diff --git a/webassembly/api.json b/webassembly/api.json
index ddf0eaea59be2f..eb15091eda323e 100644
--- a/webassembly/api.json
+++ b/webassembly/api.json
@@ -108,7 +108,7 @@
               },
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": "134"
               },
               "firefox_android": "mirror",
               "ie": {
@@ -129,7 +129,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": true,
+              "experimental": false,
               "standard_track": true,
               "deprecated": false
             }
@@ -201,7 +201,7 @@
               },
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": "134"
               },
               "firefox_android": "mirror",
               "ie": {
@@ -222,7 +222,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": true,
+              "experimental": false,
               "standard_track": true,
               "deprecated": false
             }
@@ -292,7 +292,7 @@
               },
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": "134"
               },
               "firefox_android": "mirror",
               "ie": {
@@ -313,7 +313,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": true,
+              "experimental": false,
               "standard_track": true,
               "deprecated": false
             }
@@ -385,7 +385,7 @@
               },
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": "134"
               },
               "firefox_android": "mirror",
               "ie": {
@@ -406,7 +406,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": true,
+              "experimental": false,
               "standard_track": true,
               "deprecated": false
             }
@@ -476,7 +476,7 @@
               },
               "edge": "mirror",
               "firefox": {
-                "version_added": false
+                "version_added": "134"
               },
               "firefox_android": "mirror",
               "ie": {
@@ -497,7 +497,7 @@
               "webview_ios": "mirror"
             },
             "status": {
-              "experimental": true,
+              "experimental": false,
               "standard_track": true,
               "deprecated": false
             }
diff --git a/webassembly/api/Module.json b/webassembly/api/Module.json
index f2506406b3fe35..13a2c24f33bbbe 100644
--- a/webassembly/api/Module.json
+++ b/webassembly/api/Module.json
@@ -109,7 +109,7 @@
                 },
                 "edge": "mirror",
                 "firefox": {
-                  "version_added": false
+                  "version_added": "134"
                 },
                 "firefox_android": "mirror",
                 "ie": {
@@ -130,7 +130,7 @@
                 "webview_ios": "mirror"
               },
               "status": {
-                "experimental": true,
+                "experimental": false,
                 "standard_track": true,
                 "deprecated": false
               }