diff --git a/api/HTMLElement.json b/api/HTMLElement.json
index 74ea616ee60733..ce09cf2cf8e98e 100644
--- a/api/HTMLElement.json
+++ b/api/HTMLElement.json
@@ -2468,14 +2468,30 @@
               "web-features:popover-hint"
             ],
             "support": {
-              "chrome": {
-                "version_added": "133"
-              },
+              "chrome": [
+                {
+                  "version_added": "150"
+                },
+                {
+                  "version_added": "133",
+                  "version_removed": "150",
+                  "partial_implementation": true,
+                  "notes": "Implements an older version of the specification with inconsistent behaviors. See [bug 499019927](https://crbug.com/499019927)."
+                }
+              ],
               "chrome_android": "mirror",
               "edge": "mirror",
-              "firefox": {
-                "version_added": "149"
-              },
+              "firefox": [
+                {
+                  "version_added": "153"
+                },
+                {
+                  "version_added": "149",
+                  "version_removed": "153",
+                  "partial_implementation": true,
+                  "notes": "Implements an older version of the specification with inconsistent behaviors. See [bug 2029974](https://bugzil.la/2029974)."
+                }
+              ],
               "firefox_android": "mirror",
               "oculus": "mirror",
               "opera": "mirror",
diff --git a/html/global_attributes.json b/html/global_attributes.json
index 11334116c09a8b..926c40328df8a3 100644
--- a/html/global_attributes.json
+++ b/html/global_attributes.json
@@ -1094,16 +1094,30 @@
               "web-features:popover-hint"
             ],
             "support": {
-              "chrome": {
-                "version_added": "133",
-                "notes": "Implements an older version of the specification with inconsistent behaviors. See [bug 499019927](https://crbug.com/499019927)."
-              },
+              "chrome": [
+                {
+                  "version_added": "150"
+                },
+                {
+                  "version_added": "133",
+                  "version_removed": "150",
+                  "partial_implementation": true,
+                  "notes": "Implements an older version of the specification with inconsistent behaviors. See [bug 499019927](https://crbug.com/499019927)."
+                }
+              ],
               "chrome_android": "mirror",
               "edge": "mirror",
-              "firefox": {
-                "version_added": "149",
-                "notes": "Implements an older version of the specification with inconsistent behaviors. See [bug 2029974](https://bugzil.la/2029974)."
-              },
+              "firefox": [
+                {
+                  "version_added": "153"
+                },
+                {
+                  "version_added": "149",
+                  "version_removed": "153",
+                  "partial_implementation": true,
+                  "notes": "Implements an older version of the specification with inconsistent behaviors. See [bug 2029974](https://bugzil.la/2029974)."
+                }
+              ],
               "firefox_android": "mirror",
               "oculus": "mirror",
               "opera": "mirror",