From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: deepak1556 <hop2deep@gmail.com>
Date: Mon, 1 Sep 2025 03:13:53 +0900
Subject: Remove deprecated `GetIsolate`

https://chromium-review.googlesource.com/c/v8/v8/+/6905244

diff --git a/src/api/environment.cc b/src/api/environment.cc
index 451796ffc4ec93b6e317dd49d92070c61aca04e5..ea3e9374c30be92ba5668e33773ffbb2aef55b30 100644
--- a/src/api/environment.cc
+++ b/src/api/environment.cc
@@ -687,7 +687,7 @@ std::unique_ptr<MultiIsolatePlatform> MultiIsolatePlatform::Create(
 
 MaybeLocal<Object> GetPerContextExports(Local<Context> context,
                                         IsolateData* isolate_data) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   EscapableHandleScope handle_scope(isolate);
 
   Local<Object> global = context->Global();
@@ -733,7 +733,7 @@ void ProtoThrower(const FunctionCallbackInfo<Value>& info) {
 // This runs at runtime, regardless of whether the context
 // is created from a snapshot.
 Maybe<void> InitializeContextRuntime(Local<Context> context) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   HandleScope handle_scope(isolate);
 
   // When `IsCodeGenerationFromStringsAllowed` is true, V8 takes the fast path
@@ -812,7 +812,7 @@ Maybe<void> InitializeContextRuntime(Local<Context> context) {
 }
 
 Maybe<void> InitializeBaseContextForSnapshot(Local<Context> context) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   HandleScope handle_scope(isolate);
 
   // Delete `Intl.v8BreakIterator`
@@ -837,7 +837,7 @@ Maybe<void> InitializeBaseContextForSnapshot(Local<Context> context) {
 }
 
 Maybe<void> InitializeMainContextForSnapshot(Local<Context> context) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   HandleScope handle_scope(isolate);
 
   // Initialize the default values.
@@ -855,7 +855,7 @@ Maybe<void> InitializeMainContextForSnapshot(Local<Context> context) {
 MaybeLocal<Object> InitializePrivateSymbols(Local<Context> context,
                                             IsolateData* isolate_data) {
   CHECK(isolate_data);
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   EscapableHandleScope scope(isolate);
   Context::Scope context_scope(context);
 
@@ -879,7 +879,7 @@ MaybeLocal<Object> InitializePrivateSymbols(Local<Context> context,
 MaybeLocal<Object> InitializePerIsolateSymbols(Local<Context> context,
                                                IsolateData* isolate_data) {
   CHECK(isolate_data);
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   EscapableHandleScope scope(isolate);
   Context::Scope context_scope(context);
 
@@ -905,7 +905,7 @@ MaybeLocal<Object> InitializePerIsolateSymbols(Local<Context> context,
 Maybe<void> InitializePrimordials(Local<Context> context,
                                   IsolateData* isolate_data) {
   // Run per-context JS files.
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Context::Scope context_scope(context);
   Local<Object> exports;
 
diff --git a/src/base_object-inl.h b/src/base_object-inl.h
index cc60ddddb037e0279615bbe24821eb20fd8da677..37d83e41b618a07aca98118260abe9618f11256d 100644
--- a/src/base_object-inl.h
+++ b/src/base_object-inl.h
@@ -55,7 +55,6 @@ v8::Local<v8::Object> BaseObject::object() const {
 v8::Local<v8::Object> BaseObject::object(v8::Isolate* isolate) const {
   v8::Local<v8::Object> handle = object();
 
-  DCHECK_EQ(handle->GetCreationContextChecked()->GetIsolate(), isolate);
   DCHECK_EQ(env()->isolate(), isolate);
 
   return handle;
diff --git a/src/crypto/crypto_context.cc b/src/crypto/crypto_context.cc
index 20d3c1d9d17fde18fc09b6ee219137831eb08a45..8fbf4f25a91b953f3d2868889c7ee06932ee3c5f 100644
--- a/src/crypto/crypto_context.cc
+++ b/src/crypto/crypto_context.cc
@@ -1022,7 +1022,7 @@ bool ArrayOfStringsToX509s(Local<Context> context,
                            Local<Array> cert_array,
                            std::vector<X509*>* certs) {
   ClearErrorOnReturn clear_error_on_return;
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Environment* env = Environment::GetCurrent(context);
   uint32_t array_length = cert_array->Length();
 
diff --git a/src/crypto/crypto_x509.cc b/src/crypto/crypto_x509.cc
index 4c5427596d1c90d3a413cdd9ff4f1151e657073d..70135a6be65e41fcb3564ddf6d1e8083a59ef8bb 100644
--- a/src/crypto/crypto_x509.cc
+++ b/src/crypto/crypto_x509.cc
@@ -107,7 +107,7 @@ MaybeLocal<Value> ToV8Value(Local<Context> context, BIOPointer&& bio) {
     return {};
   BUF_MEM* mem = bio;
   Local<Value> ret;
-  if (!String::NewFromUtf8(context->GetIsolate(),
+  if (!String::NewFromUtf8(Isolate::GetCurrent(),
                            mem->data,
                            NewStringType::kNormal,
                            mem->length)
@@ -121,7 +121,7 @@ MaybeLocal<Value> ToV8Value(Local<Context> context, const BIOPointer& bio) {
     return {};
   BUF_MEM* mem = bio;
   Local<Value> ret;
-  if (!String::NewFromUtf8(context->GetIsolate(),
+  if (!String::NewFromUtf8(Isolate::GetCurrent(),
                            mem->data,
                            NewStringType::kNormal,
                            mem->length)
diff --git a/src/encoding_binding.cc b/src/encoding_binding.cc
index 266f640fb1c6503a424e77cc41fc15bc658bb6a5..877ae8a18f6b8f2c7e3474dfba060d99db88e6b9 100644
--- a/src/encoding_binding.cc
+++ b/src/encoding_binding.cc
@@ -76,7 +76,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   // Recreate the buffer in the constructor.
   InternalFieldInfo* casted_info = static_cast<InternalFieldInfo*>(info);
diff --git a/src/env.cc b/src/env.cc
index a78817467518245c4a190e870e0eb30658eafcdb..13dcf0e9c2c86486d1e43763033f43ac4e6b6feb 100644
--- a/src/env.cc
+++ b/src/env.cc
@@ -1753,10 +1753,10 @@ void AsyncHooks::Deserialize(Local<Context> context) {
         context->GetDataFromSnapshotOnce<Array>(
             info_->js_execution_async_resources).ToLocalChecked();
   } else {
-    js_execution_async_resources = Array::New(context->GetIsolate());
+    js_execution_async_resources = Array::New(Isolate::GetCurrent());
   }
   js_execution_async_resources_.Reset(
-      context->GetIsolate(), js_execution_async_resources);
+      Isolate::GetCurrent(), js_execution_async_resources);
 
   // The native_execution_async_resources_ field requires v8::Local<> instances
   // for async calls whose resources were on the stack as JS objects when they
@@ -1796,7 +1796,7 @@ AsyncHooks::SerializeInfo AsyncHooks::Serialize(Local<Context> context,
   info.async_id_fields = async_id_fields_.Serialize(context, creator);
   if (!js_execution_async_resources_.IsEmpty()) {
     info.js_execution_async_resources = creator->AddData(
-        context, js_execution_async_resources_.Get(context->GetIsolate()));
+        context, js_execution_async_resources_.Get(Isolate::GetCurrent()));
     CHECK_NE(info.js_execution_async_resources, 0);
   } else {
     info.js_execution_async_resources = 0;
diff --git a/src/inspector/network_agent.cc b/src/inspector/network_agent.cc
index aacd4e8cb83c88649537ab5d9e1ce752ea5b87a8..a47ea86adb9da081a125b6590bcd96f43053d44b 100644
--- a/src/inspector/network_agent.cc
+++ b/src/inspector/network_agent.cc
@@ -31,31 +31,31 @@ constexpr size_t kDefaultMaxTotalBufferSize = 100 * 1024 * 1024;  // 100MB
 Maybe<protocol::String> ObjectGetProtocolString(v8::Local<v8::Context> context,
                                                 Local<Object> object,
                                                 Local<v8::String> property) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   Local<Value> value;
   if (!object->Get(context, property).ToLocal(&value) || !value->IsString()) {
     return Nothing<protocol::String>();
   }
   Local<v8::String> str = value.As<v8::String>();
-  return Just(ToProtocolString(context->GetIsolate(), str));
+  return Just(ToProtocolString(v8::Isolate::GetCurrent(), str));
 }
 
 // Get a protocol string property from the object.
 Maybe<protocol::String> ObjectGetProtocolString(v8::Local<v8::Context> context,
                                                 Local<Object> object,
                                                 const char* property) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   return ObjectGetProtocolString(
-      context, object, OneByteString(context->GetIsolate(), property));
+      context, object, OneByteString(v8::Isolate::GetCurrent(), property));
 }
 
 // Get a protocol double property from the object.
 Maybe<double> ObjectGetDouble(v8::Local<v8::Context> context,
                               Local<Object> object,
                               const char* property) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   Local<Value> value;
-  if (!object->Get(context, OneByteString(context->GetIsolate(), property))
+  if (!object->Get(context, OneByteString(v8::Isolate::GetCurrent(), property))
            .ToLocal(&value) ||
       !value->IsNumber()) {
     return Nothing<double>();
@@ -67,9 +67,9 @@ Maybe<double> ObjectGetDouble(v8::Local<v8::Context> context,
 Maybe<int> ObjectGetInt(v8::Local<v8::Context> context,
                         Local<Object> object,
                         const char* property) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   Local<Value> value;
-  if (!object->Get(context, OneByteString(context->GetIsolate(), property))
+  if (!object->Get(context, OneByteString(v8::Isolate::GetCurrent(), property))
            .ToLocal(&value) ||
       !value->IsInt32()) {
     return Nothing<int>();
@@ -81,9 +81,9 @@ Maybe<int> ObjectGetInt(v8::Local<v8::Context> context,
 Maybe<bool> ObjectGetBool(v8::Local<v8::Context> context,
                           Local<Object> object,
                           const char* property) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   Local<Value> value;
-  if (!object->Get(context, OneByteString(context->GetIsolate(), property))
+  if (!object->Get(context, OneByteString(v8::Isolate::GetCurrent(), property))
            .ToLocal(&value) ||
       !value->IsBoolean()) {
     return Nothing<bool>();
@@ -95,9 +95,9 @@ Maybe<bool> ObjectGetBool(v8::Local<v8::Context> context,
 MaybeLocal<v8::Object> ObjectGetObject(v8::Local<v8::Context> context,
                                        Local<Object> object,
                                        const char* property) {
-  EscapableHandleScope handle_scope(context->GetIsolate());
+  EscapableHandleScope handle_scope(v8::Isolate::GetCurrent());
   Local<Value> value;
-  if (!object->Get(context, OneByteString(context->GetIsolate(), property))
+  if (!object->Get(context, OneByteString(v8::Isolate::GetCurrent(), property))
            .ToLocal(&value) ||
       !value->IsObject()) {
     return {};
@@ -108,7 +108,7 @@ MaybeLocal<v8::Object> ObjectGetObject(v8::Local<v8::Context> context,
 // Create a protocol::Network::Headers from the v8 object.
 std::unique_ptr<protocol::Network::Headers> createHeadersFromObject(
     v8::Local<v8::Context> context, Local<Object> headers_obj) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
 
   std::unique_ptr<protocol::DictionaryValue> dict =
       protocol::DictionaryValue::create();
@@ -129,7 +129,7 @@ std::unique_ptr<protocol::Network::Headers> createHeadersFromObject(
              .To(&property_value)) {
       return {};
     }
-    dict->setString(ToProtocolString(context->GetIsolate(), property_name),
+    dict->setString(ToProtocolString(v8::Isolate::GetCurrent(), property_name),
                     property_value);
   }
 
@@ -139,7 +139,7 @@ std::unique_ptr<protocol::Network::Headers> createHeadersFromObject(
 // Create a protocol::Network::Request from the v8 object.
 std::unique_ptr<protocol::Network::Request> createRequestFromObject(
     v8::Local<v8::Context> context, Local<Object> request) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   protocol::String url;
   if (!ObjectGetProtocolString(context, request, "url").To(&url)) {
     return {};
@@ -171,7 +171,7 @@ std::unique_ptr<protocol::Network::Request> createRequestFromObject(
 // Create a protocol::Network::Response from the v8 object.
 std::unique_ptr<protocol::Network::Response> createResponseFromObject(
     v8::Local<v8::Context> context, Local<Object> response) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   protocol::String url;
   if (!ObjectGetProtocolString(context, response, "url").To(&url)) {
     return {};
@@ -212,7 +212,7 @@ std::unique_ptr<protocol::Network::Response> createResponseFromObject(
 
 std::unique_ptr<protocol::Network::WebSocketResponse> createWebSocketResponse(
     v8::Local<v8::Context> context, Local<Object> response) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(v8::Isolate::GetCurrent());
   int status;
   if (!ObjectGetInt(context, response, "status").To(&status)) {
     return {};
diff --git a/src/js_native_api_v8.h b/src/js_native_api_v8.h
index 27aeac589b19cd681923fb848ce5f36c66fc05e2..5f2900869763f40cac54e3cb3fe2e24eda615410 100644
--- a/src/js_native_api_v8.h
+++ b/src/js_native_api_v8.h
@@ -53,7 +53,7 @@ class RefTracker {
 struct napi_env__ {
   explicit napi_env__(v8::Local<v8::Context> context,
                       int32_t module_api_version)
-      : isolate(context->GetIsolate()),
+      : isolate(v8::Isolate::GetCurrent()),
         context_persistent(isolate, context),
         module_api_version(module_api_version) {
     napi_clear_last_error(this);
diff --git a/src/module_wrap.cc b/src/module_wrap.cc
index fa2f28989be19e8ea8f53b990ae96be92ef3c3a3..c26d1301d7b81a6c281d5465bfb29a5786b09dc2 100644
--- a/src/module_wrap.cc
+++ b/src/module_wrap.cc
@@ -99,7 +99,7 @@ ModuleCacheKey ModuleCacheKey::From(Local<Context> context,
                                     Local<String> specifier,
                                     Local<FixedArray> import_attributes) {
   CHECK_EQ(import_attributes->Length() % elements_per_attribute, 0);
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   std::size_t h1 = specifier->GetIdentityHash();
   size_t num_attributes = import_attributes->Length() / elements_per_attribute;
   ImportAttributeVector attributes;
@@ -1023,7 +1023,7 @@ MaybeLocal<Module> ModuleWrap::ResolveModuleCallback(
     return {};
   }
   DCHECK_NOT_NULL(resolved_module);
-  return resolved_module->module_.Get(context->GetIsolate());
+  return resolved_module->module_.Get(Isolate::GetCurrent());
 }
 
 // static
@@ -1047,7 +1047,7 @@ MaybeLocal<Object> ModuleWrap::ResolveSourceCallback(
     Local<String> url = resolved_module->object()
                             ->GetInternalField(ModuleWrap::kURLSlot)
                             .As<String>();
-    THROW_ERR_SOURCE_PHASE_NOT_DEFINED(context->GetIsolate(), url);
+    THROW_ERR_SOURCE_PHASE_NOT_DEFINED(Isolate::GetCurrent(), url);
     return {};
   }
   CHECK(module_source_object->IsObject());
@@ -1060,7 +1060,7 @@ Maybe<ModuleWrap*> ModuleWrap::ResolveModule(
     Local<String> specifier,
     Local<FixedArray> import_attributes,
     Local<Module> referrer) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Environment* env = Environment::GetCurrent(context);
   if (env == nullptr) {
     THROW_ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE(isolate);
@@ -1105,7 +1105,7 @@ MaybeLocal<Promise> ImportModuleDynamicallyWithPhase(
     Local<String> specifier,
     ModuleImportPhase phase,
     Local<FixedArray> import_attributes) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Environment* env = Environment::GetCurrent(context);
   if (env == nullptr) {
     THROW_ERR_EXECUTION_ENVIRONMENT_NOT_AVAILABLE(isolate);
@@ -1347,7 +1347,7 @@ MaybeLocal<Module> LinkRequireFacadeWithOriginal(
     Local<FixedArray> import_attributes,
     Local<Module> referrer) {
   Environment* env = Environment::GetCurrent(context);
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   CHECK(specifier->Equals(context, env->original_string()).ToChecked());
   CHECK(!env->temporary_required_module_facade_original.IsEmpty());
   return env->temporary_required_module_facade_original.Get(isolate);
diff --git a/src/node.h b/src/node.h
index 486d941cf0c5c4588604f3808807717aaed2f018..754e8ce35e006946c276b63c184cde6e1bbf881a 100644
--- a/src/node.h
+++ b/src/node.h
@@ -1065,7 +1065,7 @@ NODE_DEPRECATED("Use v8::Date::ValueOf() directly",
 
 #define NODE_DEFINE_CONSTANT(target, constant)                                 \
   do {                                                                         \
-    v8::Isolate* isolate = target->GetIsolate();                               \
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();                          \
     v8::Local<v8::Context> context = isolate->GetCurrentContext();             \
     v8::Local<v8::String> constant_name = v8::String::NewFromUtf8Literal(      \
         isolate, #constant, v8::NewStringType::kInternalized);                 \
@@ -1081,7 +1081,7 @@ NODE_DEPRECATED("Use v8::Date::ValueOf() directly",
 
 #define NODE_DEFINE_HIDDEN_CONSTANT(target, constant)                          \
   do {                                                                         \
-    v8::Isolate* isolate = target->GetIsolate();                               \
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();                          \
     v8::Local<v8::Context> context = isolate->GetCurrentContext();             \
     v8::Local<v8::String> constant_name = v8::String::NewFromUtf8Literal(      \
         isolate, #constant, v8::NewStringType::kInternalized);                 \
diff --git a/src/node_blob.cc b/src/node_blob.cc
index d278a32c9934c15bc721da164efccca7bc7e7111..ab862bf93a411e6ae6da7c9f9706cee279a0ad70 100644
--- a/src/node_blob.cc
+++ b/src/node_blob.cc
@@ -554,7 +554,7 @@ void BlobBindingData::Deserialize(Local<Context> context,
                                   int index,
                                   InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   BlobBindingData* binding = realm->AddBindingData<BlobBindingData>(holder);
   CHECK_NOT_NULL(binding);
diff --git a/src/node_builtins.cc b/src/node_builtins.cc
index e69eb280050cae0c0f394b2f956eef947e628904..9bb4576fcf4f07550e7d6f4ff2310cedc8093c5f 100644
--- a/src/node_builtins.cc
+++ b/src/node_builtins.cc
@@ -274,7 +274,7 @@ MaybeLocal<Function> BuiltinLoader::LookupAndCompileInternal(
     const char* id,
     LocalVector<String>* parameters,
     Realm* optional_realm) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   EscapableHandleScope scope(isolate);
 
   Local<String> source;
@@ -396,7 +396,7 @@ void BuiltinLoader::SaveCodeCache(const char* id, Local<Function> fun) {
 MaybeLocal<Function> BuiltinLoader::LookupAndCompile(Local<Context> context,
                                                      const char* id,
                                                      Realm* optional_realm) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   LocalVector<String> parameters(isolate);
   // Detects parameters of the scripts based on module ids.
   // internal/bootstrap/realm: process, getLinkedBinding,
@@ -450,7 +450,7 @@ MaybeLocal<Function> BuiltinLoader::LookupAndCompile(Local<Context> context,
 MaybeLocal<Value> BuiltinLoader::CompileAndCall(Local<Context> context,
                                                 const char* id,
                                                 Realm* realm) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   // Detects parameters of the scripts based on module ids.
   // internal/bootstrap/realm: process, getLinkedBinding,
   //                           getInternalBinding, primordials
@@ -506,7 +506,7 @@ MaybeLocal<Value> BuiltinLoader::CompileAndCall(Local<Context> context,
   if (!maybe_fn.ToLocal(&fn)) {
     return MaybeLocal<Value>();
   }
-  Local<Value> undefined = Undefined(context->GetIsolate());
+  Local<Value> undefined = Undefined(Isolate::GetCurrent());
   return fn->Call(context, undefined, argc, argv);
 }
 
@@ -544,14 +544,14 @@ bool BuiltinLoader::CompileAllBuiltinsAndCopyCodeCache(
       to_eager_compile_.emplace(id);
     }
 
-    TryCatch bootstrapCatch(context->GetIsolate());
+    TryCatch bootstrapCatch(Isolate::GetCurrent());
     auto fn = LookupAndCompile(context, id.data(), nullptr);
     if (bootstrapCatch.HasCaught()) {
       per_process::Debug(DebugCategory::CODE_CACHE,
                          "Failed to compile code cache for %s\n",
                          id.data());
       all_succeeded = false;
-      PrintCaughtException(context->GetIsolate(), context, bootstrapCatch);
+      PrintCaughtException(Isolate::GetCurrent(), context, bootstrapCatch);
     } else {
       // This is used by the snapshot builder, so save the code cache
       // unconditionally.
diff --git a/src/node_constants.cc b/src/node_constants.cc
index fea0426496978c0003fe1481afcf93fc9c23edca..c9588880d05435ab9f4e23fcff74c93309664270 100644
--- a/src/node_constants.cc
+++ b/src/node_constants.cc
@@ -1265,7 +1265,7 @@ void CreatePerContextProperties(Local<Object> target,
                                 Local<Value> unused,
                                 Local<Context> context,
                                 void* priv) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Environment* env = Environment::GetCurrent(context);
 
   CHECK(
diff --git a/src/node_contextify.cc b/src/node_contextify.cc
index 3c234205e89be7e976dae5c3fcc73ca67953e034..e66d4fcb0c064f96cdb819c783027d864fe88d12 100644
--- a/src/node_contextify.cc
+++ b/src/node_contextify.cc
@@ -113,7 +113,7 @@ namespace {
 
 // Convert an int to a V8 Name (String or Symbol).
 MaybeLocal<String> Uint32ToName(Local<Context> context, uint32_t index) {
-  return Uint32::New(context->GetIsolate(), index)->ToString(context);
+  return Uint32::New(Isolate::GetCurrent(), index)->ToString(context);
 }
 
 }  // anonymous namespace
@@ -677,7 +677,7 @@ Intercepted ContextifyContext::PropertyDefinerCallback(
   }
 
   Local<Context> context = ctx->context();
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
 
   PropertyAttribute attributes = PropertyAttribute::None;
   bool is_declared =
@@ -1666,7 +1666,7 @@ static MaybeLocal<Function> CompileFunctionForCJSLoader(
     bool* cache_rejected,
     bool is_cjs_scope,
     ScriptCompiler::CachedData* cached_data) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   EscapableHandleScope scope(isolate);
 
   Local<Symbol> symbol = env->vm_dynamic_import_default_internal();
diff --git a/src/node_env_var.cc b/src/node_env_var.cc
index 6aad252eb5681bb9ab9890812602b43c418e7a7f..5f7ef8cc58f589ba30a44abaaaaaf1514458c3f0 100644
--- a/src/node_env_var.cc
+++ b/src/node_env_var.cc
@@ -311,7 +311,7 @@ std::shared_ptr<KVStore> KVStore::CreateMapKVStore() {
 
 Maybe<void> KVStore::AssignFromObject(Local<Context> context,
                                       Local<Object> entries) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   HandleScope handle_scope(isolate);
   Local<Array> keys;
   if (!entries->GetOwnPropertyNames(context).ToLocal(&keys))
diff --git a/src/node_errors.cc b/src/node_errors.cc
index 15d78e3eca9693dc518ccb28fc7c02fa1372f34b..9286d20c19a1e06001ca4b60981291d320858064 100644
--- a/src/node_errors.cc
+++ b/src/node_errors.cc
@@ -633,7 +633,7 @@ v8::ModifyCodeGenerationFromStringsResult ModifyCodeGenerationFromStrings(
     v8::Local<v8::Context> context,
     v8::Local<v8::Value> source,
     bool is_code_like) {
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
 
   if (context->GetNumberOfEmbedderDataFields() <=
       ContextEmbedderIndex::kAllowCodeGenerationFromStrings) {
@@ -1000,7 +1000,7 @@ const char* errno_string(int errorno) {
 }
 
 void PerIsolateMessageListener(Local<Message> message, Local<Value> error) {
-  Isolate* isolate = message->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   switch (message->ErrorLevel()) {
     case Isolate::MessageErrorLevel::kMessageWarning: {
       Environment* env = Environment::GetCurrent(isolate);
@@ -1160,7 +1160,7 @@ void Initialize(Local<Object> target,
   SetMethod(
       context, target, "getErrorSourcePositions", GetErrorSourcePositions);
 
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<Object> exit_codes = Object::New(isolate);
   READONLY_PROPERTY(target, "exitCodes", exit_codes);
 
diff --git a/src/node_file.cc b/src/node_file.cc
index d73dac2ee3f1cf1cac6845fae0f702c9fba8fcef..969e7d08086f8442bed476feaf15599b8c79db7c 100644
--- a/src/node_file.cc
+++ b/src/node_file.cc
@@ -3874,7 +3874,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   InternalFieldInfo* casted_info = static_cast<InternalFieldInfo*>(info);
   BindingData* binding =
diff --git a/src/node_messaging.cc b/src/node_messaging.cc
index 57e068ae249d618c2658638f9f3b03e1fedb6524..8c51ae4e0a435971c6d0288af87810877dd31a49 100644
--- a/src/node_messaging.cc
+++ b/src/node_messaging.cc
@@ -254,7 +254,7 @@ namespace {
 
 MaybeLocal<Function> GetEmitMessageFunction(Local<Context> context,
                                             IsolateData* isolate_data) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<Object> per_context_bindings;
   Local<Value> emit_message_val;
   if (!GetPerContextExports(context, isolate_data)
@@ -269,7 +269,7 @@ MaybeLocal<Function> GetEmitMessageFunction(Local<Context> context,
 }
 
 MaybeLocal<Function> GetDOMException(Local<Context> context) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<Object> per_context_bindings;
   Local<Value> domexception_ctor_val;
   if (!GetPerContextExports(context).ToLocal(&per_context_bindings) ||
@@ -284,7 +284,7 @@ MaybeLocal<Function> GetDOMException(Local<Context> context) {
 }
 
 void ThrowDataCloneException(Local<Context> context, Local<String> message) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<Value> argv[] = {message,
                          FIXED_ONE_BYTE_STRING(isolate, "DataCloneError")};
   Local<Value> exception;
@@ -1477,7 +1477,7 @@ BaseObjectPtr<BaseObject> JSTransferable::Data::Deserialize(
 
 Maybe<bool> JSTransferable::Data::FinalizeTransferWrite(
     Local<Context> context, ValueSerializer* serializer) {
-  HandleScope handle_scope(context->GetIsolate());
+  HandleScope handle_scope(Isolate::GetCurrent());
   auto ret = serializer->WriteValue(context, PersistentToLocal::Strong(data_));
   data_.Reset();
   return ret;
diff --git a/src/node_modules.cc b/src/node_modules.cc
index 6b1a9e257b0ce52820838f88c44ec546068fe419..5355f2f96e9c9f6548ae43fd38b0d89a825e6b60 100644
--- a/src/node_modules.cc
+++ b/src/node_modules.cc
@@ -70,7 +70,7 @@ void BindingData::Deserialize(v8::Local<v8::Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   BindingData* binding = realm->AddBindingData<BindingData>(holder);
   CHECK_NOT_NULL(binding);
@@ -709,7 +709,7 @@ void BindingData::CreatePerContextProperties(Local<Object> target,
   Realm* realm = Realm::GetCurrent(context);
   realm->AddBindingData<BindingData>(target);
 
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   LocalVector<Value> compile_cache_status_values(isolate);
 
 #define V(status)                                                              \
diff --git a/src/node_process_methods.cc b/src/node_process_methods.cc
index e453bacc3e5247493a3582c24174bfe6e590825d..fe4aad63bc877be105830a80aa6be10ce3f8fda4 100644
--- a/src/node_process_methods.cc
+++ b/src/node_process_methods.cc
@@ -737,7 +737,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  v8::HandleScope scope(context->GetIsolate());
+  v8::HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   // Recreate the buffer in the constructor.
   InternalFieldInfo* casted_info = static_cast<InternalFieldInfo*>(info);
diff --git a/src/node_realm.cc b/src/node_realm.cc
index 2a5fe9fe501d1fd9356eeb7d044a872fa5a55f38..39f6f142044c42904d234da20a266315346c135a 100644
--- a/src/node_realm.cc
+++ b/src/node_realm.cc
@@ -22,7 +22,7 @@ using v8::String;
 using v8::Value;
 
 Realm::Realm(Environment* env, v8::Local<v8::Context> context, Kind kind)
-    : env_(env), isolate_(context->GetIsolate()), kind_(kind) {
+    : env_(env), isolate_(v8::Isolate::GetCurrent()), kind_(kind) {
   context_.Reset(isolate_, context);
   env->AssignToContext(context, this, ContextInfo(""));
   // The environment can also purge empty wrappers in the check callback,
diff --git a/src/node_report.cc b/src/node_report.cc
index 139e2ae3f2de1f1e28876bdc5332f68ea392484e..d479ada5bf0776fac52cd43c952a7f418ebc0679 100644
--- a/src/node_report.cc
+++ b/src/node_report.cc
@@ -400,7 +400,7 @@ static void PrintJavaScriptErrorProperties(JSONWriter* writer,
   if (!error.IsEmpty() && error->IsObject()) {
     TryCatch try_catch(isolate);
     Local<Object> error_obj = error.As<Object>();
-    Local<Context> context = error_obj->GetIsolate()->GetCurrentContext();
+    Local<Context> context = Isolate::GetCurrent()->GetCurrentContext();
     Local<Array> keys;
     if (!error_obj->GetOwnPropertyNames(context).ToLocal(&keys)) {
       return writer->json_objectend();  // the end of 'errorProperties'
diff --git a/src/node_snapshotable.cc b/src/node_snapshotable.cc
index c2e24b4645e7903e08c80aead1c18c7bcff1bd89..e34d24d51d5c090b560d06f727043f20924e6f46 100644
--- a/src/node_snapshotable.cc
+++ b/src/node_snapshotable.cc
@@ -1614,7 +1614,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  v8::HandleScope scope(context->GetIsolate());
+  v8::HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   // Recreate the buffer in the constructor.
   InternalFieldInfo* casted_info = static_cast<InternalFieldInfo*>(info);
diff --git a/src/node_sqlite.cc b/src/node_sqlite.cc
index 8b0bd18e6d9434aba4dd1a02beb0d8a2347c851c..1cab6dde9df945eb82ae59908711cfb75bd8993f 100644
--- a/src/node_sqlite.cc
+++ b/src/node_sqlite.cc
@@ -2018,7 +2018,7 @@ bool StatementSync::BindParams(const FunctionCallbackInfo<Value>& args) {
 
   if (args[0]->IsObject() && !args[0]->IsArrayBufferView()) {
     Local<Object> obj = args[0].As<Object>();
-    Local<Context> context = obj->GetIsolate()->GetCurrentContext();
+    Local<Context> context = Isolate::GetCurrent()->GetCurrentContext();
     Local<Array> keys;
     if (!obj->GetOwnPropertyNames(context).ToLocal(&keys)) {
       return false;
diff --git a/src/node_task_queue.cc b/src/node_task_queue.cc
index d33ee3c26c111e53edf27e6368ca8f64ff30a349..f1c53c44f201b295888e7932c5e3e2b19cb9c319 100644
--- a/src/node_task_queue.cc
+++ b/src/node_task_queue.cc
@@ -48,7 +48,7 @@ void PromiseRejectCallback(PromiseRejectMessage message) {
   static std::atomic<uint64_t> rejectionsHandledAfter{0};
 
   Local<Promise> promise = message.GetPromise();
-  Isolate* isolate = promise->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   PromiseRejectEvent event = message.GetEvent();
 
   Environment* env = Environment::GetCurrent(isolate);
diff --git a/src/node_url.cc b/src/node_url.cc
index 9d1e8ec05161570db11f7b662395509774668d78..9b91f83d879ea02fd3d61913c8dfd35b3bf1ac31 100644
--- a/src/node_url.cc
+++ b/src/node_url.cc
@@ -70,7 +70,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   BindingData* binding = realm->AddBindingData<BindingData>(holder);
   CHECK_NOT_NULL(binding);
diff --git a/src/node_v8.cc b/src/node_v8.cc
index 5cf30e8094b0014e12fa26d95d19a2d0e6f0ff56..13a4cbb11ad59e761f686c67f7a550d002b8e45c 100644
--- a/src/node_v8.cc
+++ b/src/node_v8.cc
@@ -158,7 +158,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  HandleScope scope(context->GetIsolate());
+  HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   // Recreate the buffer in the constructor.
   InternalFieldInfo* casted_info = static_cast<InternalFieldInfo*>(info);
diff --git a/src/node_wasi.cc b/src/node_wasi.cc
index 370221d3cddc201180260ecb3a222bc831c91093..f5aff2f65fe6b9f48cf970ab3e7c57cfe4885f85 100644
--- a/src/node_wasi.cc
+++ b/src/node_wasi.cc
@@ -50,7 +50,7 @@ using v8::WasmMemoryObject;
 static MaybeLocal<Value> WASIException(Local<Context> context,
                                        int errorno,
                                        const char* syscall) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Environment* env = Environment::GetCurrent(context);
   CHECK_NOT_NULL(env);
   const char* err_name = uvwasi_embedder_err_code_to_string(errorno);
@@ -275,8 +275,8 @@ R WASI::WasiFunction<FT, F, R, Args...>::FastCallback(
     return EinvalError<R>();
   }
 
-  Isolate* isolate = receiver->GetIsolate();
-  HandleScope scope(isolate);
+  Isolate* isolate = Isolate::GetCurrent();
+  HandleScope handle_scope(isolate);
   if (wasi->memory_.IsEmpty()) {
     THROW_ERR_WASI_NOT_STARTED(isolate);
     return EinvalError<R>();
diff --git a/src/node_webstorage.cc b/src/node_webstorage.cc
index cc90af827a3fbd14fb4cbfbfd39cc661f22cf6e1..5819d9bca845e0eed6d4d93564469d8f3c36200b 100644
--- a/src/node_webstorage.cc
+++ b/src/node_webstorage.cc
@@ -57,7 +57,7 @@ using v8::Value;
   } while (0)
 
 static void ThrowQuotaExceededException(Local<Context> context) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   auto dom_exception_str = FIXED_ONE_BYTE_STRING(isolate, "DOMException");
   auto err_name = FIXED_ONE_BYTE_STRING(isolate, "QuotaExceededError");
   auto err_message =
@@ -433,7 +433,7 @@ Maybe<void> Storage::Store(Local<Name> key, Local<Value> value) {
 }
 
 static MaybeLocal<String> Uint32ToName(Local<Context> context, uint32_t index) {
-  return Uint32::New(context->GetIsolate(), index)->ToString(context);
+  return Uint32::New(Isolate::GetCurrent(), index)->ToString(context);
 }
 
 static void Clear(const FunctionCallbackInfo<Value>& info) {
diff --git a/src/node_worker.cc b/src/node_worker.cc
index 62c53368d1173edb7eb42e3337049c46fd7cdda9..7d08d8af7f6d99f7bd41cb7eb91063c630b3f87b 100644
--- a/src/node_worker.cc
+++ b/src/node_worker.cc
@@ -1466,8 +1466,6 @@ void GetEnvMessagePort(const FunctionCallbackInfo<Value>& args) {
   Local<Object> port = env->message_port();
   CHECK_IMPLIES(!env->is_main_thread(), !port.IsEmpty());
   if (!port.IsEmpty()) {
-    CHECK_EQ(port->GetCreationContextChecked()->GetIsolate(),
-             args.GetIsolate());
     args.GetReturnValue().Set(port);
   }
 }
diff --git a/src/timers.cc b/src/timers.cc
index da4206187f7c7d2becb8a101c1ff5346a10e13f4..03f0910926f3d403121e227cee32a546b2394e04 100644
--- a/src/timers.cc
+++ b/src/timers.cc
@@ -114,7 +114,7 @@ void BindingData::Deserialize(Local<Context> context,
                               int index,
                               InternalFieldInfoBase* info) {
   DCHECK_IS_SNAPSHOT_SLOT(index);
-  v8::HandleScope scope(context->GetIsolate());
+  v8::HandleScope scope(Isolate::GetCurrent());
   Realm* realm = Realm::GetCurrent(context);
   // Recreate the buffer in the constructor.
   BindingData* binding = realm->AddBindingData<BindingData>(holder);
diff --git a/src/util-inl.h b/src/util-inl.h
index 5699d76fdfee4b260aa23929f1fb678389ad99e7..d07bceb425f00882db116975a92f4835d7c2cf3b 100644
--- a/src/util-inl.h
+++ b/src/util-inl.h
@@ -336,14 +336,14 @@ v8::Maybe<void> FromV8Array(v8::Local<v8::Context> context,
                             std::vector<v8::Global<v8::Value>>* out) {
   uint32_t count = js_array->Length();
   out->reserve(count);
-  ArrayIterationData data{out, context->GetIsolate()};
+  ArrayIterationData data{out, v8::Isolate::GetCurrent()};
   return js_array->Iterate(context, PushItemToVector, &data);
 }
 
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     std::string_view str,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   if (str.size() >= static_cast<size_t>(v8::String::kMaxLength)) [[unlikely]] {
     // V8 only has a TODO comment about adding an exception when the maximum
     // string size is exceeded.
@@ -359,7 +359,7 @@ v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     std::u16string_view str,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   if (str.length() >= static_cast<size_t>(v8::String::kMaxLength))
       [[unlikely]] {
     // V8 only has a TODO comment about adding an exception when the maximum
@@ -379,7 +379,7 @@ v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     v8_inspector::StringView str,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   if (str.length() >= static_cast<size_t>(v8::String::kMaxLength))
       [[unlikely]] {
     // V8 only has a TODO comment about adding an exception when the maximum
@@ -406,7 +406,7 @@ template <typename T>
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     const std::vector<T>& vec,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   v8::EscapableHandleScope handle_scope(isolate);
 
   MaybeStackBuffer<v8::Local<v8::Value>, 128> arr(vec.size());
@@ -423,7 +423,7 @@ template <typename T>
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     const std::set<T>& set,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   v8::Local<v8::Set> set_js = v8::Set::New(isolate);
   v8::HandleScope handle_scope(isolate);
 
@@ -442,7 +442,7 @@ template <typename T, std::size_t U>
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     const std::ranges::elements_view<T, U>& vec,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   v8::EscapableHandleScope handle_scope(isolate);
 
   MaybeStackBuffer<v8::Local<v8::Value>, 128> arr(vec.size());
@@ -461,7 +461,7 @@ template <typename T, typename U>
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     const std::unordered_map<T, U>& map,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   v8::EscapableHandleScope handle_scope(isolate);
 
   v8::Local<v8::Map> ret = v8::Map::New(isolate);
@@ -504,7 +504,7 @@ template <typename T, typename>
 v8::MaybeLocal<v8::Value> ToV8Value(v8::Local<v8::Context> context,
                                     const T& number,
                                     v8::Isolate* isolate) {
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   return ConvertNumberToV8Value(isolate, number);
 }
 
@@ -517,7 +517,7 @@ v8::Local<v8::Array> ToV8ValuePrimitiveArray(v8::Local<v8::Context> context,
           std::is_floating_point_v<T>,
       "Only primitive types (bool, integral, floating-point) are supported.");
 
-  if (isolate == nullptr) isolate = context->GetIsolate();
+  if (isolate == nullptr) isolate = v8::Isolate::GetCurrent();
   v8::EscapableHandleScope handle_scope(isolate);
 
   v8::LocalVector<v8::Value> elements(isolate);
@@ -751,7 +751,7 @@ inline v8::MaybeLocal<v8::Object> NewDictionaryInstanceNullProto(
     if (value.IsEmpty()) return v8::MaybeLocal<v8::Object>();
   }
   v8::Local<v8::Object> obj = tmpl->NewInstance(context, property_values);
-  if (obj->SetPrototypeV2(context, v8::Null(context->GetIsolate()))
+  if (obj->SetPrototypeV2(context, v8::Null(v8::Isolate::GetCurrent()))
           .IsNothing()) {
     return v8::MaybeLocal<v8::Object>();
   }
diff --git a/src/util.cc b/src/util.cc
index 660cfff6b8a0c583be843e555e7a06cd09e0d279..c4b39450c5b7f91c46f7027db367c30db34927bb 100644
--- a/src/util.cc
+++ b/src/util.cc
@@ -391,7 +391,7 @@ void SetMethod(Local<v8::Context> context,
                Local<v8::Object> that,
                const std::string_view name,
                v8::FunctionCallback callback) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<v8::Function> function =
       NewFunctionTemplate(isolate,
                           callback,
@@ -452,7 +452,7 @@ void SetFastMethod(Local<v8::Context> context,
                    const std::string_view name,
                    v8::FunctionCallback slow_callback,
                    const v8::CFunction* c_function) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<v8::Function> function =
       NewFunctionTemplate(isolate,
                           slow_callback,
@@ -474,7 +474,7 @@ void SetFastMethodNoSideEffect(Local<v8::Context> context,
                                const std::string_view name,
                                v8::FunctionCallback slow_callback,
                                const v8::CFunction* c_function) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<v8::Function> function =
       NewFunctionTemplate(isolate,
                           slow_callback,
@@ -562,7 +562,7 @@ void SetMethodNoSideEffect(Local<v8::Context> context,
                            Local<v8::Object> that,
                            const std::string_view name,
                            v8::FunctionCallback callback) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   Local<v8::Function> function =
       NewFunctionTemplate(isolate,
                           callback,
@@ -689,7 +689,7 @@ void SetConstructorFunction(Local<v8::Context> context,
                             const char* name,
                             Local<v8::FunctionTemplate> tmpl,
                             SetConstructorFunctionFlag flag) {
-  Isolate* isolate = context->GetIsolate();
+  Isolate* isolate = Isolate::GetCurrent();
   SetConstructorFunction(
       context, that, OneByteString(isolate, name), tmpl, flag);
 }
diff --git a/src/util.h b/src/util.h
index 63479eb3f12685702a06c27db52183a585de0da9..1db426df35e4976427b578a2974041ec9e92cf4c 100644
--- a/src/util.h
+++ b/src/util.h
@@ -751,7 +751,7 @@ inline v8::MaybeLocal<v8::Value> ToV8Value(
 // Variation on NODE_DEFINE_CONSTANT that sets a String value.
 #define NODE_DEFINE_STRING_CONSTANT(target, name, constant)                    \
   do {                                                                         \
-    v8::Isolate* isolate = target->GetIsolate();                               \
+    v8::Isolate* isolate = v8::Isolate::GetCurrent();                              \
     v8::Local<v8::String> constant_name =                                      \
         v8::String::NewFromUtf8(isolate, name).ToLocalChecked();               \
     v8::Local<v8::String> constant_value =                                     \