diff --git a/api/MediaQueryList.json b/api/MediaQueryList.json
index 2d98fed8606ae8..9a4fa457ae9713 100644
--- a/api/MediaQueryList.json
+++ b/api/MediaQueryList.json
@@ -55,10 +55,10 @@
           "description": "<code>EventListener</code> objects as parameters",
           "support": {
             "chrome": {
-              "version_added": "45"
+              "version_added": "39"
             },
             "chrome_android": {
-              "version_added": "45"
+              "version_added": "39"
             },
             "edge": {
               "version_added": "≤79"
@@ -73,10 +73,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": false
+              "version_added": "26"
             },
             "opera_android": {
-              "version_added": false
+              "version_added": "26"
             },
             "safari": {
               "version_added": "14"
@@ -85,10 +85,10 @@
               "version_added": "14"
             },
             "samsunginternet_android": {
-              "version_added": "5.0"
+              "version_added": "4.0"
             },
             "webview_android": {
-              "version_added": "45"
+              "version_added": "39"
             }
           },
           "status": {
@@ -103,10 +103,10 @@
           "description": "<code>MediaQueryList</code> inherits <code>EventTarget</code>",
           "support": {
             "chrome": {
-              "version_added": "45"
+              "version_added": "39"
             },
             "chrome_android": {
-              "version_added": "45"
+              "version_added": "39"
             },
             "edge": {
               "version_added": "16"
@@ -121,10 +121,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": "32"
+              "version_added": "26"
             },
             "opera_android": {
-              "version_added": "32"
+              "version_added": "26"
             },
             "safari": {
               "version_added": "14"
@@ -133,10 +133,10 @@
               "version_added": "14"
             },
             "samsunginternet_android": {
-              "version_added": "5.0"
+              "version_added": "4.0"
             },
             "webview_android": {
-              "version_added": "45"
+              "version_added": "39"
             }
           },
           "status": {
@@ -205,10 +205,10 @@
           "spec_url": "https://drafts.csswg.org/cssom-view/#dom-mediaquerylist-onchange",
           "support": {
             "chrome": {
-              "version_added": "45"
+              "version_added": "39"
             },
             "chrome_android": {
-              "version_added": "45"
+              "version_added": "39"
             },
             "edge": {
               "version_added": "79"
@@ -223,10 +223,10 @@
               "version_added": false
             },
             "opera": {
-              "version_added": "32"
+              "version_added": "26"
             },
             "opera_android": {
-              "version_added": "32"
+              "version_added": "26"
             },
             "safari": {
               "version_added": "14"
@@ -235,10 +235,10 @@
               "version_added": "14"
             },
             "samsunginternet_android": {
-              "version_added": "5.0"
+              "version_added": "4.0"
             },
             "webview_android": {
-              "version_added": "45"
+              "version_added": "39"
             }
           },
           "status": {