Quaternion &p_to, const real_t &p_weight) const;
-	Quaternion slerpni(const Quaternion &p_to, const real_t &p_weight) const;
-	Quaternion spherical_cubic_interpolate(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, const real_t &p_weight) const;
-	Quaternion spherical_cubic_interpolate_in_time(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, const real_t &p_weight, const real_t &p_b_t, const real_t &p_pre_a_t, const real_t &p_post_b_t) const;
+	Quaternion slerp(const Quaternion &p_to, real_t p_weight) const;
+	Quaternion slerpni(const Quaternion &p_to, real_t p_weight) const;
+	Quaternion spherical_cubic_interpolate(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, real_t p_weight) const;
+	Quaternion spherical_cubic_interpolate_in_time(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, real_t p_weight, real_t p_b_t, real_t p_pre_a_t, real_t p_post_b_t) const;
 
 	Vector3 get_axis() const;
 	real_t get_angle() const;
@@ -89,28 +89,28 @@ struct _NO_DISCARD_ Quaternion {
 	void operator*=(const Quaternion &p_q);
 	Quaternion operator*(const Quaternion &p_q) const;
 
-	_FORCE_INLINE_ Vector3 xform(const Vector3 &v) const {
+	_FORCE_INLINE_ Vector3 xform(const Vector3 &p_v) const {
 #ifdef MATH_CHECKS
-		ERR_FAIL_COND_V_MSG(!is_normalized(), v, "The quaternion must be normalized.");
+		ERR_FAIL_COND_V_MSG(!is_normalized(), p_v, "The quaternion " + operator String() + " must be normalized.");
 #endif
 		Vector3 u(x, y, z);
-		Vector3 uv = u.cross(v);
-		return v + ((uv * w) + u.cross(uv)) * ((real_t)2);
+		Vector3 uv = u.cross(p_v);
+		return p_v + ((uv * w) + u.cross(uv)) * ((real_t)2);
 	}
 
-	_FORCE_INLINE_ Vector3 xform_inv(const Vector3 &v) const {
-		return inverse().xform(v);
+	_FORCE_INLINE_ Vector3 xform_inv(const Vector3 &p_v) const {
+		return inverse().xform(p_v);
 	}
 
 	_FORCE_INLINE_ void operator+=(const Quaternion &p_q);
 	_FORCE_INLINE_ void operator-=(const Quaternion &p_q);
-	_FORCE_INLINE_ void operator*=(const real_t &s);
-	_FORCE_INLINE_ void operator/=(const real_t &s);
-	_FORCE_INLINE_ Quaternion operator+(const Quaternion &q2) const;
-	_FORCE_INLINE_ Quaternion operator-(const Quaternion &q2) const;
+	_FORCE_INLINE_ void operator*=(real_t p_s);
+	_FORCE_INLINE_ void operator/=(real_t p_s);
+	_FORCE_INLINE_ Quaternion operator+(const Quaternion &p_q2) const;
+	_FORCE_INLINE_ Quaternion operator-(const Quaternion &p_q2) const;
 	_FORCE_INLINE_ Quaternion operator-() const;
-	_FORCE_INLINE_ Quaternion operator*(const real_t &s) const;
-	_FORCE_INLINE_ Quaternion operator/(const real_t &s) const;
+	_FORCE_INLINE_ Quaternion operator*(real_t p_s) const;
+	_FORCE_INLINE_ Quaternion operator/(real_t p_s) const;
 
 	_FORCE_INLINE_ bool operator==(const Quaternion &p_quaternion) const;
 	_FORCE_INLINE_ bool operator!=(const Quaternion &p_quaternion) const;
@@ -128,8 +128,6 @@ struct _NO_DISCARD_ Quaternion {
 
 	Quaternion(const Vector3 &p_axis, real_t p_angle);
 
-	Quaternion(const Vector3 &p_euler);
-
 	Quaternion(const Quaternion &p_q) :
 			x(p_q.x),
 			y(p_q.y),
@@ -144,9 +142,9 @@ struct _NO_DISCARD_ Quaternion {
 		w = p_q.w;
 	}
 
-	Quaternion(const Vector3 &v0, const Vector3 &v1) { // Shortest arc.
-		Vector3 c = v0.cross(v1);
-		real_t d = v0.dot(v1);
+	Quaternion(const Vector3 &p_v0, const Vector3 &p_v1) { // Shortest arc.
+		Vector3 c = p_v0.cross(p_v1);
+		real_t d = p_v0.dot(p_v1);
 
 		if (d < -1.0f + (real_t)CMP_EPSILON) {
 			x = 0;
@@ -187,25 +185,25 @@ void Quaternion::operator-=(const Quaternion &p_q) {
 	w -= p_q.w;
 }
 
-void Quaternion::operator*=(const real_t &s) {
-	x *= s;
-	y *= s;
-	z *= s;
-	w *= s;
+void Quaternion::operator*=(real_t p_s) {
+	x *= p_s;
+	y *= p_s;
+	z *= p_s;
+	w *= p_s;
 }
 
-void Quaternion::operator/=(const real_t &s) {
-	*this *= 1.0f / s;
+void Quaternion::operator/=(real_t p_s) {
+	*this *= 1.0f / p_s;
 }
 
-Quaternion Quaternion::operator+(const Quaternion &q2) const {
+Quaternion Quaternion::operator+(const Quaternion &p_q2) const {
 	const Quaternion &q1 = *this;
-	return Quaternion(q1.x + q2.x, q1.y + q2.y, q1.z + q2.z, q1.w + q2.w);
+	return Quaternion(q1.x + p_q2.x, q1.y + p_q2.y, q1.z + p_q2.z, q1.w + p_q2.w);
 }
 
-Quaternion Quaternion::operator-(const Quaternion &q2) const {
+Quaternion Quaternion::operator-(const Quaternion &p_q2) const {
 	const Quaternion &q1 = *this;
-	return Quaternion(q1.x - q2.x, q1.y - q2.y, q1.z - q2.z, q1.w - q2.w);
+	return Quaternion(q1.x - p_q2.x, q1.y - p_q2.y, q1.z - p_q2.z, q1.w - p_q2.w);
 }
 
 Quaternion Quaternion::operator-() const {
@@ -213,12 +211,12 @@ Quaternion Quaternion::operator-() const {
 	return Quaternion(-q2.x, -q2.y, -q2.z, -q2.w);
 }
 
-Quaternion Quaternion::operator*(const real_t &s) const {
-	return Quaternion(x * s, y * s, z * s, w * s);
+Quaternion Quaternion::operator*(real_t p_s) const {
+	return Quaternion(x * p_s, y * p_s, z * p_s, w * p_s);
 }
 
-Quaternion Quaternion::operator/(const real_t &s) const {
-	return *this * (1.0f / s);
+Quaternion Quaternion::operator/(real_t p_s) const {
+	return *this * (1.0f / p_s);
 }
 
 bool Quaternion::operator==(const Quaternion &p_quaternion) const {
@@ -229,7 +227,7 @@ bool Quaternion::operator!=(const Quaternion &p_quaternion) const {
 	return x != p_quaternion.x || y != p_quaternion.y || z != p_quaternion.z || w != p_quaternion.w;
 }
 
-_FORCE_INLINE_ Quaternion operator*(const real_t &p_real, const Quaternion &p_quaternion) {
+_FORCE_INLINE_ Quaternion operator*(real_t p_real, const Quaternion &p_quaternion) {
 	return p_quaternion * p_real;
 }
 
diff --git a/include/godot_cpp/variant/variant.hpp b/include/godot_cpp/variant/variant.hpp
index a868a7c..4c5f206 100644
--- a/include/godot_cpp/variant/variant.hpp
+++ b/include/godot_cpp/variant/variant.hpp
@@ -264,6 +264,8 @@ public:
 	operator PackedColorArray() const;
 	operator PackedVector4Array() const;
 
+	Object *get_validated_object() const;
+
 	Variant &operator=(const Variant &other);
 	Variant &operator=(Variant &&other);
 	bool operator==(const Variant &other) const;
diff --git a/src/classes/wrapped.cpp b/src/classes/wrapped.cpp
index ffca4f9..3eb17ca 100644
--- a/src/classes/wrapped.cpp
+++ b/src/classes/wrapped.cpp
@@ -39,14 +39,27 @@
 #include <godot_cpp/core/class_db.hpp>
 
 namespace godot {
-thread_local const StringName *Wrapped::_constructing_extension_class_name = nullptr;
-thread_local const GDExtensionInstanceBindingCallbacks *Wrapped::_constructing_class_binding_callbacks = nullptr;
+
+#ifdef _GODOT_CPP_AVOID_THREAD_LOCAL
+std::recursive_mutex Wrapped::_constructing_mutex;
+#endif
+
+_GODOT_CPP_THREAD_LOCAL const StringName *Wrapped::_constructing_extension_class_name = nullptr;
+_GODOT_CPP_THREAD_LOCAL const GDExtensionInstanceBindingCallbacks *Wrapped::_constructing_class_binding_callbacks = nullptr;
+
+#ifdef HOT_RELOAD_ENABLED
+_GODOT_CPP_THREAD_LOCAL GDExtensionObjectPtr Wrapped::_constructing_recreate_owner = nullptr;
+#endif
 
 const StringName *Wrapped::_get_extension_class_name() {
 	return nullptr;
 }
 
 void Wrapped::_postinitialize() {
+#ifdef _GODOT_CPP_AVOID_THREAD_LOCAL
+	Wrapped::_constructing_mutex.unlock();
+#endif
+
 	// Only send NOTIFICATION_POSTINITIALIZE for extension classes.
 	if (_is_extension_class()) {
 		_notificationv(Object::NOTIFICATION_POSTINITIALIZE);
@@ -55,25 +68,14 @@ void Wrapped::_postinitialize() {
 
 Wrapped::Wrapped(const StringName p_godot_class) {
 #ifdef HOT_RELOAD_ENABLED
-	if (unlikely(Wrapped::recreate_instance)) {
-		RecreateInstance *recreate_data = Wrapped::recreate_instance;
-		RecreateInstance *previous = nullptr;
-		while (recreate_data) {
-			if (recreate_data->wrapper == this) {
-				_owner = recreate_data->owner;
-				if (previous) {
-					previous->next = recreate_data->next;
-				} else {
-					Wrapped::recreate_instance = recreate_data->next;
-				}
-				return;
-			}
-			previous = recreate_data;
-			recreate_data = recreate_data->next;
-		}
-	}
+	if (unlikely(Wrapped::_constructing_recreate_owner)) {
+		_owner = Wrapped::_constructing_recreate_owner;
+		Wrapped::_constructing_recreate_owner = nullptr;
+	} else
 #endif
-	_owner = godot::internal::gdextension_interface_classdb_construct_object(reinterpret_cast<GDExtensionConstStringNamePtr>(p_godot_class._native_ptr()));
+	{
+		_owner = godot::internal::gdextension_interface_classdb_construct_object(reinterpret_cast<GDExtensionConstStringNamePtr>(p_godot_class._native_ptr()));
+	}
 
 	if (_constructing_extension_class_name) {
 		godot::internal::gdextension_interface_object_set_instance(_owner, reinterpret_cast<GDExtensionConstStringNamePtr>(_constructing_extension_class_name), this);
diff --git a/src/godot.cpp b/src/godot.cpp
index 68da08f..2a2c889 100644
--- a/src/godot.cpp
+++ b/src/godot.cpp
@@ -88,6 +88,7 @@ GDExtensionInterfaceVariantGetType gdextension_interface_variant_get_type = null
 GDExtensionInterfaceVariantHasMethod gdextension_interface_variant_has_method = nullptr;
 GDExtensionInterfaceVariantHasMember gdextension_interface_variant_has_member = nullptr;
 GDExtensionInterfaceVariantHasKey gdextension_interface_variant_has_key = nullptr;
+GDExtensionInterfaceVariantGetObjectInstanceId gdextension_interface_variant_get_object_instance_id = nullptr;
 GDExtensionInterfaceVariantGetTypeName gdextension_interface_variant_get_type_name = nullptr;
 GDExtensionInterfaceVariantCanConvert gdextension_interface_variant_can_convert = nullptr;
 GDExtensionInterfaceVariantCanConvertStrict gdextension_interface_variant_can_convert_strict = nullptr;
@@ -368,6 +369,7 @@ GDExtensionBool GDExtensionBinding::init(GDExtensionInterfaceGetProcAddress p_ge
 	LOAD_PROC_ADDRESS(variant_has_method, GDExtensionInterfaceVariantHasMethod);
 	LOAD_PROC_ADDRESS(variant_has_member, GDExtensionInterfaceVariantHasMember);
 	LOAD_PROC_ADDRESS(variant_has_key, GDExtensionInterfaceVariantHasKey);
+	LOAD_PROC_ADDRESS(variant_get_object_instance_id, GDExtensionInterfaceVariantGetObjectInstanceId);
 	LOAD_PROC_ADDRESS(variant_get_type_name, GDExtensionInterfaceVariantGetTypeName);
 	LOAD_PROC_ADDRESS(variant_can_convert, GDExtensionInterfaceVariantCanConvert);
 	LOAD_PROC_ADDRESS(variant_can_convert_strict, GDExtensionInterfaceVariantCanConvertStrict);
diff --git a/src/variant/basis.cpp b/src/variant/basis.cpp
index 200cd06..d8a9919 100644
--- a/src/variant/basis.cpp
+++ b/src/variant/basis.cpp
@@ -1037,12 +1037,15 @@ void Basis::rotate_sh(real_t *p_values) {
 	p_values[8] = d4 * s_scale_dst4;
 }
 
-Basis Basis::looking_at(const Vector3 &p_target, const Vector3 &p_up) {
+Basis Basis::looking_at(const Vector3 &p_target, const Vector3 &p_up, bool p_use_model_front) {
 #ifdef MATH_CHECKS
 	ERR_FAIL_COND_V_MSG(p_target.is_zero_approx(), Basis(), "The target vector can't be zero.");
 	ERR_FAIL_COND_V_MSG(p_up.is_zero_approx(), Basis(), "The up vector can't be zero.");
 #endif
-	Vector3 v_z = -p_target.normalized();
+	Vector3 v_z = p_target.normalized();
+	if (!p_use_model_front) {
+		v_z = -v_z;
+	}
 	Vector3 v_x = p_up.cross(v_z);
 #ifdef MATH_CHECKS
 	ERR_FAIL_COND_V_MSG(v_x.is_zero_approx(), Basis(), "The target vector and up vector can't be parallel to each other.");
diff --git a/src/variant/quaternion.cpp b/src/variant/quaternion.cpp
index c010850..3dd7af5 100644
--- a/src/variant/quaternion.cpp
+++ b/src/variant/quaternion.cpp
@@ -37,28 +37,15 @@ namespace godot {
 
 real_t Quaternion::angle_to(const Quaternion &p_to) const {
 	real_t d = dot(p_to);
-	return Math::acos(CLAMP(d * d * 2 - 1, -1, 1));
+	// acos does clamping.
+	return Math::acos(d * d * 2 - 1);
 }
 
-// get_euler_xyz returns a vector containing the Euler angles in the format
-// (ax,ay,az), where ax is the angle of rotation around x axis,
-// and similar for other axes.
-// This implementation uses XYZ convention (Z is the first rotation).
-Vector3 Quaternion::get_euler_xyz() const {
-	Basis m(*this);
-	return m.get_euler(EULER_ORDER_XYZ);
-}
-
-// get_euler_yxz returns a vector containing the Euler angles in the format
-// (ax,ay,az), where ax is the angle of rotation around x axis,
-// and similar for other axes.
-// This implementation uses YXZ convention (Z is the first rotation).
-Vector3 Quaternion::get_euler_yxz() const {
+Vector3 Quaternion::get_euler(EulerOrder p_order) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V_MSG(!is_normalized(), Vector3(0, 0, 0), "The quaternion must be normalized.");
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Vector3(0, 0, 0), "The quaternion " + operator String() + " must be normalized.");
 #endif
-	Basis m(*this);
-	return m.get_euler(EULER_ORDER_YXZ);
+	return Basis(*this).get_euler(p_order);
 }
 
 void Quaternion::operator*=(const Quaternion &p_q) {
@@ -103,7 +90,7 @@ bool Quaternion::is_normalized() const {
 
 Quaternion Quaternion::inverse() const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The quaternion must be normalized.");
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The quaternion " + operator String() + " must be normalized.");
 #endif
 	return Quaternion(-x, -y, -z, w);
 }
@@ -125,10 +112,10 @@ Quaternion Quaternion::exp() const {
 	return Quaternion(src_v, theta);
 }
 
-Quaternion Quaternion::slerp(const Quaternion &p_to, const real_t &p_weight) const {
+Quaternion Quaternion::slerp(const Quaternion &p_to, real_t p_weight) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion must be normalized.");
-	ERR_FAIL_COND_V_MSG(!p_to.is_normalized(), Quaternion(), "The end quaternion must be normalized.");
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion " + operator String() + " must be normalized.");
+	ERR_FAIL_COND_V_MSG(!p_to.is_normalized(), Quaternion(), "The end quaternion " + p_to.operator String() + " must be normalized.");
 #endif
 	Quaternion to1;
 	real_t omega, cosom, sinom, scale0, scale1;
@@ -166,10 +153,10 @@ Quaternion Quaternion::slerp(const Quaternion &p_to, const real_t &p_weight) con
 			scale0 * w + scale1 * to1.w);
 }
 
-Quaternion Quaternion::slerpni(const Quaternion &p_to, const real_t &p_weight) const {
+Quaternion Quaternion::slerpni(const Quaternion &p_to, real_t p_weight) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion must be normalized.");
-	ERR_FAIL_COND_V_MSG(!p_to.is_normalized(), Quaternion(), "The end quaternion must be normalized.");
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion " + operator String() + " must be normalized.");
+	ERR_FAIL_COND_V_MSG(!p_to.is_normalized(), Quaternion(), "The end quaternion " + p_to.operator String() + " must be normalized.");
 #endif
 	const Quaternion &from = *this;
 
@@ -190,10 +177,10 @@ Quaternion Quaternion::slerpni(const Quaternion &p_to, const real_t &p_weight) c
 			invFactor * from.w + newFactor * p_to.w);
 }
 
-Quaternion Quaternion::spherical_cubic_interpolate(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, const real_t &p_weight) const {
+Quaternion Quaternion::spherical_cubic_interpolate(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, real_t p_weight) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion must be normalized.");
-	ERR_FAIL_COND_V_MSG(!p_b.is_normalized(), Quaternion(), "The end quaternion must be normalized.");
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion " + operator String() + " must be normalized.");
+	ERR_FAIL_COND_V_MSG(!p_b.is_normalized(), Quaternion(), "The end quaternion " + p_b.operator String() + " must be normalized.");
 #endif
 	Quaternion from_q = *this;
 	Quaternion pre_q = p_pre_a;
@@ -236,15 +223,15 @@ Quaternion Quaternion::spherical_cubic_interpolate(const Quaternion &p_b, const
 	ln.z = Math::cubic_interpolate(ln_from.z, ln_to.z, ln_pre.z, ln_post.z, p_weight);
 	Quaternion q2 = to_q * ln.exp();
 
-	// To cancel error made by Expmap ambiguity, do blends.
+	// To cancel error made by Expmap ambiguity, do blending.
 	return q1.slerp(q2, p_weight);
 }
 
-Quaternion Quaternion::spherical_cubic_interpolate_in_time(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, const real_t &p_weight,
-		const real_t &p_b_t, const real_t &p_pre_a_t, const real_t &p_post_b_t) const {
+Quaternion Quaternion::spherical_cubic_interpolate_in_time(const Quaternion &p_b, const Quaternion &p_pre_a, const Quaternion &p_post_b, real_t p_weight,
+		real_t p_b_t, real_t p_pre_a_t, real_t p_post_b_t) const {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion must be normalized.");
-	ERR_FAIL_COND_V_MSG(!p_b.is_normalized(), Quaternion(), "The end quaternion must be normalized.");
+	ERR_FAIL_COND_V_MSG(!is_normalized(), Quaternion(), "The start quaternion " + operator String() + " must be normalized.");
+	ERR_FAIL_COND_V_MSG(!p_b.is_normalized(), Quaternion(), "The end quaternion " + p_b.operator String() + " must be normalized.");
 #endif
 	Quaternion from_q = *this;
 	Quaternion pre_q = p_pre_a;
@@ -287,7 +274,7 @@ Quaternion Quaternion::spherical_cubic_interpolate_in_time(const Quaternion &p_b
 	ln.z = Math::cubic_interpolate_in_time(ln_from.z, ln_to.z, ln_pre.z, ln_post.z, p_weight, p_b_t, p_pre_a_t, p_post_b_t);
 	Quaternion q2 = to_q * ln.exp();
 
-	// To cancel error made by Expmap ambiguity, do blends.
+	// To cancel error made by Expmap ambiguity, do blending.
 	return q1.slerp(q2, p_weight);
 }
 
@@ -309,7 +296,7 @@ real_t Quaternion::get_angle() const {
 
 Quaternion::Quaternion(const Vector3 &p_axis, real_t p_angle) {
 #ifdef MATH_CHECKS
-	ERR_FAIL_COND_MSG(!p_axis.is_normalized(), "The axis Vector3 must be normalized.");
+	ERR_FAIL_COND_MSG(!p_axis.is_normalized(), "The axis Vector3 " + p_axis.operator String() + " must be normalized.");
 #endif
 	real_t d = p_axis.length();
 	if (d == 0) {
@@ -332,7 +319,7 @@ Quaternion::Quaternion(const Vector3 &p_axis, real_t p_angle) {
 // (ax, ay, az), where ax is the angle of rotation around x axis,
 // and similar for other axes.
 // This implementation uses YXZ convention (Z is the first rotation).
-Quaternion::Quaternion(const Vector3 &p_euler) {
+Quaternion Quaternion::from_euler(const Vector3 &p_euler) {
 	real_t half_a1 = p_euler.y * 0.5f;
 	real_t half_a2 = p_euler.x * 0.5f;
 	real_t half_a3 = p_euler.z * 0.5f;
@@ -348,10 +335,11 @@ Quaternion::Quaternion(const Vector3 &p_euler) {
 	real_t cos_a3 = Math::cos(half_a3);
 	real_t sin_a3 = Math::sin(half_a3);
 
-	x = sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3;
-	y = sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3;
-	z = -sin_a1 * sin_a2 * cos_a3 + cos_a1 * cos_a2 * sin_a3;
-	w = sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3;
+	return Quaternion(
+			sin_a1 * cos_a2 * sin_a3 + cos_a1 * sin_a2 * cos_a3,
+			sin_a1 * cos_a2 * cos_a3 - cos_a1 * sin_a2 * sin_a3,
+			-sin_a1 * sin_a2 * cos_a3 + cos_a1 * cos_a2 * sin_a3,
+			sin_a1 * sin_a2 * sin_a3 + cos_a1 * cos_a2 * cos_a3);
 }
 
 } // namespace godot
diff --git a/src/variant/variant.cpp b/src/variant/variant.cpp
index 9dcf705..1f57d48 100644
--- a/src/variant/variant.cpp
+++ b/src/variant/variant.cpp
@@ -448,12 +448,7 @@ Variant::operator ObjectID() const {
 	if (get_type() == Type::INT) {
 		return ObjectID(operator uint64_t());
 	} else if (get_type() == Type::OBJECT) {
-		Object *obj = operator Object *();
-		if (obj != nullptr) {
-			return ObjectID(obj->get_instance_id());
-		} else {
-			return ObjectID();
-		}
+		return ObjectID(internal::gdextension_interface_variant_get_object_instance_id(_native_ptr()));
 	} else {
 		return ObjectID();
 	}
@@ -515,6 +510,10 @@ Variant::operator PackedVector4Array() const {
 	return PackedVector4Array(this);
 }
 
+Object *Variant::get_validated_object() const {
+	return ObjectDB::get_instance(operator ObjectID());
+}
+
 Variant &Variant::operator=(const Variant &other) {
 	clear();
 	internal::gdextension_interface_variant_new_copy(_native_ptr(), other._native_ptr());
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 42ea6e0..f1c4c0d 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -38,6 +38,7 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
 	# using Visual Studio C++
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /WX") # /GF /MP
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /DTYPED_METHOD_BIND")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /utf-8")
 
 	if(CMAKE_BUILD_TYPE MATCHES Debug)
 		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} /MDd") # /Od /RTC1 /Zi
diff --git a/test/SConstruct b/test/SConstruct
index 1f1db0f..b949bca 100644
--- a/test/SConstruct
+++ b/test/SConstruct
@@ -42,4 +42,5 @@ else:
         source=sources,
     )
 
+env.NoCache(library)
 Default(library)
diff --git a/test/project/main.gd b/test/project/main.gd
index 386d188..e5a3b95 100644
--- a/test/project/main.gd
+++ b/test/project/main.gd
@@ -209,6 +209,12 @@ func _ready():
 	assert_equal(example.test_variant_float_conversion(10.0), 10.0)
 	assert_equal(example.test_variant_float_conversion(10), 10.0)
 
+	# Test checking if objects are valid.
+	var object_of_questionable_validity = Object.new()
+	assert_equal(example.test_object_is_valid(object_of_questionable_validity), true)
+	object_of_questionable_validity.free()
+	assert_equal(example.test_object_is_valid(object_of_questionable_validity), false)
+
 	# Test that ptrcalls from GDExtension to the engine are correctly encoding Object and RefCounted.
 	var new_node = Node.new()
 	example.test_add_child(new_node)
@@ -279,6 +285,10 @@ func _ready():
 	assert_equal(library_path, ProjectSettings.globalize_path(library_path))
 	assert_equal(FileAccess.file_exists(library_path), true)
 
+	# Test a class with a unicode name.
+	var przykład = ExamplePrzykład.new()
+	assert_equal(przykład.get_the_word(), "słowo to przykład")
+
 	exit_with_status()
 
 func _on_Example_custom_signal(signal_name, value):
diff --git a/test/src/example.cpp b/test/src/example.cpp
index 692d004..22739b2 100644
--- a/test/src/example.cpp
+++ b/test/src/example.cpp
@@ -217,6 +217,7 @@ void Example::_bind_methods() {
 	ClassDB::bind_method(D_METHOD("test_variant_vector2i_conversion", "variant"), &Example::test_variant_vector2i_conversion);
 	ClassDB::bind_method(D_METHOD("test_variant_int_conversion", "variant"), &Example::test_variant_int_conversion);
 	ClassDB::bind_method(D_METHOD("test_variant_float_conversion", "variant"), &Example::test_variant_float_conversion);
+	ClassDB::bind_method(D_METHOD("test_object_is_valid", "variant"), &Example::test_object_is_valid);
 
 	ClassDB::bind_method(D_METHOD("test_add_child", "node"), &Example::test_add_child);
 	ClassDB::bind_method(D_METHOD("test_set_tileset", "tilemap", "tileset"), &Example::test_set_tileset);
@@ -598,6 +599,10 @@ float Example::test_variant_float_conversion(const Variant &p_variant) const {
 	return p_variant;
 }
 
+bool Example::test_object_is_valid(const Variant &p_variant) const {
+	return static_cast<bool>(p_variant.get_validated_object());
+}
+
 void Example::test_add_child(Node *p_node) {
 	add_child(p_node);
 }
@@ -755,3 +760,11 @@ ExampleRuntime::ExampleRuntime() {
 
 ExampleRuntime::~ExampleRuntime() {
 }
+
+void ExamplePrzykład::_bind_methods() {
+	ClassDB::bind_method(D_METHOD("get_the_word"), &ExamplePrzykład::get_the_word);
+}
+
+String ExamplePrzykład::get_the_word() const {
+	return U"słowo to przykład";
+}
diff --git a/test/src/example.h b/test/src/example.h
index a28deff..a7ae54c 100644
--- a/test/src/example.h
+++ b/test/src/example.h
@@ -147,6 +147,7 @@ public:
 	Vector2i test_variant_vector2i_conversion(const Variant &p_variant) const;
 	int test_variant_int_conversion(const Variant &p_variant) const;
 	float test_variant_float_conversion(const Variant &p_variant) const;
+	bool test_object_is_valid(const Variant &p_variant) const;
 
 	void test_add_child(Node *p_node);
 	void test_set_tileset(TileMap *p_tilemap, const Ref<TileSet> &p_tileset) const;
@@ -275,4 +276,14 @@ public:
 	~ExampleRuntime();
 };
 
+class ExamplePrzykład : public RefCounted {
+	GDCLASS(ExamplePrzykład, RefCounted);
+
+protected:
+	static void _bind_methods();
+
+public:
+	String get_the_word() const;
+};
+
 #endif // EXAMPLE_CLASS_H
diff --git a/test/src/register_types.cpp b/test/src/register_types.cpp
index 7cfe689..d9290c8 100644
--- a/test/src/register_types.cpp
+++ b/test/src/register_types.cpp
@@ -30,6 +30,7 @@ void initialize_example_module(ModuleInitializationLevel p_level) {
 	GDREGISTER_CLASS(ExampleBase);
 	GDREGISTER_CLASS(ExampleChild);
 	GDREGISTER_RUNTIME_CLASS(ExampleRuntime);
+	GDREGISTER_CLASS(ExamplePrzykład);
 }
 
 void uninitialize_example_module(ModuleInitializationLevel p_level) {
diff --git a/tools/godotcpp.py b/tools/godotcpp.py
index 9ceac02..b2a63dc 100644
--- a/tools/godotcpp.py
+++ b/tools/godotcpp.py
@@ -552,6 +552,7 @@ def _godot_cpp(env):
 
     if env["build_library"]:
         library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)
+        env.NoCache(library)
         default_args = [library]
 
         # Add compiledb if the option is set