diff --git a/api/Permissions.json b/api/Permissions.json
index d72f8ecacc47cf..992be12c86f1b9 100644
--- a/api/Permissions.json
+++ b/api/Permissions.json
@@ -438,6 +438,118 @@
           }
         }
       },
+      "permission_local-network": {
+        "__compat": {
+          "description": "`local-network` permission",
+          "spec_url": "https://wicg.github.io/local-network-access/#permissiondef-local-network",
+          "tags": [
+            "web-features:local-network-access"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "145"
+            },
+            "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": {
+              "version_added": false
+            },
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
+      "permission_local-network-access": {
+        "__compat": {
+          "description": "`local-network-access` permission",
+          "spec_url": "https://wicg.github.io/local-network-access/#permissiondef-local-network-access",
+          "tags": [
+            "web-features:local-network-access"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "142",
+              "notes": "Superceded by the `local-network` and `loopback-network` permissions; acts as an alias for both."
+            },
+            "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": {
+              "version_added": false
+            },
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
+      "permission_loopback-network": {
+        "__compat": {
+          "description": "`loopback-network` permission",
+          "spec_url": "https://wicg.github.io/local-network-access/#permissiondef-loopback-network",
+          "tags": [
+            "web-features:local-network-access"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "145"
+            },
+            "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": {
+              "version_added": false
+            },
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
+      },
       "permission_magnetometer": {
         "__compat": {
           "description": "`magnetometer` permission",
diff --git a/api/Request.json b/api/Request.json
index 69a7b3a07e3c00..c77e5c36f02cd1 100644
--- a/api/Request.json
+++ b/api/Request.json
@@ -434,6 +434,49 @@
             }
           }
         },
+        "init_targetAddressSpace_parameter": {
+          "__compat": {
+            "description": "`init.targetAddressSpace` parameter",
+            "spec_url": "https://wicg.github.io/local-network-access/#dom-requestinit-targetaddressspace",
+            "tags": [
+              "web-features:local-network-access"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "142"
+              },
+              "chrome_android": "mirror",
+              "deno": {
+                "version_added": false
+              },
+              "edge": "mirror",
+              "firefox": {
+                "version_added": false
+              },
+              "firefox_android": "mirror",
+              "nodejs": {
+                "version_added": false
+              },
+              "oculus": "mirror",
+              "opera": "mirror",
+              "opera_android": "mirror",
+              "safari": {
+                "version_added": false
+              },
+              "safari_ios": "mirror",
+              "samsunginternet_android": "mirror",
+              "webview_android": {
+                "version_added": false
+              },
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
         "request_body_readablestream": {
           "__compat": {
             "description": "Send `ReadableStream` in request body",
@@ -1729,22 +1772,9 @@
             "web-features:local-network-access"
           ],
           "support": {
-            "chrome": [
-              {
-                "version_added": "138",
-                "flags": [
-                  {
-                    "type": "preference",
-                    "name": "#local-network-access-check",
-                    "value_to_set": "Enabled"
-                  }
-                ]
-              },
-              {
-                "version_added": "124",
-                "version_removed": "138"
-              }
-            ],
+            "chrome": {
+              "version_added": "142"
+            },
             "chrome_android": "mirror",
             "deno": {
               "version_added": false
@@ -1765,7 +1795,9 @@
             },
             "safari_ios": "mirror",
             "samsunginternet_android": "mirror",
-            "webview_android": "mirror",
+            "webview_android": {
+              "version_added": false
+            },
             "webview_ios": "mirror"
           },
           "status": {
diff --git a/api/_globals/fetch.json b/api/_globals/fetch.json
index 228a75cec9470c..ed95184a6305a5 100644
--- a/api/_globals/fetch.json
+++ b/api/_globals/fetch.json
@@ -490,6 +490,49 @@
             "deprecated": false
           }
         }
+      },
+      "init_targetAddressSpace_parameter": {
+        "__compat": {
+          "description": "`init.targetAddressSpace` parameter",
+          "spec_url": "https://wicg.github.io/local-network-access/#dom-requestinit-targetaddressspace",
+          "tags": [
+            "web-features:local-network-access"
+          ],
+          "support": {
+            "chrome": {
+              "version_added": "142"
+            },
+            "chrome_android": "mirror",
+            "deno": {
+              "version_added": false
+            },
+            "edge": "mirror",
+            "firefox": {
+              "version_added": false
+            },
+            "firefox_android": "mirror",
+            "nodejs": {
+              "version_added": false
+            },
+            "oculus": "mirror",
+            "opera": "mirror",
+            "opera_android": "mirror",
+            "safari": {
+              "version_added": false
+            },
+            "safari_ios": "mirror",
+            "samsunginternet_android": "mirror",
+            "webview_android": {
+              "version_added": false
+            },
+            "webview_ios": "mirror"
+          },
+          "status": {
+            "experimental": true,
+            "standard_track": true,
+            "deprecated": false
+          }
+        }
       }
     }
   }
diff --git a/http/headers/Permissions-Policy.json b/http/headers/Permissions-Policy.json
index 0f2c710ddd0937..b0f94b1b885d26 100644
--- a/http/headers/Permissions-Policy.json
+++ b/http/headers/Permissions-Policy.json
@@ -882,6 +882,115 @@
             }
           }
         },
+        "local-network": {
+          "__compat": {
+            "spec_url": "https://wicg.github.io/local-network-access/#permissiondef-local-network",
+            "tags": [
+              "web-features:local-network-access"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "145"
+              },
+              "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": {
+                "version_added": false
+              },
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "local-network-access": {
+          "__compat": {
+            "spec_url": "https://wicg.github.io/local-network-access/#permissiondef-local-network-access",
+            "tags": [
+              "web-features:local-network-access"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "142",
+                "notes": "Superceded by the `local-network` and `loopback-network` permission policies; acts as an alias for both."
+              },
+              "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": {
+                "version_added": false
+              },
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
+        "loopback-network": {
+          "__compat": {
+            "spec_url": "https://wicg.github.io/local-network-access/#permissiondef-loopback-network",
+            "tags": [
+              "web-features:local-network-access"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "145"
+              },
+              "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": {
+                "version_added": false
+              },
+              "webview_ios": "mirror"
+            },
+            "status": {
+              "experimental": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
+        },
         "magnetometer": {
           "__compat": {
             "mdn_url": "https://developer.mozilla.org/docs/Web/HTTP/Reference/Headers/Permissions-Policy/magnetometer",