diff --git a/CHANGELOG.md b/CHANGELOG.md
index f010e99fb8f..763ab639546 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,9 @@
 * Added JSDoc type annotations to C-style enums.
   [#4192](https://github.com/rustwasm/wasm-bindgen/pull/4192)
 
+* Added bindings for `MediaStreamTrack.getCapabilities`.
+  [#4236](https://github.com/rustwasm/wasm-bindgen/pull/4236)
+
 ### Changed
 
 * String enums now generate private TypeScript types but only if used.
@@ -34,6 +37,9 @@
 * Deprecate `--reference-types` in favor of automatic target feature detection.
   [#4237](https://github.com/rustwasm/wasm-bindgen/pull/4237)
 
+* Stabilized `MediaTrackCapabilities`.
+  [#4236](https://github.com/rustwasm/wasm-bindgen/pull/4236)
+
 ### Fixed
 
 * Fixed methods with `self: &Self` consuming the object.
diff --git a/crates/web-sys/src/features/gen_DoubleRange.rs b/crates/web-sys/src/features/gen_DoubleRange.rs
index 86a427e7df0..a11df7925af 100644
--- a/crates/web-sys/src/features/gen_DoubleRange.rs
+++ b/crates/web-sys/src/features/gen_DoubleRange.rs
@@ -2,7 +2,6 @@
 #![allow(clippy::all)]
 use super::*;
 use wasm_bindgen::prelude::*;
-#[cfg(web_sys_unstable_apis)]
 #[wasm_bindgen]
 extern "C" {
     # [wasm_bindgen (extends = :: js_sys :: Object , js_name = DoubleRange)]
@@ -10,74 +9,48 @@ extern "C" {
     #[doc = "The `DoubleRange` dictionary."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     pub type DoubleRange;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `max` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "max")]
     pub fn get_max(this: &DoubleRange) -> Option<f64>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `max` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "max")]
     pub fn set_max(this: &DoubleRange, val: f64);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `min` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "min")]
     pub fn get_min(this: &DoubleRange) -> Option<f64>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `min` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "min")]
     pub fn set_min(this: &DoubleRange, val: f64);
 }
-#[cfg(web_sys_unstable_apis)]
 impl DoubleRange {
     #[doc = "Construct a new `DoubleRange`."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     pub fn new() -> Self {
         #[allow(unused_mut)]
         let mut ret: Self = ::wasm_bindgen::JsCast::unchecked_into(::js_sys::Object::new());
         ret
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_max()` instead."]
     pub fn max(&mut self, val: f64) -> &mut Self {
         self.set_max(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_min()` instead."]
     pub fn min(&mut self, val: f64) -> &mut Self {
         self.set_min(val);
         self
     }
 }
-#[cfg(web_sys_unstable_apis)]
 impl Default for DoubleRange {
     fn default() -> Self {
         Self::new()
diff --git a/crates/web-sys/src/features/gen_MediaStreamTrack.rs b/crates/web-sys/src/features/gen_MediaStreamTrack.rs
index 1e7007ffc23..c094823d817 100644
--- a/crates/web-sys/src/features/gen_MediaStreamTrack.rs
+++ b/crates/web-sys/src/features/gen_MediaStreamTrack.rs
@@ -129,6 +129,14 @@ extern "C" {
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaStreamTrack`*"]
     pub fn clone(this: &MediaStreamTrack) -> MediaStreamTrack;
+    #[cfg(feature = "MediaTrackCapabilities")]
+    # [wasm_bindgen (method , structural , js_class = "MediaStreamTrack" , js_name = getCapabilities)]
+    #[doc = "The `getCapabilities()` method."]
+    #[doc = ""]
+    #[doc = "[MDN Documentation](https://developer.mozilla.org/en-US/docs/Web/API/MediaStreamTrack/getCapabilities)"]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `MediaStreamTrack`, `MediaTrackCapabilities`*"]
+    pub fn get_capabilities(this: &MediaStreamTrack) -> MediaTrackCapabilities;
     #[cfg(feature = "MediaTrackConstraints")]
     # [wasm_bindgen (method , structural , js_class = "MediaStreamTrack" , js_name = getConstraints)]
     #[doc = "The `getConstraints()` method."]
diff --git a/crates/web-sys/src/features/gen_MediaTrackCapabilities.rs b/crates/web-sys/src/features/gen_MediaTrackCapabilities.rs
index 1c6d82c5cb9..990e25c18d6 100644
--- a/crates/web-sys/src/features/gen_MediaTrackCapabilities.rs
+++ b/crates/web-sys/src/features/gen_MediaTrackCapabilities.rs
@@ -2,7 +2,6 @@
 #![allow(clippy::all)]
 use super::*;
 use wasm_bindgen::prelude::*;
-#[cfg(web_sys_unstable_apis)]
 #[wasm_bindgen]
 extern "C" {
     # [wasm_bindgen (extends = :: js_sys :: Object , js_name = MediaTrackCapabilities)]
@@ -10,402 +9,275 @@ extern "C" {
     #[doc = "The `MediaTrackCapabilities` dictionary."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     pub type MediaTrackCapabilities;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[doc = "Get the `aspectRatio` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`, `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "aspectRatio")]
     pub fn get_aspect_ratio(this: &MediaTrackCapabilities) -> Option<DoubleRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[doc = "Change the `aspectRatio` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`, `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "aspectRatio")]
     pub fn set_aspect_ratio(this: &MediaTrackCapabilities, val: &DoubleRange);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `autoGainControl` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "autoGainControl")]
     pub fn get_auto_gain_control(this: &MediaTrackCapabilities) -> Option<::js_sys::Array>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `autoGainControl` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "autoGainControl")]
     pub fn set_auto_gain_control(this: &MediaTrackCapabilities, val: &::wasm_bindgen::JsValue);
-    #[cfg(web_sys_unstable_apis)]
+    #[doc = "Get the `backgroundBlur` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
+    #[wasm_bindgen(method, getter = "backgroundBlur")]
+    pub fn get_background_blur(this: &MediaTrackCapabilities) -> Option<::js_sys::Array>;
+    #[doc = "Change the `backgroundBlur` field of this object."]
+    #[doc = ""]
+    #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
+    #[wasm_bindgen(method, setter = "backgroundBlur")]
+    pub fn set_background_blur(this: &MediaTrackCapabilities, val: &::wasm_bindgen::JsValue);
     #[cfg(feature = "ULongRange")]
     #[doc = "Get the `channelCount` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "channelCount")]
     pub fn get_channel_count(this: &MediaTrackCapabilities) -> Option<ULongRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Change the `channelCount` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "channelCount")]
     pub fn set_channel_count(this: &MediaTrackCapabilities, val: &ULongRange);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `deviceId` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "deviceId")]
     pub fn get_device_id(this: &MediaTrackCapabilities) -> Option<String>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `deviceId` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "deviceId")]
     pub fn set_device_id(this: &MediaTrackCapabilities, val: &str);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `echoCancellation` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "echoCancellation")]
     pub fn get_echo_cancellation(this: &MediaTrackCapabilities) -> Option<::js_sys::Array>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `echoCancellation` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "echoCancellation")]
     pub fn set_echo_cancellation(this: &MediaTrackCapabilities, val: &::wasm_bindgen::JsValue);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `facingMode` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "facingMode")]
     pub fn get_facing_mode(this: &MediaTrackCapabilities) -> Option<::js_sys::Array>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `facingMode` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "facingMode")]
     pub fn set_facing_mode(this: &MediaTrackCapabilities, val: &::wasm_bindgen::JsValue);
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[doc = "Get the `frameRate` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`, `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "frameRate")]
     pub fn get_frame_rate(this: &MediaTrackCapabilities) -> Option<DoubleRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[doc = "Change the `frameRate` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`, `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "frameRate")]
     pub fn set_frame_rate(this: &MediaTrackCapabilities, val: &DoubleRange);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `groupId` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "groupId")]
     pub fn get_group_id(this: &MediaTrackCapabilities) -> Option<String>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `groupId` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "groupId")]
     pub fn set_group_id(this: &MediaTrackCapabilities, val: &str);
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Get the `height` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "height")]
     pub fn get_height(this: &MediaTrackCapabilities) -> Option<ULongRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Change the `height` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "height")]
     pub fn set_height(this: &MediaTrackCapabilities, val: &ULongRange);
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[doc = "Get the `latency` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`, `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "latency")]
     pub fn get_latency(this: &MediaTrackCapabilities) -> Option<DoubleRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[doc = "Change the `latency` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `DoubleRange`, `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "latency")]
     pub fn set_latency(this: &MediaTrackCapabilities, val: &DoubleRange);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `noiseSuppression` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "noiseSuppression")]
     pub fn get_noise_suppression(this: &MediaTrackCapabilities) -> Option<::js_sys::Array>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `noiseSuppression` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "noiseSuppression")]
     pub fn set_noise_suppression(this: &MediaTrackCapabilities, val: &::wasm_bindgen::JsValue);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `resizeMode` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "resizeMode")]
     pub fn get_resize_mode(this: &MediaTrackCapabilities) -> Option<::js_sys::Array>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `resizeMode` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "resizeMode")]
     pub fn set_resize_mode(this: &MediaTrackCapabilities, val: &::wasm_bindgen::JsValue);
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Get the `sampleRate` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "sampleRate")]
     pub fn get_sample_rate(this: &MediaTrackCapabilities) -> Option<ULongRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Change the `sampleRate` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "sampleRate")]
     pub fn set_sample_rate(this: &MediaTrackCapabilities, val: &ULongRange);
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Get the `sampleSize` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "sampleSize")]
     pub fn get_sample_size(this: &MediaTrackCapabilities) -> Option<ULongRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Change the `sampleSize` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "sampleSize")]
     pub fn set_sample_size(this: &MediaTrackCapabilities, val: &ULongRange);
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Get the `width` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "width")]
     pub fn get_width(this: &MediaTrackCapabilities) -> Option<ULongRange>;
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[doc = "Change the `width` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`, `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "width")]
     pub fn set_width(this: &MediaTrackCapabilities, val: &ULongRange);
 }
-#[cfg(web_sys_unstable_apis)]
 impl MediaTrackCapabilities {
     #[doc = "Construct a new `MediaTrackCapabilities`."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `MediaTrackCapabilities`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     pub fn new() -> Self {
         #[allow(unused_mut)]
         let mut ret: Self = ::wasm_bindgen::JsCast::unchecked_into(::js_sys::Object::new());
         ret
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[deprecated = "Use `set_aspect_ratio()` instead."]
     pub fn aspect_ratio(&mut self, val: &DoubleRange) -> &mut Self {
         self.set_aspect_ratio(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_auto_gain_control()` instead."]
     pub fn auto_gain_control(&mut self, val: &::wasm_bindgen::JsValue) -> &mut Self {
         self.set_auto_gain_control(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
+    #[deprecated = "Use `set_background_blur()` instead."]
+    pub fn background_blur(&mut self, val: &::wasm_bindgen::JsValue) -> &mut Self {
+        self.set_background_blur(val);
+        self
+    }
     #[cfg(feature = "ULongRange")]
     #[deprecated = "Use `set_channel_count()` instead."]
     pub fn channel_count(&mut self, val: &ULongRange) -> &mut Self {
         self.set_channel_count(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_device_id()` instead."]
     pub fn device_id(&mut self, val: &str) -> &mut Self {
         self.set_device_id(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_echo_cancellation()` instead."]
     pub fn echo_cancellation(&mut self, val: &::wasm_bindgen::JsValue) -> &mut Self {
         self.set_echo_cancellation(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_facing_mode()` instead."]
     pub fn facing_mode(&mut self, val: &::wasm_bindgen::JsValue) -> &mut Self {
         self.set_facing_mode(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[deprecated = "Use `set_frame_rate()` instead."]
     pub fn frame_rate(&mut self, val: &DoubleRange) -> &mut Self {
         self.set_frame_rate(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_group_id()` instead."]
     pub fn group_id(&mut self, val: &str) -> &mut Self {
         self.set_group_id(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[deprecated = "Use `set_height()` instead."]
     pub fn height(&mut self, val: &ULongRange) -> &mut Self {
         self.set_height(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "DoubleRange")]
     #[deprecated = "Use `set_latency()` instead."]
     pub fn latency(&mut self, val: &DoubleRange) -> &mut Self {
         self.set_latency(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_noise_suppression()` instead."]
     pub fn noise_suppression(&mut self, val: &::wasm_bindgen::JsValue) -> &mut Self {
         self.set_noise_suppression(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_resize_mode()` instead."]
     pub fn resize_mode(&mut self, val: &::wasm_bindgen::JsValue) -> &mut Self {
         self.set_resize_mode(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[deprecated = "Use `set_sample_rate()` instead."]
     pub fn sample_rate(&mut self, val: &ULongRange) -> &mut Self {
         self.set_sample_rate(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[deprecated = "Use `set_sample_size()` instead."]
     pub fn sample_size(&mut self, val: &ULongRange) -> &mut Self {
         self.set_sample_size(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[cfg(feature = "ULongRange")]
     #[deprecated = "Use `set_width()` instead."]
     pub fn width(&mut self, val: &ULongRange) -> &mut Self {
@@ -413,7 +285,6 @@ impl MediaTrackCapabilities {
         self
     }
 }
-#[cfg(web_sys_unstable_apis)]
 impl Default for MediaTrackCapabilities {
     fn default() -> Self {
         Self::new()
diff --git a/crates/web-sys/src/features/gen_ULongRange.rs b/crates/web-sys/src/features/gen_ULongRange.rs
index acf295622ee..fc292a3f7de 100644
--- a/crates/web-sys/src/features/gen_ULongRange.rs
+++ b/crates/web-sys/src/features/gen_ULongRange.rs
@@ -2,7 +2,6 @@
 #![allow(clippy::all)]
 use super::*;
 use wasm_bindgen::prelude::*;
-#[cfg(web_sys_unstable_apis)]
 #[wasm_bindgen]
 extern "C" {
     # [wasm_bindgen (extends = :: js_sys :: Object , js_name = ULongRange)]
@@ -10,74 +9,48 @@ extern "C" {
     #[doc = "The `ULongRange` dictionary."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     pub type ULongRange;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `max` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "max")]
     pub fn get_max(this: &ULongRange) -> Option<u32>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `max` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "max")]
     pub fn set_max(this: &ULongRange, val: u32);
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Get the `min` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, getter = "min")]
     pub fn get_min(this: &ULongRange) -> Option<u32>;
-    #[cfg(web_sys_unstable_apis)]
     #[doc = "Change the `min` field of this object."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     #[wasm_bindgen(method, setter = "min")]
     pub fn set_min(this: &ULongRange, val: u32);
 }
-#[cfg(web_sys_unstable_apis)]
 impl ULongRange {
     #[doc = "Construct a new `ULongRange`."]
     #[doc = ""]
     #[doc = "*This API requires the following crate features to be activated: `ULongRange`*"]
-    #[doc = ""]
-    #[doc = "*This API is unstable and requires `--cfg=web_sys_unstable_apis` to be activated, as"]
-    #[doc = "[described in the `wasm-bindgen` guide](https://rustwasm.github.io/docs/wasm-bindgen/web-sys/unstable-apis.html)*"]
     pub fn new() -> Self {
         #[allow(unused_mut)]
         let mut ret: Self = ::wasm_bindgen::JsCast::unchecked_into(::js_sys::Object::new());
         ret
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_max()` instead."]
     pub fn max(&mut self, val: u32) -> &mut Self {
         self.set_max(val);
         self
     }
-    #[cfg(web_sys_unstable_apis)]
     #[deprecated = "Use `set_min()` instead."]
     pub fn min(&mut self, val: u32) -> &mut Self {
         self.set_min(val);
         self
     }
 }
-#[cfg(web_sys_unstable_apis)]
 impl Default for ULongRange {
     fn default() -> Self {
         Self::new()
diff --git a/crates/web-sys/webidls/enabled/MediaStreamTrack.webidl b/crates/web-sys/webidls/enabled/MediaStreamTrack.webidl
index 896856a431d..734e6dd8e4c 100644
--- a/crates/web-sys/webidls/enabled/MediaStreamTrack.webidl
+++ b/crates/web-sys/webidls/enabled/MediaStreamTrack.webidl
@@ -83,7 +83,7 @@ interface MediaStreamTrack : EventTarget {
                 attribute EventHandler          onended;
     MediaStreamTrack       clone ();
     undefined                   stop ();
-//  MediaTrackCapabilities getCapabilities ();
+    MediaTrackCapabilities getCapabilities ();
     MediaTrackConstraints  getConstraints ();
     [NeedsCallerType]
     MediaTrackSettings     getSettings ();
diff --git a/crates/web-sys/webidls/unstable/MediaTrackCapabilities.webidl b/crates/web-sys/webidls/enabled/MediaTrackCapabilities.webidl
similarity index 96%
rename from crates/web-sys/webidls/unstable/MediaTrackCapabilities.webidl
rename to crates/web-sys/webidls/enabled/MediaTrackCapabilities.webidl
index ba6bd9c4607..6052b18d661 100644
--- a/crates/web-sys/webidls/unstable/MediaTrackCapabilities.webidl
+++ b/crates/web-sys/webidls/enabled/MediaTrackCapabilities.webidl
@@ -33,4 +33,5 @@ dictionary MediaTrackCapabilities {
   ULongRange channelCount;
   DOMString deviceId;
   DOMString groupId;
+  sequence<boolean> backgroundBlur;
 };