diff --git a/cmake/tools/SetupWebKit.cmake b/cmake/tools/SetupWebKit.cmake
index b572088db5..b6c79de049 100644
--- a/cmake/tools/SetupWebKit.cmake
+++ b/cmake/tools/SetupWebKit.cmake
@@ -2,7 +2,7 @@ option(WEBKIT_VERSION "The version of WebKit to use")
 option(WEBKIT_LOCAL "If a local version of WebKit should be used instead of downloading")
 
 if(NOT WEBKIT_VERSION)
-  set(WEBKIT_VERSION 1098cc50652ab1eab171f58f7669e19ca6c276ae)
+  set(WEBKIT_VERSION 642e2252f6298387edb6d2f991a0408fd0320466)
 endif()
 
 string(SUBSTRING ${WEBKIT_VERSION} 0 16 WEBKIT_VERSION_PREFIX)
diff --git a/src/bun.js/bindings/BunClientData.h b/src/bun.js/bindings/BunClientData.h
index c1901cf70a..7820bf50cc 100644
--- a/src/bun.js/bindings/BunClientData.h
+++ b/src/bun.js/bindings/BunClientData.h
@@ -36,7 +36,7 @@ enum class UseCustomHeapCellType { Yes,
 
 class JSHeapData {
     WTF_MAKE_NONCOPYABLE(JSHeapData);
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(JSHeapData);
     friend class JSVMClientData;
 
 public:
@@ -77,7 +77,7 @@ DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(JSVMClientData);
 
 class JSVMClientData : public JSC::VM::ClientData {
     WTF_MAKE_NONCOPYABLE(JSVMClientData);
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(JSVMClientData);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(JSVMClientData, JSVMClientData);
 
 public:
     explicit JSVMClientData(JSC::VM&, RefPtr<JSC::SourceProvider>);
diff --git a/src/bun.js/bindings/BunGCOutputConstraint.h b/src/bun.js/bindings/BunGCOutputConstraint.h
index eaf4ef9ecd..b19d4c37a0 100644
--- a/src/bun.js/bindings/BunGCOutputConstraint.h
+++ b/src/bun.js/bindings/BunGCOutputConstraint.h
@@ -36,7 +36,7 @@ namespace WebCore {
 class JSHeapData;
 
 class DOMGCOutputConstraint : public JSC::MarkingConstraint {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMEGCOutputConstraint);
 
 public:
     DOMGCOutputConstraint(JSC::VM&, JSHeapData&);
diff --git a/src/bun.js/bindings/ConsoleObject.h b/src/bun.js/bindings/ConsoleObject.h
index 60608f9b8c..52032f44c3 100644
--- a/src/bun.js/bindings/ConsoleObject.h
+++ b/src/bun.js/bindings/ConsoleObject.h
@@ -20,7 +20,7 @@ using InspectorScriptProfilerAgent = Inspector::InspectorScriptProfilerAgent;
 using namespace JSC;
 
 class ConsoleObject final : public JSC::ConsoleClient {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(ConsoleObject);
 
 public:
     ~ConsoleObject() final {}
diff --git a/src/bun.js/bindings/DOMFormData.h b/src/bun.js/bindings/DOMFormData.h
index 8a25f0b60a..c8ceab1817 100644
--- a/src/bun.js/bindings/DOMFormData.h
+++ b/src/bun.js/bindings/DOMFormData.h
@@ -46,7 +46,7 @@ class HTMLFormElement;
 DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(DOMFormData);
 
 class DOMFormData : public RefCounted<DOMFormData>, public ContextDestructionObserver {
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(DOMFormData);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(DOMFormData, DOMFormData);
 
 public:
     using FormDataEntryValue = std::variant<String, RefPtr<Blob>>;
diff --git a/src/bun.js/bindings/ErrorStackTrace.h b/src/bun.js/bindings/ErrorStackTrace.h
index 617e416b71..3df2c966c0 100644
--- a/src/bun.js/bindings/ErrorStackTrace.h
+++ b/src/bun.js/bindings/ErrorStackTrace.h
@@ -132,7 +132,7 @@ public:
     }
     bool isConstructor() const
     {
-        return m_codeBlock && (JSC::CodeForConstruct == m_codeBlock->specializationKind());
+        return m_codeBlock && (JSC::CodeSpecializationKind::CodeForConstruct == m_codeBlock->specializationKind());
     }
 
 private:
diff --git a/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.cpp b/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.cpp
index 071f40521c..81039a09de 100644
--- a/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.cpp
+++ b/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.cpp
@@ -31,7 +31,7 @@ InspectorBunFrontendDevServerAgent::InspectorBunFrontendDevServerAgent(JSC::JSGl
 
 InspectorBunFrontendDevServerAgent::~InspectorBunFrontendDevServerAgent() = default;
 
-void InspectorBunFrontendDevServerAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*)
+void InspectorBunFrontendDevServerAgent::didCreateFrontendAndBackend()
 {
 }
 
diff --git a/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.h b/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.h
index ec4aa23f29..2ba0e33284 100644
--- a/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.h
+++ b/src/bun.js/bindings/InspectorBunFrontendDevServerAgent.h
@@ -25,7 +25,7 @@ public:
     virtual ~InspectorBunFrontendDevServerAgent() final;
 
     // InspectorAgentBase
-    virtual void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) final;
+    virtual void didCreateFrontendAndBackend() final;
     virtual void willDestroyFrontendAndBackend(DisconnectReason) final;
 
     // BunFrontendDevServerBackendDispatcherHandler
diff --git a/src/bun.js/bindings/InspectorHTTPServerAgent.cpp b/src/bun.js/bindings/InspectorHTTPServerAgent.cpp
index 9d40ff74ba..cc376d13ac 100644
--- a/src/bun.js/bindings/InspectorHTTPServerAgent.cpp
+++ b/src/bun.js/bindings/InspectorHTTPServerAgent.cpp
@@ -38,7 +38,7 @@ InspectorHTTPServerAgent::~InspectorHTTPServerAgent()
     }
 }
 
-void InspectorHTTPServerAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*)
+void InspectorHTTPServerAgent::didCreateFrontendAndBackend()
 {
 }
 
diff --git a/src/bun.js/bindings/InspectorHTTPServerAgent.h b/src/bun.js/bindings/InspectorHTTPServerAgent.h
index 3ae1827c6d..432a5fc877 100644
--- a/src/bun.js/bindings/InspectorHTTPServerAgent.h
+++ b/src/bun.js/bindings/InspectorHTTPServerAgent.h
@@ -28,7 +28,7 @@ public:
     virtual ~InspectorHTTPServerAgent();
 
     // InspectorAgentBase
-    virtual void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) final;
+    virtual void didCreateFrontendAndBackend() final;
     virtual void willDestroyFrontendAndBackend(DisconnectReason) final;
 
     // HTTPServerBackendDispatcherHandler
diff --git a/src/bun.js/bindings/InspectorLifecycleAgent.cpp b/src/bun.js/bindings/InspectorLifecycleAgent.cpp
index 6dae95566d..ceaf52a491 100644
--- a/src/bun.js/bindings/InspectorLifecycleAgent.cpp
+++ b/src/bun.js/bindings/InspectorLifecycleAgent.cpp
@@ -61,7 +61,7 @@ InspectorLifecycleAgent::~InspectorLifecycleAgent()
     }
 }
 
-void InspectorLifecycleAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*)
+void InspectorLifecycleAgent::didCreateFrontendAndBackend()
 {
 }
 
diff --git a/src/bun.js/bindings/InspectorLifecycleAgent.h b/src/bun.js/bindings/InspectorLifecycleAgent.h
index 28cfc79562..d598e7013b 100644
--- a/src/bun.js/bindings/InspectorLifecycleAgent.h
+++ b/src/bun.js/bindings/InspectorLifecycleAgent.h
@@ -25,7 +25,7 @@ public:
     virtual ~InspectorLifecycleAgent();
 
     // InspectorAgentBase
-    virtual void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) final;
+    virtual void didCreateFrontendAndBackend() final;
     virtual void willDestroyFrontendAndBackend(DisconnectReason) final;
 
     // LifecycleReporterBackendDispatcherHandler
diff --git a/src/bun.js/bindings/InspectorTestReporterAgent.cpp b/src/bun.js/bindings/InspectorTestReporterAgent.cpp
index 7543dde846..ff8de98807 100644
--- a/src/bun.js/bindings/InspectorTestReporterAgent.cpp
+++ b/src/bun.js/bindings/InspectorTestReporterAgent.cpp
@@ -109,7 +109,7 @@ InspectorTestReporterAgent::~InspectorTestReporterAgent()
     }
 }
 
-void InspectorTestReporterAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*)
+void InspectorTestReporterAgent::didCreateFrontendAndBackend()
 {
 }
 
diff --git a/src/bun.js/bindings/InspectorTestReporterAgent.h b/src/bun.js/bindings/InspectorTestReporterAgent.h
index 3f5b22d0e3..b97bd89dcf 100644
--- a/src/bun.js/bindings/InspectorTestReporterAgent.h
+++ b/src/bun.js/bindings/InspectorTestReporterAgent.h
@@ -25,7 +25,7 @@ public:
     virtual ~InspectorTestReporterAgent();
 
     // InspectorAgentBase
-    virtual void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) final;
+    virtual void didCreateFrontendAndBackend() final;
     virtual void willDestroyFrontendAndBackend(DisconnectReason) final;
 
     // TestReporterBackendDispatcherHandler
diff --git a/src/bun.js/bindings/JSCommonJSModule.cpp b/src/bun.js/bindings/JSCommonJSModule.cpp
index 2b469c502f..c0c740ec02 100644
--- a/src/bun.js/bindings/JSCommonJSModule.cpp
+++ b/src/bun.js/bindings/JSCommonJSModule.cpp
@@ -123,17 +123,20 @@ static bool evaluateCommonJSModuleOnce(JSC::VM& vm, Zig::GlobalObject* globalObj
     JSFunction* resolveFunction = nullptr;
     JSFunction* requireFunction = nullptr;
     const auto initializeModuleObject = [&]() {
+        SourceCode resolveSourceCode = makeSource("resolve"_s, SourceOrigin(), SourceTaintedOrigin::Untainted);
         resolveFunction = JSC::JSBoundFunction::create(vm,
             globalObject,
             globalObject->requireResolveFunctionUnbound(),
             moduleObject->filename(),
-            ArgList(), 1, globalObject->commonStrings().resolveString(globalObject));
+            ArgList(), 1, globalObject->commonStrings().resolveString(globalObject), resolveSourceCode);
         RETURN_IF_EXCEPTION(scope, );
+
+        SourceCode requireSourceCode = makeSource("require"_s, SourceOrigin(), SourceTaintedOrigin::Untainted);
         requireFunction = JSC::JSBoundFunction::create(vm,
             globalObject,
             globalObject->requireFunctionUnbound(),
             moduleObject,
-            ArgList(), 1, globalObject->commonStrings().requireString(globalObject));
+            ArgList(), 1, globalObject->commonStrings().requireString(globalObject), requireSourceCode);
         RETURN_IF_EXCEPTION(scope, );
         requireFunction->putDirect(vm, vm.propertyNames->resolve, resolveFunction, 0);
         RETURN_IF_EXCEPTION(scope, );
@@ -1549,18 +1552,22 @@ JSObject* JSCommonJSModule::createBoundRequireFunction(VM& vm, JSGlobalObject* l
         globalObject->CommonJSModuleObjectStructure(),
         filename, filename, dirname, SourceCode());
 
+    SourceCode requireSourceCode = makeSource("require"_s, SourceOrigin(), SourceTaintedOrigin::Untainted);
+
     JSFunction* requireFunction = JSC::JSBoundFunction::create(vm,
         globalObject,
         globalObject->requireFunctionUnbound(),
         moduleObject,
-        ArgList(), 1, globalObject->commonStrings().requireString(globalObject));
+        ArgList(), 1, globalObject->commonStrings().requireString(globalObject), requireSourceCode);
     RETURN_IF_EXCEPTION(scope, nullptr);
 
+    SourceCode resolveSourceCode = makeSource("resolve"_s, SourceOrigin(), SourceTaintedOrigin::Untainted);
+
     JSFunction* resolveFunction = JSC::JSBoundFunction::create(vm,
         globalObject,
         globalObject->requireResolveFunctionUnbound(),
         moduleObject->filename(),
-        ArgList(), 1, globalObject->commonStrings().resolveString(globalObject));
+        ArgList(), 1, globalObject->commonStrings().resolveString(globalObject), resolveSourceCode);
     RETURN_IF_EXCEPTION(scope, nullptr);
 
     requireFunction->putDirect(vm, vm.propertyNames->resolve, resolveFunction, 0);
diff --git a/src/bun.js/bindings/JSFFIFunction.cpp b/src/bun.js/bindings/JSFFIFunction.cpp
index 0e5c296607..ee99be8c8e 100644
--- a/src/bun.js/bindings/JSFFIFunction.cpp
+++ b/src/bun.js/bindings/JSFFIFunction.cpp
@@ -39,7 +39,7 @@
 
 class FFICallbackFunctionWrapper {
 
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(FFICallbackFunctionWrapper);
 
 public:
     JSC::Strong<JSC::JSFunction> m_function;
diff --git a/src/bun.js/bindings/JSPropertyIterator.cpp b/src/bun.js/bindings/JSPropertyIterator.cpp
index d9bd3ed52f..5b066bf933 100644
--- a/src/bun.js/bindings/JSPropertyIterator.cpp
+++ b/src/bun.js/bindings/JSPropertyIterator.cpp
@@ -33,7 +33,7 @@ public:
         return new JSPropertyIterator(vm, data);
     }
 
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(JSPropertyIterator);
 };
 
 extern "C" JSPropertyIterator* Bun__JSPropertyIterator__create(JSC::JSGlobalObject* globalObject, JSC::EncodedJSValue encodedValue, size_t* count, bool own_properties_only, bool only_non_index_properties)
diff --git a/src/bun.js/bindings/ScriptExecutionContext.h b/src/bun.js/bindings/ScriptExecutionContext.h
index c17894f892..ed142b9649 100644
--- a/src/bun.js/bindings/ScriptExecutionContext.h
+++ b/src/bun.js/bindings/ScriptExecutionContext.h
@@ -41,7 +41,7 @@ DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(ScriptExecutionContext);
 #endif
 class ScriptExecutionContext : public CanMakeWeakPtr<ScriptExecutionContext>, public RefCounted<ScriptExecutionContext> {
 #if ENABLE(MALLOC_BREAKDOWN)
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(ScriptExecutionContext);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(ScriptExecutionContext, ScriptExecutionContext);
 #else
     WTF_MAKE_TZONE_ALLOCATED(ScriptExecutionContext);
 #endif
diff --git a/src/bun.js/bindings/ZigGlobalObject.cpp b/src/bun.js/bindings/ZigGlobalObject.cpp
index 91fc27aa34..74d0769383 100644
--- a/src/bun.js/bindings/ZigGlobalObject.cpp
+++ b/src/bun.js/bindings/ZigGlobalObject.cpp
@@ -4464,7 +4464,8 @@ static JSC::JSPromise* handleResponseOnStreamingAction(JSGlobalObject* lexicalGl
     JSC::JSLockHolder locker(vm);
 
     auto promise = JSC::JSPromise::create(vm, globalObject->promiseStructure());
-    auto compiler = JSC::Wasm::StreamingCompiler::create(vm, mode, globalObject, promise, importObject);
+    auto sourceCode = makeSource("[wasm code]"_s, SourceOrigin(), SourceTaintedOrigin::Untainted);
+    auto compiler = JSC::Wasm::StreamingCompiler::create(vm, mode, globalObject, promise, importObject, sourceCode);
 
     // getBodyStreamOrBytesForWasmStreaming throws the proper exception. Since this is being
     // executed in a .then(...) callback, throwing is perfectly fine.
diff --git a/src/bun.js/bindings/ZigSourceProvider.h b/src/bun.js/bindings/ZigSourceProvider.h
index eddb638665..40362880f7 100644
--- a/src/bun.js/bindings/ZigSourceProvider.h
+++ b/src/bun.js/bindings/ZigSourceProvider.h
@@ -25,7 +25,7 @@ JSC::SourceID sourceIDForSourceURL(const WTF::String& sourceURL);
 void* sourceMappingForSourceURL(const WTF::String& sourceURL);
 JSC::SourceOrigin toSourceOrigin(const String& sourceURL, bool isBuiltin);
 class SourceProvider final : public JSC::SourceProvider {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(SourceProvider);
     using Base = JSC::SourceProvider;
     using BytecodeCacheGenerator = JSC::BytecodeCacheGenerator;
     using UnlinkedFunctionExecutable = JSC::UnlinkedFunctionExecutable;
diff --git a/src/bun.js/bindings/sqlite/JSSQLStatement.cpp b/src/bun.js/bindings/sqlite/JSSQLStatement.cpp
index 8a059c7e66..50a6364bdb 100644
--- a/src/bun.js/bindings/sqlite/JSSQLStatement.cpp
+++ b/src/bun.js/bindings/sqlite/JSSQLStatement.cpp
@@ -202,7 +202,7 @@ static inline JSC::JSValue jsBigIntFromSQLite(JSC::JSGlobalObject* globalObject,
 DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(VersionSqlite3);
 
 class VersionSqlite3 {
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(VersionSqlite3);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(VersionSqlite3, VersionSqlite3);
 
 public:
     explicit VersionSqlite3(sqlite3* db)
diff --git a/src/bun.js/bindings/webcore/DOMClientIsoSubspaces.h b/src/bun.js/bindings/webcore/DOMClientIsoSubspaces.h
index cfe8e1f653..44063bfc74 100644
--- a/src/bun.js/bindings/webcore/DOMClientIsoSubspaces.h
+++ b/src/bun.js/bindings/webcore/DOMClientIsoSubspaces.h
@@ -10,7 +10,7 @@ using namespace JSC;
 
 class DOMClientIsoSubspaces {
     WTF_MAKE_NONCOPYABLE(DOMClientIsoSubspaces);
-    WTF_MAKE_FAST_ALLOCATED(DOMClientIsoSubspaces);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMClientIsoSubspaces);
 
 public:
     DOMClientIsoSubspaces() = default;
diff --git a/src/bun.js/bindings/webcore/DOMConstructors.h b/src/bun.js/bindings/webcore/DOMConstructors.h
index e2feb50296..d83ef6cfe3 100644
--- a/src/bun.js/bindings/webcore/DOMConstructors.h
+++ b/src/bun.js/bindings/webcore/DOMConstructors.h
@@ -868,7 +868,7 @@ static constexpr unsigned numberOfDOMConstructors = numberOfDOMConstructorsBase
 
 class DOMConstructors {
     WTF_MAKE_NONCOPYABLE(DOMConstructors);
-    WTF_MAKE_FAST_ALLOCATED(DOMConstructors);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMConstructors);
 
 public:
     using ConstructorArray = std::array<JSC::WriteBarrier<JSC::JSObject>, numberOfDOMConstructors>;
diff --git a/src/bun.js/bindings/webcore/DOMIsoSubspaces.h b/src/bun.js/bindings/webcore/DOMIsoSubspaces.h
index 9335b8a3f8..ee4b3c2147 100644
--- a/src/bun.js/bindings/webcore/DOMIsoSubspaces.h
+++ b/src/bun.js/bindings/webcore/DOMIsoSubspaces.h
@@ -11,7 +11,7 @@ using namespace JSC;
 
 class DOMIsoSubspaces {
     WTF_MAKE_NONCOPYABLE(DOMIsoSubspaces);
-    WTF_MAKE_FAST_ALLOCATED(DOMIsoSubspaces);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMIsoSubspaces);
 
 public:
     DOMIsoSubspaces() = default;
diff --git a/src/bun.js/bindings/webcore/DOMPromiseProxy.h b/src/bun.js/bindings/webcore/DOMPromiseProxy.h
index 70d42122b7..765528460b 100644
--- a/src/bun.js/bindings/webcore/DOMPromiseProxy.h
+++ b/src/bun.js/bindings/webcore/DOMPromiseProxy.h
@@ -35,7 +35,7 @@ namespace WebCore {
 
 template<typename IDLType>
 class DOMPromiseProxy {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMPromiseProxy);
 
 public:
     using Value = typename IDLType::StorageType;
@@ -62,7 +62,7 @@ private:
 
 template<>
 class DOMPromiseProxy<IDLUndefined> {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMPromiseProxy<IDLUndefined>);
 
 public:
     DOMPromiseProxy() = default;
@@ -88,7 +88,7 @@ private:
 // FontFace and FontFaceSet.
 template<typename IDLType>
 class DOMPromiseProxyWithResolveCallback {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMPromiseProxyWithResolveCallback);
 
 public:
     using ResolveCallback = Function<typename IDLType::ParameterType()>;
diff --git a/src/bun.js/bindings/webcore/EventContext.h b/src/bun.js/bindings/webcore/EventContext.h
index 13f0469eb8..41214c9d3c 100644
--- a/src/bun.js/bindings/webcore/EventContext.h
+++ b/src/bun.js/bindings/webcore/EventContext.h
@@ -35,7 +35,7 @@
 namespace WebCore {
 
 class EventContext {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(EventContext);
 
 public:
     using EventInvokePhase = EventTarget::EventInvokePhase;
diff --git a/src/bun.js/bindings/webcore/EventNames.h b/src/bun.js/bindings/webcore/EventNames.h
index 600be7daf6..dfd9feccd6 100644
--- a/src/bun.js/bindings/webcore/EventNames.h
+++ b/src/bun.js/bindings/webcore/EventNames.h
@@ -42,7 +42,7 @@ namespace WebCore {
 
 struct EventNames {
     WTF_MAKE_NONCOPYABLE(EventNames);
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(EventNames);
 
 public:
 #define DOM_EVENT_NAMES_DECLARE(name) const AtomString name##Event;
diff --git a/src/bun.js/bindings/webcore/EventSender.h b/src/bun.js/bindings/webcore/EventSender.h
index 246329841d..53bd9183e0 100644
--- a/src/bun.js/bindings/webcore/EventSender.h
+++ b/src/bun.js/bindings/webcore/EventSender.h
@@ -35,7 +35,7 @@ class Page;
 
 template<typename T> class EventSender {
     WTF_MAKE_NONCOPYABLE(EventSender);
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(EventSender);
 
 public:
     explicit EventSender(const AtomString& eventType);
diff --git a/src/bun.js/bindings/webcore/FetchHeaders.h b/src/bun.js/bindings/webcore/FetchHeaders.h
index eac56928c7..c7b7d73eb9 100644
--- a/src/bun.js/bindings/webcore/FetchHeaders.h
+++ b/src/bun.js/bindings/webcore/FetchHeaders.h
@@ -41,7 +41,7 @@ class ScriptExecutionContext;
 DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(FetchHeaders);
 
 class FetchHeaders : public RefCounted<FetchHeaders> {
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(FetchHeaders);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(FetchHeaders, FetchHeaders);
 
 public:
     enum class Guard {
diff --git a/src/bun.js/bindings/webcore/JSCallbackData.h b/src/bun.js/bindings/webcore/JSCallbackData.h
index aaf58e24b8..4351a5ab5c 100644
--- a/src/bun.js/bindings/webcore/JSCallbackData.h
+++ b/src/bun.js/bindings/webcore/JSCallbackData.h
@@ -42,7 +42,7 @@ namespace WebCore {
 // (and synchronization would be slow).
 
 class JSCallbackData {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(JSCallbackData);
 
 public:
     enum class CallbackType { Function,
diff --git a/src/bun.js/bindings/webcore/JSDOMPromiseDeferred.h b/src/bun.js/bindings/webcore/JSDOMPromiseDeferred.h
index 0cb1a98a11..9baae7d982 100644
--- a/src/bun.js/bindings/webcore/JSDOMPromiseDeferred.h
+++ b/src/bun.js/bindings/webcore/JSDOMPromiseDeferred.h
@@ -213,7 +213,7 @@ private:
 };
 
 class DOMPromiseDeferredBase {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(DOMPromiseDeferredBase);
 
 public:
     DOMPromiseDeferredBase(Ref<DeferredPromise>&& genericPromise)
diff --git a/src/bun.js/bindings/webcore/JSEventEmitterCustom.h b/src/bun.js/bindings/webcore/JSEventEmitterCustom.h
index 91c9f8732f..e06e79101e 100644
--- a/src/bun.js/bindings/webcore/JSEventEmitterCustom.h
+++ b/src/bun.js/bindings/webcore/JSEventEmitterCustom.h
@@ -7,7 +7,7 @@ namespace WebCore {
 
 // Wrapper type for JSEventEmitter's castedThis because JSDOMWindow and JSWorkerGlobalScope do not inherit JSEventEmitter.
 class JSEventEmitterWrapper {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(JSEventEmitterWrapper);
 
 public:
     JSEventEmitterWrapper(EventEmitter& wrapped, JSC::JSObject* wrapper)
diff --git a/src/bun.js/bindings/webcore/JSEventTargetCustom.h b/src/bun.js/bindings/webcore/JSEventTargetCustom.h
index e719800691..8987f8226d 100644
--- a/src/bun.js/bindings/webcore/JSEventTargetCustom.h
+++ b/src/bun.js/bindings/webcore/JSEventTargetCustom.h
@@ -32,7 +32,7 @@ namespace WebCore {
 
 // Wrapper type for JSEventTarget's castedThis because JSDOMWindow and JSWorkerGlobalScope do not inherit JSEventTarget.
 class JSEventTargetWrapper {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(JSEventTargetWrapper);
 
 public:
     JSEventTargetWrapper(EventTarget& wrapped, JSC::JSObject& wrapper)
diff --git a/src/bun.js/bindings/webcore/NetworkLoadMetrics.h b/src/bun.js/bindings/webcore/NetworkLoadMetrics.h
index 5e1951f84e..b1591cf203 100644
--- a/src/bun.js/bindings/webcore/NetworkLoadMetrics.h
+++ b/src/bun.js/bindings/webcore/NetworkLoadMetrics.h
@@ -61,7 +61,7 @@ constexpr MonotonicTime reusedTLSConnectionSentinel { MonotonicTime::fromRawSeco
 struct AdditionalNetworkLoadMetricsForWebInspector;
 
 class NetworkLoadMetrics {
-    WTF_MAKE_FAST_ALLOCATED(NetworkLoadMetrics);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(NetworkLoadMetrics);
 
 public:
     WEBCORE_EXPORT NetworkLoadMetrics();
diff --git a/src/bun.js/bindings/webcore/PerformanceEntry.h b/src/bun.js/bindings/webcore/PerformanceEntry.h
index 1fb135c68f..bb4ed94db7 100644
--- a/src/bun.js/bindings/webcore/PerformanceEntry.h
+++ b/src/bun.js/bindings/webcore/PerformanceEntry.h
@@ -39,7 +39,7 @@ namespace WebCore {
 
 DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(PerformanceEntry);
 class PerformanceEntry : public RefCounted<PerformanceEntry> {
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(PerformanceEntry);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(PerformanceEntry, PerformanceEntry);
 
 public:
     virtual ~PerformanceEntry();
diff --git a/src/bun.js/bindings/webcore/PerformanceObserverEntryList.h b/src/bun.js/bindings/webcore/PerformanceObserverEntryList.h
index 61f615c888..ac1bc2823a 100644
--- a/src/bun.js/bindings/webcore/PerformanceObserverEntryList.h
+++ b/src/bun.js/bindings/webcore/PerformanceObserverEntryList.h
@@ -34,7 +34,7 @@ namespace WebCore {
 class PerformanceEntry;
 
 class PerformanceObserverEntryList : public RefCounted<PerformanceObserverEntryList> {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(PerformanceObserverEntryList);
 
 public:
     static Ref<PerformanceObserverEntryList> create(Vector<RefPtr<PerformanceEntry>>&& entries);
diff --git a/src/bun.js/bindings/webcore/PerformanceUserTiming.h b/src/bun.js/bindings/webcore/PerformanceUserTiming.h
index 69f734fd73..4973c1f05d 100644
--- a/src/bun.js/bindings/webcore/PerformanceUserTiming.h
+++ b/src/bun.js/bindings/webcore/PerformanceUserTiming.h
@@ -42,7 +42,7 @@ class Performance;
 using PerformanceEntryMap = HashMap<String, Vector<RefPtr<PerformanceEntry>>>;
 
 class PerformanceUserTiming {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(PerformanceUserTiming);
 
 public:
     explicit PerformanceUserTiming(Performance&);
diff --git a/src/bun.js/bindings/webcore/ResourceTiming.h b/src/bun.js/bindings/webcore/ResourceTiming.h
index b3a763971b..996874cfe8 100644
--- a/src/bun.js/bindings/webcore/ResourceTiming.h
+++ b/src/bun.js/bindings/webcore/ResourceTiming.h
@@ -42,7 +42,7 @@ class SecurityOrigin;
 DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(ResourceTiming);
 
 class ResourceTiming {
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(ResourceTiming);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(ResourceTiming, ResourceTiming);
 
 public:
     // static ResourceTiming fromMemoryCache(const URL&, const String& initiator const ResourceResponse&, const NetworkLoadMetrics&, const SecurityOrigin&);
diff --git a/src/bun.js/bindings/webcore/SerializedScriptValue.h b/src/bun.js/bindings/webcore/SerializedScriptValue.h
index f3ed0f33d3..11342a26c5 100644
--- a/src/bun.js/bindings/webcore/SerializedScriptValue.h
+++ b/src/bun.js/bindings/webcore/SerializedScriptValue.h
@@ -86,7 +86,7 @@ using WasmMemoryHandleArray = Vector<RefPtr<JSC::SharedArrayBufferContents>>;
 
 DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(SerializedScriptValue);
 class SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> {
-    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(SerializedScriptValue);
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(SerializedScriptValue, SerializedScriptValue);
 
 public:
     static SYSV_ABI void writeBytesForBun(CloneSerializer*, const uint8_t*, uint32_t);
@@ -249,7 +249,7 @@ void SerializedScriptValue::encode(Encoder& encoder) const
     for (const auto& videoChunk : m_serializedVideoChunks)
         encoder << videoChunk->data();
 
-        // FIXME: encode video frames
+    // FIXME: encode video frames
 #endif
 }
 
diff --git a/src/bun.js/bindings/webcrypto/CryptoAlgorithmParameters.h b/src/bun.js/bindings/webcrypto/CryptoAlgorithmParameters.h
index cb6ec5d551..b84a2d331d 100644
--- a/src/bun.js/bindings/webcrypto/CryptoAlgorithmParameters.h
+++ b/src/bun.js/bindings/webcrypto/CryptoAlgorithmParameters.h
@@ -34,7 +34,7 @@
 namespace WebCore {
 
 class CryptoAlgorithmParameters {
-    WTF_MAKE_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_FAST_ALLOCATED(CryptoAlgorithmParameters);
 
 public:
     enum class Class {
diff --git a/src/bun.js/bindings/webcrypto/CryptoDigest.cpp b/src/bun.js/bindings/webcrypto/CryptoDigest.cpp
index e3c83484fb..0c8f3aa5e8 100644
--- a/src/bun.js/bindings/webcrypto/CryptoDigest.cpp
+++ b/src/bun.js/bindings/webcrypto/CryptoDigest.cpp
@@ -75,7 +75,7 @@ struct CryptoDigestContext {
 
 template<typename SHAContext, typename SHAFunctions>
 struct CryptoDigestContextImpl : public CryptoDigestContext {
-    WTF_MAKE_STRUCT_FAST_ALLOCATED;
+    WTF_DEPRECATED_MAKE_STRUCT_FAST_ALLOCATED(CryptoDigestContextImpl);
 
     static std::unique_ptr<CryptoDigestContext> create()
     {
diff --git a/src/bun.js/modules/BunJSCModule.h b/src/bun.js/modules/BunJSCModule.h
index e5aed312d2..326a944945 100644
--- a/src/bun.js/modules/BunJSCModule.h
+++ b/src/bun.js/modules/BunJSCModule.h
@@ -225,10 +225,10 @@ JSC_DEFINE_HOST_FUNCTION(functionMemoryUsageStatistics,
     }
 
     const auto createdSortedTypeCounts =
-        [&](JSC::TypeCountSet* typeCounts) -> JSC::JSValue {
+        [&](JSC::TypeCountSet const& typeCounts) -> JSC::JSValue {
         WTF::Vector<std::pair<Identifier, unsigned>> counts;
-        counts.reserveInitialCapacity(typeCounts->size());
-        for (auto& it : *typeCounts) {
+        counts.reserveInitialCapacity(typeCounts.size());
+        for (auto& it : typeCounts) {
             if (it.value > 0)
                 counts.append(
                     std::make_pair(Identifier::fromString(vm, it.key), it.value));
@@ -264,8 +264,8 @@ JSC_DEFINE_HOST_FUNCTION(functionMemoryUsageStatistics,
         return objectTypeCounts;
     };
 
-    JSValue objectTypeCounts = createdSortedTypeCounts(vm.heap.objectTypeCounts().get());
-    JSValue protectedCounts = createdSortedTypeCounts(vm.heap.protectedObjectTypeCounts().get());
+    JSValue objectTypeCounts = createdSortedTypeCounts(vm.heap.objectTypeCounts());
+    JSValue protectedCounts = createdSortedTypeCounts(vm.heap.protectedObjectTypeCounts());
 
     JSObject* object = constructEmptyObject(globalObject);
     object->putDirect(vm, Identifier::fromString(vm, "objectTypeCounts"_s),