diff --git a/api/GPUDevice.json b/api/GPUDevice.json
index 9b4bc2d246bd69..3270bbe9ef686b 100644
--- a/api/GPUDevice.json
+++ b/api/GPUDevice.json
@@ -2019,6 +2019,49 @@
               "deprecated": false
             }
           }
+        },
+        "usage_transient_attachment": {
+          "__compat": {
+            "description": "`transient_attachment` usage",
+            "spec_url": "https://gpuweb.github.io/gpuweb/#dom-gputextureusage-transient_attachment",
+            "tags": [
+              "web-features:webgpu"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "146",
+                "partial_implementation": true,
+                "notes": [
+                  "Supported on ChromeOS, macOS, and Windows.",
+                  "Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144."
+                ]
+              },
+              "chrome_android": "mirror",
+              "deno": {
+                "version_added": false
+              },
+              "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": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       },
       "destroy": {
diff --git a/api/GPUTexture.json b/api/GPUTexture.json
index 65ce32ccd605a4..a9922282df0b95 100644
--- a/api/GPUTexture.json
+++ b/api/GPUTexture.json
@@ -263,6 +263,49 @@
               "standard_track": true,
               "deprecated": false
             }
+          },
+          "transient_attachment": {
+            "__compat": {
+              "description": "`transient_attachment` value",
+              "spec_url": "https://gpuweb.github.io/gpuweb/#dom-gputextureusage-transient_attachment",
+              "tags": [
+                "web-features:webgpu"
+              ],
+              "support": {
+                "chrome": {
+                  "version_added": "146",
+                  "partial_implementation": true,
+                  "notes": [
+                    "Supported on ChromeOS, macOS, and Windows.",
+                    "Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144."
+                  ]
+                },
+                "chrome_android": "mirror",
+                "deno": {
+                  "version_added": false
+                },
+                "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": true,
+                "standard_track": true,
+                "deprecated": false
+              }
+            }
           }
         }
       },
@@ -952,6 +995,49 @@
             "standard_track": true,
             "deprecated": false
           }
+        },
+        "transient_attachment": {
+          "__compat": {
+            "description": "`transient_attachment` value",
+            "spec_url": "https://gpuweb.github.io/gpuweb/#dom-gputextureusage-transient_attachment",
+            "tags": [
+              "web-features:webgpu"
+            ],
+            "support": {
+              "chrome": {
+                "version_added": "146",
+                "partial_implementation": true,
+                "notes": [
+                  "Supported on ChromeOS, macOS, and Windows.",
+                  "Supported on Linux (Intel Gen12+ GPUs only) since Chrome 144."
+                ]
+              },
+              "chrome_android": "mirror",
+              "deno": {
+                "version_added": false
+              },
+              "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": true,
+              "standard_track": true,
+              "deprecated": false
+            }
+          }
         }
       },
       "width": {