diff --git a/crates/web-sys/src/features/gen_ReadableStream.rs b/crates/web-sys/src/features/gen_ReadableStream.rs
index 42cf6f09ab1..2f7ce882af6 100644
--- a/crates/web-sys/src/features/gen_ReadableStream.rs
+++ b/crates/web-sys/src/features/gen_ReadableStream.rs
@@ -11,4 +11,73 @@ extern "C" {
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ReadableStream`*"]
     pub type ReadableStream;
+    # [wasm_bindgen (structural , method , getter , js_class = "ReadableStream" , js_name = locked)]
+    #[doc = "Getter for the `locked` field of this object."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/locked)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`*"]
+    pub fn locked(this: &ReadableStream) -> bool;
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = cancel)]
+    #[doc = "The `cancel()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/cancel)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`*"]
+    pub fn cancel(this: &ReadableStream) -> ::js_sys::Promise;
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = cancel)]
+    #[doc = "The `cancel()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/cancel)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`*"]
+    pub fn cancel_with_reason(
+        this: &ReadableStream,
+        reason: &::wasm_bindgen::JsValue,
+    ) -> ::js_sys::Promise;
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = getReader)]
+    #[doc = "The `getReader()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/getReader)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`*"]
+    pub fn get_reader(this: &ReadableStream) -> ::wasm_bindgen::JsValue;
+    #[cfg(feature = "ReadableStreamGetReaderOptions")]
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = getReader)]
+    #[doc = "The `getReader()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/getReader)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`, `ReadableStreamGetReaderOptions`*"]
+    pub fn get_reader_with_options(
+        this: &ReadableStream,
+        options: &ReadableStreamGetReaderOptions,
+    ) -> ::wasm_bindgen::JsValue;
+    #[cfg(feature = "ReadableWritablePair")]
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = pipeThrough)]
+    #[doc = "The `pipeThrough()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/pipeThrough)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`, `ReadableWritablePair`*"]
+    pub fn pipe_through(this: &ReadableStream, transform: &ReadableWritablePair) -> ReadableStream;
+    #[cfg(all(feature = "ReadableWritablePair", feature = "StreamPipeOptions",))]
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = pipeThrough)]
+    #[doc = "The `pipeThrough()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/pipeThrough)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`, `ReadableWritablePair`, `StreamPipeOptions`*"]
+    pub fn pipe_through_with_options(
+        this: &ReadableStream,
+        transform: &ReadableWritablePair,
+        options: &StreamPipeOptions,
+    ) -> ReadableStream;
+    # [wasm_bindgen (method , structural , js_class = "ReadableStream" , js_name = tee)]
+    #[doc = "The `tee()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/ReadableStream/tee)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStream`*"]
+    pub fn tee(this: &ReadableStream) -> ::js_sys::Array;
 }
diff --git a/crates/web-sys/src/features/gen_ReadableStreamGetReaderOptions.rs b/crates/web-sys/src/features/gen_ReadableStreamGetReaderOptions.rs
new file mode 100644
index 00000000000..33153474c03
--- /dev/null
+++ b/crates/web-sys/src/features/gen_ReadableStreamGetReaderOptions.rs
@@ -0,0 +1,36 @@
+#![allow(unused_imports)]
+use super::*;
+use wasm_bindgen::prelude::*;
+#[wasm_bindgen]
+extern "C" {
+    # [wasm_bindgen (extends = :: js_sys :: Object , js_name = ReadableStreamGetReaderOptions)]
+    #[derive(Debug, Clone, PartialEq, Eq)]
+    #[doc = "The `ReadableStreamGetReaderOptions` dictionary."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStreamGetReaderOptions`*"]
+    pub type ReadableStreamGetReaderOptions;
+}
+impl ReadableStreamGetReaderOptions {
+    #[doc = "Construct a new `ReadableStreamGetReaderOptions`."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStreamGetReaderOptions`*"]
+    pub fn new() -> Self {
+        #[allow(unused_mut)]
+        let mut ret: Self = ::wasm_bindgen::JsCast::unchecked_into(::js_sys::Object::new());
+        ret
+    }
+    #[cfg(feature = "ReadableStreamReaderMode")]
+    #[doc = "Change the `mode` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStreamGetReaderOptions`, `ReadableStreamReaderMode`*"]
+    pub fn mode(&mut self, val: ReadableStreamReaderMode) -> &mut Self {
+        use wasm_bindgen::JsValue;
+        let r = ::js_sys::Reflect::set(self.as_ref(), &JsValue::from("mode"), &JsValue::from(val));
+        debug_assert!(
+            r.is_ok(),
+            "setting properties should never fail on our dictionary objects"
+        );
+        let _ = r;
+        self
+    }
+}
diff --git a/crates/web-sys/src/features/gen_ReadableStreamIteratorOptions.rs b/crates/web-sys/src/features/gen_ReadableStreamIteratorOptions.rs
new file mode 100644
index 00000000000..d231eb199cf
--- /dev/null
+++ b/crates/web-sys/src/features/gen_ReadableStreamIteratorOptions.rs
@@ -0,0 +1,39 @@
+#![allow(unused_imports)]
+use super::*;
+use wasm_bindgen::prelude::*;
+#[wasm_bindgen]
+extern "C" {
+    # [wasm_bindgen (extends = :: js_sys :: Object , js_name = ReadableStreamIteratorOptions)]
+    #[derive(Debug, Clone, PartialEq, Eq)]
+    #[doc = "The `ReadableStreamIteratorOptions` dictionary."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStreamIteratorOptions`*"]
+    pub type ReadableStreamIteratorOptions;
+}
+impl ReadableStreamIteratorOptions {
+    #[doc = "Construct a new `ReadableStreamIteratorOptions`."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStreamIteratorOptions`*"]
+    pub fn new() -> Self {
+        #[allow(unused_mut)]
+        let mut ret: Self = ::wasm_bindgen::JsCast::unchecked_into(::js_sys::Object::new());
+        ret
+    }
+    #[doc = "Change the `preventCancel` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `ReadableStreamIteratorOptions`*"]
+    pub fn prevent_cancel(&mut self, val: bool) -> &mut Self {
+        use wasm_bindgen::JsValue;
+        let r = ::js_sys::Reflect::set(
+            self.as_ref(),
+            &JsValue::from("preventCancel"),
+            &JsValue::from(val),
+        );
+        debug_assert!(
+            r.is_ok(),
+            "setting properties should never fail on our dictionary objects"
+        );
+        let _ = r;
+        self
+    }
+}
diff --git a/crates/web-sys/src/features/gen_ReadableStreamReaderMode.rs b/crates/web-sys/src/features/gen_ReadableStreamReaderMode.rs
new file mode 100644
index 00000000000..a01a07dacc1
--- /dev/null
+++ b/crates/web-sys/src/features/gen_ReadableStreamReaderMode.rs
@@ -0,0 +1,10 @@
+#![allow(unused_imports)]
+use wasm_bindgen::prelude::*;
+#[wasm_bindgen]
+#[doc = "The `ReadableStreamReaderMode` enum."]
+#[doc = ""]
+#[doc = "*This API requires the following crate features to be activated: `ReadableStreamReaderMode`*"]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum ReadableStreamReaderMode {
+    Byob = "byob",
+}
diff --git a/crates/web-sys/src/features/gen_StreamPipeOptions.rs b/crates/web-sys/src/features/gen_StreamPipeOptions.rs
new file mode 100644
index 00000000000..3af63d39195
--- /dev/null
+++ b/crates/web-sys/src/features/gen_StreamPipeOptions.rs
@@ -0,0 +1,88 @@
+#![allow(unused_imports)]
+use super::*;
+use wasm_bindgen::prelude::*;
+#[wasm_bindgen]
+extern "C" {
+    # [wasm_bindgen (extends = :: js_sys :: Object , js_name = StreamPipeOptions)]
+    #[derive(Debug, Clone, PartialEq, Eq)]
+    #[doc = "The `StreamPipeOptions` dictionary."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `StreamPipeOptions`*"]
+    pub type StreamPipeOptions;
+}
+impl StreamPipeOptions {
+    #[doc = "Construct a new `StreamPipeOptions`."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `StreamPipeOptions`*"]
+    pub fn new() -> Self {
+        #[allow(unused_mut)]
+        let mut ret: Self = ::wasm_bindgen::JsCast::unchecked_into(::js_sys::Object::new());
+        ret
+    }
+    #[doc = "Change the `preventAbort` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `StreamPipeOptions`*"]
+    pub fn prevent_abort(&mut self, val: bool) -> &mut Self {
+        use wasm_bindgen::JsValue;
+        let r = ::js_sys::Reflect::set(
+            self.as_ref(),
+            &JsValue::from("preventAbort"),
+            &JsValue::from(val),
+        );
+        debug_assert!(
+            r.is_ok(),
+            "setting properties should never fail on our dictionary objects"
+        );
+        let _ = r;
+        self
+    }
+    #[doc = "Change the `preventCancel` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `StreamPipeOptions`*"]
+    pub fn prevent_cancel(&mut self, val: bool) -> &mut Self {
+        use wasm_bindgen::JsValue;
+        let r = ::js_sys::Reflect::set(
+            self.as_ref(),
+            &JsValue::from("preventCancel"),
+            &JsValue::from(val),
+        );
+        debug_assert!(
+            r.is_ok(),
+            "setting properties should never fail on our dictionary objects"
+        );
+        let _ = r;
+        self
+    }
+    #[doc = "Change the `preventClose` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `StreamPipeOptions`*"]
+    pub fn prevent_close(&mut self, val: bool) -> &mut Self {
+        use wasm_bindgen::JsValue;
+        let r = ::js_sys::Reflect::set(
+            self.as_ref(),
+            &JsValue::from("preventClose"),
+            &JsValue::from(val),
+        );
+        debug_assert!(
+            r.is_ok(),
+            "setting properties should never fail on our dictionary objects"
+        );
+        let _ = r;
+        self
+    }
+    #[cfg(feature = "AbortSignal")]
+    #[doc = "Change the `signal` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `AbortSignal`, `StreamPipeOptions`*"]
+    pub fn signal(&mut self, val: &AbortSignal) -> &mut Self {
+        use wasm_bindgen::JsValue;
+        let r =
+            ::js_sys::Reflect::set(self.as_ref(), &JsValue::from("signal"), &JsValue::from(val));
+        debug_assert!(
+            r.is_ok(),
+            "setting properties should never fail on our dictionary objects"
+        );
+        let _ = r;
+        self
+    }
+}
diff --git a/crates/web-sys/src/features/mod.rs b/crates/web-sys/src/features/mod.rs
index f7e2fd20cf8..e432b7bed34 100644
--- a/crates/web-sys/src/features/mod.rs
+++ b/crates/web-sys/src/features/mod.rs
@@ -5242,6 +5242,24 @@ mod gen_ReadableStream;
 #[cfg(feature = "ReadableStream")]
 pub use gen_ReadableStream::*;
 
+#[cfg(feature = "ReadableStreamGetReaderOptions")]
+#[allow(non_snake_case)]
+mod gen_ReadableStreamGetReaderOptions;
+#[cfg(feature = "ReadableStreamGetReaderOptions")]
+pub use gen_ReadableStreamGetReaderOptions::*;
+
+#[cfg(feature = "ReadableStreamIteratorOptions")]
+#[allow(non_snake_case)]
+mod gen_ReadableStreamIteratorOptions;
+#[cfg(feature = "ReadableStreamIteratorOptions")]
+pub use gen_ReadableStreamIteratorOptions::*;
+
+#[cfg(feature = "ReadableStreamReaderMode")]
+#[allow(non_snake_case)]
+mod gen_ReadableStreamReaderMode;
+#[cfg(feature = "ReadableStreamReaderMode")]
+pub use gen_ReadableStreamReaderMode::*;
+
 #[cfg(feature = "RecordingState")]
 #[allow(non_snake_case)]
 mod gen_RecordingState;
@@ -6226,6 +6244,12 @@ mod gen_StorageType;
 #[cfg(feature = "StorageType")]
 pub use gen_StorageType::*;
 
+#[cfg(feature = "StreamPipeOptions")]
+#[allow(non_snake_case)]
+mod gen_StreamPipeOptions;
+#[cfg(feature = "StreamPipeOptions")]
+pub use gen_StreamPipeOptions::*;
+
 #[cfg(feature = "StyleRuleChangeEventInit")]
 #[allow(non_snake_case)]
 mod gen_StyleRuleChangeEventInit;
diff --git a/crates/web-sys/webidls/enabled/ReadableStream.webidl b/crates/web-sys/webidls/enabled/ReadableStream.webidl
index 0594df8e0c6..00c8bbc8a4a 100644
--- a/crates/web-sys/webidls/enabled/ReadableStream.webidl
+++ b/crates/web-sys/webidls/enabled/ReadableStream.webidl
@@ -1,10 +1,47 @@
-/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
  * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * Source: https://streams.spec.whatwg.org/#rs-class-definition
  */
-
-// Minimum viable ReadableStream, for use by other objects.
-[Exposed=(Window,Worker)]
+ 
+[Exposed=(Window,Worker,Worklet), Transferable]
 interface ReadableStream {
+  constructor(optional object underlyingSource, optional QueuingStrategy strategy = {});
+
+  readonly attribute boolean locked;
+
+  Promise<undefined> cancel(optional any reason);
+  ReadableStreamReader getReader(optional ReadableStreamGetReaderOptions options = {});
+  ReadableStream pipeThrough(ReadableWritablePair transform, optional StreamPipeOptions options = {});
+  Promise<undefined> pipeTo(WritableStream destination, optional StreamPipeOptions options = {});
+  sequence<ReadableStream> tee();
+
+  async iterable<any>(optional ReadableStreamIteratorOptions options = {});
+};
+
+typedef (ReadableStreamDefaultReader or ReadableStreamBYOBReader) ReadableStreamReader;
+
+enum ReadableStreamReaderMode { "byob" };
+
+dictionary ReadableStreamGetReaderOptions {
+  ReadableStreamReaderMode mode;
+};
+
+dictionary ReadableStreamIteratorOptions {
+  boolean preventCancel = false;
+};
+
+dictionary ReadableWritablePair {
+  required ReadableStream readable;
+  required WritableStream writable;
+};
+
+dictionary StreamPipeOptions {
+  boolean preventClose = false;
+  boolean preventAbort = false;
+  boolean preventCancel = false;
+  AbortSignal signal;
 };