diff --git a/scripts/build/deps/webkit.ts b/scripts/build/deps/webkit.ts
index 8a12eefec688..f8c9ad85d811 100644
--- a/scripts/build/deps/webkit.ts
+++ b/scripts/build/deps/webkit.ts
@@ -3,7 +3,7 @@
  * for local mode. Override via `--webkit-version=<hash>` to test a branch.
  * From https://github.com/oven-sh/WebKit releases.
  */
-export const WEBKIT_VERSION = "c6cfe90c6064bd80a1916b844c2f092735cfc720";
+export const WEBKIT_VERSION = "eeab04040fa61fd595695980f9d054b7fc0ed855";
 
 /**
  * WebKit (JavaScriptCore) — the JS engine.
diff --git a/src/js_printer/lib.rs b/src/js_printer/lib.rs
index a465407cf3f4..e64591d3ff8c 100644
--- a/src/js_printer/lib.rs
+++ b/src/js_printer/lib.rs
@@ -166,14 +166,17 @@ pub mod analyze_transpiled_module {
             Self(value.0)
         }
         /// JSC `ScriptFetchParameters::Type` value. `None` maps to `JavaScript`
-        /// (NodesAnalyzeModule's no-attribute default).
+        /// (NodesAnalyzeModule's no-attribute default). JSC's `Text` (4) is never
+        /// produced: with BUN_JSC_ADDITIONS `type: "text"` is host-defined like
+        /// every other non-json/wasm type. Pinned by the static_asserts in
+        /// BunAnalyzeTranspiledModule.cpp.
         #[inline]
         pub fn to_script_fetch_parameters_type(self) -> u8 {
             match self {
                 Self::None | Self::Javascript => 1,
                 Self::Webassembly => 2,
                 Self::Json => 3,
-                _ => 4,
+                _ => 5,
             }
         }
     }
diff --git a/src/jsc/bindings/BunAnalyzeTranspiledModule.cpp b/src/jsc/bindings/BunAnalyzeTranspiledModule.cpp
index ee7b03a1c6b6..fdfaadacaf1c 100644
--- a/src/jsc/bindings/BunAnalyzeTranspiledModule.cpp
+++ b/src/jsc/bindings/BunAnalyzeTranspiledModule.cpp
@@ -113,7 +113,8 @@ extern "C" void JSC_JSModuleRecord__addRequestedModuleHostDefined(JSModuleRecord
 static_assert(static_cast<uint8_t>(JSC::ScriptFetchParameters::Type::JavaScript) == 1, "ScriptFetchParameters::Type tag drift vs to_script_fetch_parameters_type()");
 static_assert(static_cast<uint8_t>(JSC::ScriptFetchParameters::Type::WebAssembly) == 2, "ScriptFetchParameters::Type tag drift vs to_script_fetch_parameters_type()");
 static_assert(static_cast<uint8_t>(JSC::ScriptFetchParameters::Type::JSON) == 3, "ScriptFetchParameters::Type tag drift vs to_script_fetch_parameters_type()");
-static_assert(static_cast<uint8_t>(JSC::ScriptFetchParameters::Type::HostDefined) == 4, "ScriptFetchParameters::Type tag drift vs to_script_fetch_parameters_type()");
+static_assert(static_cast<uint8_t>(JSC::ScriptFetchParameters::Type::Text) == 4, "ScriptFetchParameters::Type tag drift vs to_script_fetch_parameters_type()");
+static_assert(static_cast<uint8_t>(JSC::ScriptFetchParameters::Type::HostDefined) == 5, "ScriptFetchParameters::Type tag drift vs to_script_fetch_parameters_type()");
 
 extern "C" void JSC_JSModuleRecord__addImportEntrySingle(JSModuleRecord* moduleRecord, Identifier* identifierArray, uint32_t importName, uint32_t localName, uint32_t moduleName, uint8_t moduleRequestType)
 {
diff --git a/src/jsc/bindings/NodeVM.cpp b/src/jsc/bindings/NodeVM.cpp
index 4ed1521cc4bd..6c07d03f3a02 100644
--- a/src/jsc/bindings/NodeVM.cpp
+++ b/src/jsc/bindings/NodeVM.cpp
@@ -97,6 +97,10 @@ static JSValue scriptFetchParametersToImportAttributes(JSGlobalObject* globalObj
     case JSC::ScriptFetchParameters::Type::JavaScript:
         obj->putDirect(vm, vm.propertyNames->type, jsNontrivialString(vm, "javascript"_s));
         break;
+    case JSC::ScriptFetchParameters::Type::Text:
+        // Unreachable with BUN_JSC_ADDITIONS (`type: "text"` parses as HostDefined); kept so the switch stays exhaustive.
+        obj->putDirect(vm, vm.propertyNames->type, jsNontrivialString(vm, "text"_s));
+        break;
     case JSC::ScriptFetchParameters::Type::HostDefined:
         obj->putDirect(vm, vm.propertyNames->type, jsString(vm, params->hostDefinedImportType()));
         break;
diff --git a/src/jsc/bindings/NodeVMSyntheticModule.cpp b/src/jsc/bindings/NodeVMSyntheticModule.cpp
index 42ef186a5069..dc64df20033c 100644
--- a/src/jsc/bindings/NodeVMSyntheticModule.cpp
+++ b/src/jsc/bindings/NodeVMSyntheticModule.cpp
@@ -94,7 +94,9 @@ void NodeVMSyntheticModule::createModuleRecord(JSGlobalObject* globalObject)
 {
     VM& vm = globalObject->vm();
 
-    SyntheticModuleRecord* moduleRecord = SyntheticModuleRecord::create(globalObject, vm, globalObject->syntheticModuleRecordStructure(), Identifier::fromString(vm, identifier()));
+    // The source type only feeds AbstractModuleRecord::moduleType(), which the loader attaches to
+    // errors as the failing module's kind; a vm.SyntheticModule is a JavaScript module in that sense.
+    SyntheticModuleRecord* moduleRecord = SyntheticModuleRecord::create(globalObject, vm, globalObject->syntheticModuleRecordStructure(), Identifier::fromString(vm, identifier()), SourceProviderSourceType::Module);
 
     m_moduleRecord.set(vm, this, moduleRecord);
 
diff --git a/src/jsc/bindings/root.h b/src/jsc/bindings/root.h
index c101d7e9d0ca..3c62835febcd 100644
--- a/src/jsc/bindings/root.h
+++ b/src/jsc/bindings/root.h
@@ -78,7 +78,7 @@
 #include <JavaScriptCore/JSCJSValue.h>
 #include <wtf/text/MakeString.h>
 #include <JavaScriptCore/JSCInlines.h>
-#include <JavaScriptCore/HandleSet.h>
+#include <JavaScriptCore/StrongSet.h>
 #include <wtf/Ref.h>
 #include <wtf/ThreadSafeRefCounted.h>
 #endif
diff --git a/src/jsc/bindings/wtf-bindings.cpp b/src/jsc/bindings/wtf-bindings.cpp
index f14c9efed6b5..5001ed5a67d4 100644
--- a/src/jsc/bindings/wtf-bindings.cpp
+++ b/src/jsc/bindings/wtf-bindings.cpp
@@ -297,7 +297,7 @@ static thread_local WTF::StackBounds stackBoundsForCurrentThread = WTF::StackBou
 
 extern "C" [[ZIG_EXPORT(nothrow)]] void Bun__StackCheck__initialize()
 {
-    stackBoundsForCurrentThread = WTF::StackBounds::currentThreadStackBounds();
+    stackBoundsForCurrentThread = WTF::StackBounds::currentThreadStackBoundsForEmbedder();
 }
 
 extern "C" [[ZIG_EXPORT(nothrow)]] __attribute__((__always_inline__)) void* Bun__StackCheck__getMaxStack()