diff --git a/baselines/dom.generated.d.ts b/baselines/dom.generated.d.ts
index e29445f74..e4abe0612 100644
--- a/baselines/dom.generated.d.ts
+++ b/baselines/dom.generated.d.ts
@@ -19039,7 +19039,7 @@ declare namespace WebAssembly {
     
     var Global: {
         prototype: Global;
-        new(descriptor: GlobalDescriptor, value?: any): Global;
+        new(descriptor: GlobalDescriptor, v?: any): Global;
     };
     
     interface Instance {
@@ -19075,9 +19075,9 @@ declare namespace WebAssembly {
     var Module: {
         prototype: Module;
         new(bytes: BufferSource): Module;
-        customSections(module: Module, sectionName: string): ArrayBuffer[];
-        exports(module: Module): ModuleExportDescriptor[];
-        imports(module: Module): ModuleImportDescriptor[];
+        customSections(moduleObject: Module, sectionName: string): ArrayBuffer[];
+        exports(moduleObject: Module): ModuleExportDescriptor[];
+        imports(moduleObject: Module): ModuleImportDescriptor[];
     };
     
     interface RuntimeError {
@@ -19102,7 +19102,7 @@ declare namespace WebAssembly {
     
     interface GlobalDescriptor {
         mutable?: boolean;
-        value: string;
+        value: ValueType;
     }
     
     interface MemoryDescriptor {
@@ -19135,8 +19135,10 @@ declare namespace WebAssembly {
     type ImportExportKind = "function" | "table" | "memory" | "global";
     type TableKind = "anyfunc";
     function compile(bytes: BufferSource): Promise<Module>;
+    function compileStreaming(source: Response | Promise<Response>): Promise<Module>;
     function instantiate(bytes: BufferSource, importObject?: any): Promise<WebAssemblyInstantiatedSource>;
     function instantiate(moduleObject: Module, importObject?: any): Promise<Instance>;
+    function instantiateStreaming(source: Response | Promise<Response>, importObject?: any): Promise<WebAssemblyInstantiatedSource>;
     function validate(bytes: BufferSource): boolean;
 }
 
@@ -20095,6 +20097,7 @@ type TouchType = "direct" | "stylus";
 type Transport = "usb" | "nfc" | "ble";
 type UserVerificationRequirement = "required" | "preferred" | "discouraged";
 type VRDisplayEventReason = "mounted" | "navigation" | "requested" | "unmounted";
+type ValueType = "i32" | "i64" | "f32" | "f64";
 type VideoFacingModeEnum = "user" | "environment" | "left" | "right";
 type VisibilityState = "hidden" | "visible" | "prerender";
 type WebGLPowerPreference = "default" | "low-power" | "high-performance";
diff --git a/baselines/webworker.generated.d.ts b/baselines/webworker.generated.d.ts
index b84e14a4d..36602863e 100644
--- a/baselines/webworker.generated.d.ts
+++ b/baselines/webworker.generated.d.ts
@@ -5600,7 +5600,7 @@ declare namespace WebAssembly {
     
     var Global: {
         prototype: Global;
-        new(descriptor: GlobalDescriptor, value?: any): Global;
+        new(descriptor: GlobalDescriptor, v?: any): Global;
     };
     
     interface Instance {
@@ -5628,9 +5628,9 @@ declare namespace WebAssembly {
     var Module: {
         prototype: Module;
         new(bytes: BufferSource): Module;
-        customSections(module: Module, sectionName: string): ArrayBuffer[];
-        exports(module: Module): ModuleExportDescriptor[];
-        imports(module: Module): ModuleImportDescriptor[];
+        customSections(moduleObject: Module, sectionName: string): ArrayBuffer[];
+        exports(moduleObject: Module): ModuleExportDescriptor[];
+        imports(moduleObject: Module): ModuleImportDescriptor[];
     };
     
     interface Table {
@@ -5647,7 +5647,7 @@ declare namespace WebAssembly {
     
     interface GlobalDescriptor {
         mutable?: boolean;
-        value: string;
+        value: ValueType;
     }
     
     interface MemoryDescriptor {
@@ -5680,8 +5680,10 @@ declare namespace WebAssembly {
     type ImportExportKind = "function" | "table" | "memory" | "global";
     type TableKind = "anyfunc";
     function compile(bytes: BufferSource): Promise<Module>;
+    function compileStreaming(source: Response | Promise<Response>): Promise<Module>;
     function instantiate(bytes: BufferSource, importObject?: any): Promise<WebAssemblyInstantiatedSource>;
     function instantiate(moduleObject: Module, importObject?: any): Promise<Instance>;
+    function instantiateStreaming(source: Response | Promise<Response>, importObject?: any): Promise<WebAssemblyInstantiatedSource>;
     function validate(bytes: BufferSource): boolean;
 }
 
@@ -5855,6 +5857,7 @@ type RequestRedirect = "follow" | "error" | "manual";
 type ResponseType = "basic" | "cors" | "default" | "error" | "opaque" | "opaqueredirect";
 type ServiceWorkerState = "installing" | "installed" | "activating" | "activated" | "redundant";
 type ServiceWorkerUpdateViaCache = "imports" | "all" | "none";
+type ValueType = "i32" | "i64" | "f32" | "f64";
 type VisibilityState = "hidden" | "visible" | "prerender";
 type WebGLPowerPreference = "default" | "low-power" | "high-performance";
 type WorkerType = "classic" | "module";
diff --git a/inputfiles/idl/WebAssembly JavaScript Interface.widl b/inputfiles/idl/WebAssembly JavaScript Interface.widl
index ac8df6bbc..1899f4fd5 100644
--- a/inputfiles/idl/WebAssembly JavaScript Interface.widl	
+++ b/inputfiles/idl/WebAssembly JavaScript Interface.widl	
@@ -36,9 +36,9 @@ dictionary ModuleImportDescriptor {
 
 [LegacyNamespace=WebAssembly, Constructor(BufferSource bytes), Exposed=(Window,Worker,Worklet)]
 interface Module {
-  static sequence<ModuleExportDescriptor> exports(Module module);
-  static sequence<ModuleImportDescriptor> imports(Module module);
-  static sequence<ArrayBuffer> customSections(Module module, USVString sectionName);
+  static sequence<ModuleExportDescriptor> exports(Module moduleObject);
+  static sequence<ModuleImportDescriptor> imports(Module moduleObject);
+  static sequence<ArrayBuffer> customSections(Module moduleObject, DOMString sectionName);
 };
 
 [LegacyNamespace=WebAssembly, Constructor(Module module, optional object importObject), Exposed=(Window,Worker,Worklet)]
@@ -77,12 +77,19 @@ interface Table {
   readonly attribute unsigned long length;
 };
 
+enum ValueType {
+  "i32",
+  "i64",
+  "f32",
+  "f64"
+};
+
 dictionary GlobalDescriptor {
-  required USVString value;
+  required ValueType value;
   boolean mutable = false;
 };
 
-[LegacyNamespace=WebAssembly, Constructor(GlobalDescriptor descriptor, optional any value), Exposed=(Window,Worker,Worklet)]
+[LegacyNamespace=WebAssembly, Constructor(GlobalDescriptor descriptor, optional any v), Exposed=(Window,Worker,Worklet)]
 interface Global {
   any valueOf();
   attribute any value;
diff --git a/inputfiles/idl/WebAssembly Web API.widl b/inputfiles/idl/WebAssembly Web API.widl
new file mode 100644
index 000000000..a65744a63
--- /dev/null
+++ b/inputfiles/idl/WebAssembly Web API.widl	
@@ -0,0 +1,5 @@
+partial namespace WebAssembly {
+  Promise<Module> compileStreaming(Promise<Response> source);
+  Promise<WebAssemblyInstantiatedSource> instantiateStreaming(
+      Promise<Response> source, optional object importObject);
+};
diff --git a/inputfiles/idlSources.json b/inputfiles/idlSources.json
index 4b4cadfad..643eeb9a7 100644
--- a/inputfiles/idlSources.json
+++ b/inputfiles/idlSources.json
@@ -375,6 +375,10 @@
         "url": "https://www.w3.org/TR/wasm-js-api-1/",
         "title": "WebAssembly JavaScript Interface"
     },
+    {
+        "url": "https://www.w3.org/TR/wasm-web-api-1/",
+        "title": "WebAssembly Web API"
+    },
     {
         "url": "https://webaudio.github.io/web-audio-api/",
         "title": "Web Audio"