From 0c425b029d4fbc34bd6aaa4800d2225a72c96d70 Mon Sep 17 00:00:00 2001
From: Hamish Willee <hamishwillee@gmail.com>
Date: Tue, 16 Sep 2025 12:16:24 +1000
Subject: [PATCH 1/5] MediaDevices.getUserMedia() add constraints

---
 api/MediaDevices.json | 525 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 525 insertions(+)

diff --git a/api/MediaDevices.json b/api/MediaDevices.json
index 31632e91200514..6448be04083c5c 100644
--- a/api/MediaDevices.json
+++ b/api/MediaDevices.json
@@ -585,6 +585,531 @@
               "deprecated": false
             }
           }
+        },
+        "constraints_aspectRatio_parameter": {
+          "__compat": {
+            "description": "`constraints.aspectRatio` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-aspectratio",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": false
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "≤12.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_autoGainControl_parameter": {
+          "__compat": {
+            "description": "`constraints.autoGainControl` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-autogaincontrol",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_channelCount_parameter": {
+          "__compat": {
+            "description": "`constraints.channelCount` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-channelcount",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_deviceId_parameter": {
+          "__compat": {
+            "description": "`constraints.deviceId` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-deviceid",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "≤12.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_echoCancellation_parameter": {
+          "__compat": {
+            "description": "`constraints.echoCancellation` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-echocancellation",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "13.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_facingMode_parameter": {
+          "__compat": {
+            "description": "`constraints.facingMode` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-facingmode",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "≤12.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_frameRate_parameter": {
+          "__compat": {
+            "description": "`constraints.frameRate` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-framerate",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "≤12.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_groupId_parameter": {
+          "__compat": {
+            "description": "`constraints.groupId` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-groupId",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "70"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "18.6"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_height_parameter": {
+          "__compat": {
+            "description": "`constraints.height` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-height",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "≤12.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_latency_parameter": {
+          "__compat": {
+            "description": "`constraints.latency` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-latency",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": false
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_noiseSuppression_parameter": {
+          "__compat": {
+            "description": "`constraints.noiseSuppression` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-noisesuppression",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_resizeMode_parameter": {
+          "__compat": {
+            "description": "`constraints.resizeMode` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-resizemode",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "144"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_sampleRate_parameter": {
+          "__compat": {
+            "description": "`constraints.sampleRate` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplerate",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": false
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "18.6"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_sampleSize_parameter": {
+          "__compat": {
+            "description": "`constraints.sampleSize` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplesize",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": false
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "18.6"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "constraints_width_parameter": {
+          "__compat": {
+            "description": "`constraints.width` parameter",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-width",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "≤65"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "≤12.1"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       },
       "selectAudioOutput": {

From f5d02777fcb03816300b0dc63e436bfb9fe5f1dc Mon Sep 17 00:00:00 2001
From: Hamish Willee <hamishwillee@gmail.com>
Date: Mon, 22 Sep 2025 11:00:57 +1000
Subject: [PATCH 2/5] MOve constraints under getSupportedConstraints

---
 api/MediaDevices.json | 164 +++++++++++++++++++++---------------------
 1 file changed, 82 insertions(+), 82 deletions(-)

diff --git a/api/MediaDevices.json b/api/MediaDevices.json
index 6448be04083c5c..e4aa1ccdcd9294 100644
--- a/api/MediaDevices.json
+++ b/api/MediaDevices.json
@@ -503,88 +503,6 @@
             "standard_track": true,
             "deprecated": false
           }
-        }
-      },
-      "getUserMedia": {
-        "__compat": {
-          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaDevices/getUserMedia",
-          "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediadevices-getusermedia",
-          "tags": [
-            "web-features:media-capture"
-          ],
-          "support": {
-            "chrome": {
-              "version_added": "53",
-              "notes": "If you need this capability before version 53, refer to `navigator.webkitGetUserMedia`, a prefixed form of the deprecated [`navigator.getUserMedia`](https://developer.mozilla.org/docs/Web/API/Navigator/getUserMedia) API."
-            },
-            "chrome_android": "mirror",
-            "edge": {
-              "version_added": "12"
-            },
-            "firefox": {
-              "version_added": "36",
-              "notes": [
-                "If you need this capability before version 36, refer to `navigator.mozGetUserMedia`, a prefixed form of the deprecated [`navigator.getUserMedia`](https://developer.mozilla.org/docs/Web/API/Navigator/getUserMedia) API.",
-                "Before Firefox 55, `getUserMedia()` incorrectly returns `NotSupportedError` when the list of constraints specified is empty, or has all constraints set to `false`. Starting in Firefox 55, this situation now correctly calls the failure handler with a `TypeError`.",
-                "When using the Firefox-specific `video` constraint called `mediaSource` to request display capture, Firefox 66 and later consider values of `screen` and `window` to both cause a list of screens _and_ windows to be shown.",
-                "Starting in Firefox 66, `getUserMedia()` can no longer be used in sandboxed `<iframe>`s or `data` URLs entered in the address bar by the user."
-              ]
-            },
-            "firefox_android": "mirror",
-            "oculus": "mirror",
-            "opera": "mirror",
-            "opera_android": "mirror",
-            "safari": {
-              "version_added": "11"
-            },
-            "safari_ios": "mirror",
-            "samsunginternet_android": {
-              "version_added": "6.0"
-            },
-            "webview_android": {
-              "version_added": "53"
-            },
-            "webview_ios": "mirror"
-          },
-          "status": {
-            "experimental": false,
-            "standard_track": true,
-            "deprecated": false
-          }
-        },
-        "secure_context_required": {
-          "__compat": {
-            "description": "Secure context required",
-            "tags": [
-              "web-features:media-capture"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "53"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "68"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "11"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
         },
         "constraints_aspectRatio_parameter": {
           "__compat": {
@@ -1112,6 +1030,88 @@
           }
         }
       },
+      "getUserMedia": {
+        "__compat": {
+          "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaDevices/getUserMedia",
+          "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediadevices-getusermedia",
+          "tags": [
+            "web-features:media-capture"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "53",
+              "notes": "If you need this capability before version 53, refer to `navigator.webkitGetUserMedia`, a prefixed form of the deprecated [`navigator.getUserMedia`](https://developer.mozilla.org/docs/Web/API/Navigator/getUserMedia) API."
+            },
+            "chrome_android": "mirror",
+            "edge": {
+              "version_added": "12"
+            },
+            "firefox": {
+              "version_added": "36",
+              "notes": [
+                "If you need this capability before version 36, refer to `navigator.mozGetUserMedia`, a prefixed form of the deprecated [`navigator.getUserMedia`](https://developer.mozilla.org/docs/Web/API/Navigator/getUserMedia) API.",
+                "Before Firefox 55, `getUserMedia()` incorrectly returns `NotSupportedError` when the list of constraints specified is empty, or has all constraints set to `false`. Starting in Firefox 55, this situation now correctly calls the failure handler with a `TypeError`.",
+                "When using the Firefox-specific `video` constraint called `mediaSource` to request display capture, Firefox 66 and later consider values of `screen` and `window` to both cause a list of screens _and_ windows to be shown.",
+                "Starting in Firefox 66, `getUserMedia()` can no longer be used in sandboxed `<iframe>`s or `data` URLs entered in the address bar by the user."
+              ]
+            },
+            "firefox_android": "mirror",
+            "oculus": "mirror",
+            "opera": "mirror",
+            "opera_android": "mirror",
+            "safari": {
+              "version_added": "11"
+            },
+            "safari_ios": "mirror",
+            "samsunginternet_android": {
+              "version_added": "6.0"
+            },
+            "webview_android": {
+              "version_added": "53"
+            },
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": false,
+            "standard_track": true,
+            "deprecated": false
+          }
+        },
+        "secure_context_required": {
+          "__compat": {
+            "description": "Secure context required",
+            "tags": [
+              "web-features:media-capture"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "53"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "68"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": "11"
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        }
+      },
       "selectAudioOutput": {
         "__compat": {
           "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaDevices/selectAudioOutput",

From 524d33e9ab9209385ba0f1b08614770069073e12 Mon Sep 17 00:00:00 2001
From: Hamish Willee <hamishwillee@gmail.com>
Date: Mon, 22 Sep 2025 11:11:03 +1000
Subject: [PATCH 3/5] Add MDN docs links for constraints

---
 api/MediaDevices.json | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/api/MediaDevices.json b/api/MediaDevices.json
index e4aa1ccdcd9294..ef8dc97a80ebc6 100644
--- a/api/MediaDevices.json
+++ b/api/MediaDevices.json
@@ -507,6 +507,7 @@
         "constraints_aspectRatio_parameter": {
           "__compat": {
             "description": "`constraints.aspectRatio` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/aspectRatio",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-aspectratio",
             "tags": [
               "web-features:web-audio"
@@ -542,6 +543,7 @@
         "constraints_autoGainControl_parameter": {
           "__compat": {
             "description": "`constraints.autoGainControl` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/autoGainControl",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-autogaincontrol",
             "tags": [
               "web-features:web-audio"
@@ -577,6 +579,7 @@
         "constraints_channelCount_parameter": {
           "__compat": {
             "description": "`constraints.channelCount` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/channelCount",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-channelcount",
             "tags": [
               "web-features:web-audio"
@@ -612,6 +615,7 @@
         "constraints_deviceId_parameter": {
           "__compat": {
             "description": "`constraints.deviceId` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/deviceId",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-deviceid",
             "tags": [
               "web-features:web-audio"
@@ -647,6 +651,7 @@
         "constraints_echoCancellation_parameter": {
           "__compat": {
             "description": "`constraints.echoCancellation` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/echoCancellation",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-echocancellation",
             "tags": [
               "web-features:web-audio"
@@ -682,6 +687,7 @@
         "constraints_facingMode_parameter": {
           "__compat": {
             "description": "`constraints.facingMode` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/facingMode",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-facingmode",
             "tags": [
               "web-features:web-audio"
@@ -717,6 +723,7 @@
         "constraints_frameRate_parameter": {
           "__compat": {
             "description": "`constraints.frameRate` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/frameRate",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-framerate",
             "tags": [
               "web-features:web-audio"
@@ -752,6 +759,7 @@
         "constraints_groupId_parameter": {
           "__compat": {
             "description": "`constraints.groupId` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/groupId",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-groupId",
             "tags": [
               "web-features:web-audio"
@@ -787,6 +795,7 @@
         "constraints_height_parameter": {
           "__compat": {
             "description": "`constraints.height` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/height",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-height",
             "tags": [
               "web-features:web-audio"
@@ -822,6 +831,7 @@
         "constraints_latency_parameter": {
           "__compat": {
             "description": "`constraints.latency` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/latency",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-latency",
             "tags": [
               "web-features:web-audio"
@@ -857,6 +867,7 @@
         "constraints_noiseSuppression_parameter": {
           "__compat": {
             "description": "`constraints.noiseSuppression` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/noiseSuppression",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-noisesuppression",
             "tags": [
               "web-features:web-audio"
@@ -892,6 +903,7 @@
         "constraints_resizeMode_parameter": {
           "__compat": {
             "description": "`constraints.resizeMode` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints#resizemode",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-resizemode",
             "tags": [
               "web-features:web-audio"
@@ -927,6 +939,7 @@
         "constraints_sampleRate_parameter": {
           "__compat": {
             "description": "`constraints.sampleRate` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleRate",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplerate",
             "tags": [
               "web-features:web-audio"
@@ -962,6 +975,7 @@
         "constraints_sampleSize_parameter": {
           "__compat": {
             "description": "`constraints.sampleSize` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleSize",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplesize",
             "tags": [
               "web-features:web-audio"
@@ -997,6 +1011,7 @@
         "constraints_width_parameter": {
           "__compat": {
             "description": "`constraints.width` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/width",
             "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-width",
             "tags": [
               "web-features:web-audio"

From 24f16642c5400cec825dc16c9614ace6082de17b Mon Sep 17 00:00:00 2001
From: Hamish Willee <hamishwillee@gmail.com>
Date: Mon, 22 Sep 2025 11:19:12 +1000
Subject: [PATCH 4/5] Add resizeMode constraint (only) to getUserMedia

---
 api/MediaDevices.json | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/api/MediaDevices.json b/api/MediaDevices.json
index ef8dc97a80ebc6..65251a98a61f81 100644
--- a/api/MediaDevices.json
+++ b/api/MediaDevices.json
@@ -1125,6 +1125,42 @@
               "deprecated": false
             }
           }
+        },
+        "constraints_resizeMode_parameter": {
+          "__compat": {
+            "description": "`constraints.resizeMode` parameter",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints#resizemode",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-resizemode",
+            "tags": [
+              "web-features:web-audio"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "≤75"
+              },
+              "chrome_android": "mirror",
+              "edge": "mirror",
+              "firefox": {
+                "version_added": "144"
+              },
+              "firefox_android": "mirror",
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": "mirror",
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": false,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       },
       "selectAudioOutput": {

From dfed077653cb1a30bcab63f90c5595a570eccf6f Mon Sep 17 00:00:00 2001
From: Hamish Willee <hamishwillee@gmail.com>
Date: Fri, 26 Sep 2025 10:04:59 +1000
Subject: [PATCH 5/5] Make into returns

---
 api/MediaDevices.json | 1044 +++++++++++++++++++++--------------------
 1 file changed, 544 insertions(+), 500 deletions(-)

diff --git a/api/MediaDevices.json b/api/MediaDevices.json
index 65251a98a61f81..e541156eaea2e7 100644
--- a/api/MediaDevices.json
+++ b/api/MediaDevices.json
@@ -504,141 +504,41 @@
             "deprecated": false
           }
         },
-        "constraints_aspectRatio_parameter": {
+        "returns_object": {
           "__compat": {
-            "description": "`constraints.aspectRatio` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/aspectRatio",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-aspectratio",
+            "description": "Returns an object containing media track constraints",
+            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints",
+            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset",
             "tags": [
               "web-features:web-audio"
             ],
             "support": {
               "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": false
+                "version_added": "53"
               },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "≤12.1"
+              "chrome_android": {
+                "version_added": "52"
               },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
-        },
-        "constraints_autoGainControl_parameter": {
-          "__compat": {
-            "description": "`constraints.autoGainControl` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/autoGainControl",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-autogaincontrol",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
+              "edge": {
+                "version_added": "12"
               },
-              "chrome_android": "mirror",
-              "edge": "mirror",
               "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
-        },
-        "constraints_channelCount_parameter": {
-          "__compat": {
-            "description": "`constraints.channelCount` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/channelCount",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-channelcount",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
+                "version_added": "44"
               },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
+              "firefox_android": {
+                "version_added": "50"
               },
-              "firefox_android": "mirror",
               "oculus": "mirror",
               "opera": "mirror",
               "opera_android": "mirror",
               "safari": {
-                "version_added": false
+                "version_added": "11"
               },
               "safari_ios": "mirror",
               "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
-            }
-          }
-        },
-        "constraints_deviceId_parameter": {
-          "__compat": {
-            "description": "`constraints.deviceId` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/deviceId",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-deviceid",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "≤12.1"
+              "webview_android": {
+                "version_added": "53"
               },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
               "webview_ios": "mirror"
             },
             "status": {
@@ -646,401 +546,545 @@
               "standard_track": true,
               "deprecated": false
             }
-          }
-        },
-        "constraints_echoCancellation_parameter": {
-          "__compat": {
-            "description": "`constraints.echoCancellation` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/echoCancellation",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-echocancellation",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "13.1"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "aspectRatio_property": {
+            "__compat": {
+              "description": "`aspectRatio` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/aspectRatio",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-aspectratio",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "≤12.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_facingMode_parameter": {
-          "__compat": {
-            "description": "`constraints.facingMode` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/facingMode",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-facingmode",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "≤12.1"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "autoGainControl_property": {
+            "__compat": {
+              "description": "`autoGainControl` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/autoGainControl",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-autogaincontrol",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_frameRate_parameter": {
-          "__compat": {
-            "description": "`constraints.frameRate` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/frameRate",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-framerate",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "≤12.1"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "channelCount_property": {
+            "__compat": {
+              "description": "`channelCount` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/channelCount",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-channelcount",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_groupId_parameter": {
-          "__compat": {
-            "description": "`constraints.groupId` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/groupId",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-groupId",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "70"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "18.6"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "deviceId_property": {
+            "__compat": {
+              "description": "`deviceId` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/deviceId",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-deviceid",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "≤12.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_height_parameter": {
-          "__compat": {
-            "description": "`constraints.height` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/height",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-height",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "≤12.1"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "echoCancellation_property": {
+            "__compat": {
+              "description": "`echoCancellation` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/echoCancellation",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-echocancellation",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "13.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_latency_parameter": {
-          "__compat": {
-            "description": "`constraints.latency` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/latency",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-latency",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": false
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "facingMode_property": {
+            "__compat": {
+              "description": "`facingMode` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/facingMode",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-facingmode",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "≤12.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_noiseSuppression_parameter": {
-          "__compat": {
-            "description": "`constraints.noiseSuppression` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/noiseSuppression",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-noisesuppression",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "frameRate_property": {
+            "__compat": {
+              "description": "`frameRate` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/frameRate",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-framerate",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "≤12.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_resizeMode_parameter": {
-          "__compat": {
-            "description": "`constraints.resizeMode` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints#resizemode",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-resizemode",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "144"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": false
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "groupId_property": {
+            "__compat": {
+              "description": "`groupId` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/groupId",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-groupId",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "70"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "18.6"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_sampleRate_parameter": {
-          "__compat": {
-            "description": "`constraints.sampleRate` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleRate",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplerate",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": false
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "18.6"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "height_property": {
+            "__compat": {
+              "description": "`height` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/height",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-height",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "≤12.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_sampleSize_parameter": {
-          "__compat": {
-            "description": "`constraints.sampleSize` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleSize",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplesize",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": false
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "18.6"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "latency_property": {
+            "__compat": {
+              "description": "`latency` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/latency",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-latency",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
-          }
-        },
-        "constraints_width_parameter": {
-          "__compat": {
-            "description": "`constraints.width` parameter",
-            "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/width",
-            "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-width",
-            "tags": [
-              "web-features:web-audio"
-            ],
-            "support": {
-              "chrome": {
-                "version_added": "≤75"
-              },
-              "chrome_android": "mirror",
-              "edge": "mirror",
-              "firefox": {
-                "version_added": "≤65"
-              },
-              "firefox_android": "mirror",
-              "oculus": "mirror",
-              "opera": "mirror",
-              "opera_android": "mirror",
-              "safari": {
-                "version_added": "≤12.1"
-              },
-              "safari_ios": "mirror",
-              "samsunginternet_android": "mirror",
-              "webview_android": "mirror",
-              "webview_ios": "mirror"
-            },
-            "status": {
-              "experimental": false,
-              "standard_track": true,
-              "deprecated": false
+          },
+          "noiseSuppression_property": {
+            "__compat": {
+              "description": "`noiseSuppression` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/noiseSuppression",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-noisesuppression",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
+          "resizeMode_property": {
+            "__compat": {
+              "description": "`resizeMode` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints#resizemode",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-resizemode",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "144"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": false
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
+          "sampleRate_property": {
+            "__compat": {
+              "description": "`sampleRate` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleRate",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplerate",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "18.6"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
+          "sampleSize_property": {
+            "__compat": {
+              "description": "`sampleSize` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/sampleSize",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-samplesize",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": false
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "18.6"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
+          },
+          "width_property": {
+            "__compat": {
+              "description": "`width` property",
+              "mdn_url": "https://developer.mozilla.org/docs/Web/API/MediaTrackConstraints/width",
+              "spec_url": "https://w3c.github.io/mediacapture-main/#dom-mediatrackconstraintset-width",
+              "tags": [
+                "web-features:web-audio"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "≤75"
+                },
+                "chrome_android": "mirror",
+                "edge": "mirror",
+                "firefox": {
+                  "version_added": "≤65"
+                },
+                "firefox_android": "mirror",
+                "oculus": "mirror",
+                "opera": "mirror",
+                "opera_android": "mirror",
+                "safari": {
+                  "version_added": "≤12.1"
+                },
+                "safari_ios": "mirror",
+                "samsunginternet_android": "mirror",
+                "webview_android": "mirror",
+                "webview_ios": "mirror"
+              },
+              "status": {
+                "experimental": false,
+                "standard_track": true,
+                "deprecated": false
+              }
             }
           }
         }