diff --git a/api/Request.json b/api/Request.json
index da707ce0eb4b93..01229ebb8a8f2b 100644
--- a/api/Request.json
+++ b/api/Request.json
@@ -375,12 +375,16 @@
               },
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": false,
+                "impl_url": "https://bugzil.la/1387483"
               },
               "firefox_android": "mirror",
               "ie": {
                 "version_added": false
               },
+              "nodejs": {
+                "version_added": "18.0.0"
+              },
               "oculus": "mirror",
               "opera": "mirror",
               "opera_android": "mirror",
diff --git a/api/_globals/fetch.json b/api/_globals/fetch.json
index 3fafc91436c1f5..929db04c625293 100644
--- a/api/_globals/fetch.json
+++ b/api/_globals/fetch.json
@@ -129,6 +129,48 @@
           }
         }
       },
+      "body_readablestream": {
+        "__compat": {
+          "description": "Send `ReadableStream` in body",
+          "spec_url": "https://fetch.spec.whatwg.org/#concept-body-stream",
+          "support": {
+            "chrome": {
+              "version_added": "105"
+            },
+            "chrome_android": "mirror",
+            "deno": {
+              "version_added": "1.7"
+            },
+            "edge": "mirror",
+            "firefox": {
+              "version_added": false,
+              "impl_url": "https://bugzil.la/1387483"
+            },
+            "firefox_android": "mirror",
+            "ie": {
+              "version_added": false
+            },
+            "nodejs": {
+              "version_added": "18.0.0"
+            },
+            "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": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "init_attributionReporting_parameter": {
         "__compat": {
           "description": "`init.attributionReporting` parameter",