diff --git a/css/properties/background-blend-mode.json b/css/properties/background-blend-mode.json
index f9f388e42b69d6..472cdc4591d3fb 100644
--- a/css/properties/background-blend-mode.json
+++ b/css/properties/background-blend-mode.json
@@ -15,10 +15,10 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": true
             },
             "firefox": {
               "version_added": "30"
diff --git a/css/properties/isolation.json b/css/properties/isolation.json
index 5b2bbd7e85e68b..74e1d2ea6225c0 100644
--- a/css/properties/isolation.json
+++ b/css/properties/isolation.json
@@ -15,10 +15,10 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": true
             },
             "firefox": {
               "version_added": "36"
diff --git a/css/properties/mix-blend-mode.json b/css/properties/mix-blend-mode.json
index 13aad6d8c9fdb4..2d0a489eae84b6 100644
--- a/css/properties/mix-blend-mode.json
+++ b/css/properties/mix-blend-mode.json
@@ -15,10 +15,10 @@
               "version_added": null
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": true
             },
             "firefox": {
               "version_added": "32"
@@ -27,7 +27,7 @@
               "version_added": "32"
             },
             "ie": {
-              "version_added": null
+              "version_added": false
             },
             "opera": {
               "version_added": true
@@ -65,10 +65,10 @@
                 "version_added": null
               },
               "edge": {
-                "version_added": null
+                "version_added": false
               },
               "edge_mobile": {
-                "version_added": null
+                "version_added": true
               },
               "firefox": {
                 "version_added": "32"
@@ -77,7 +77,7 @@
                 "version_added": "32"
               },
               "ie": {
-                "version_added": null
+                "version_added": false
               },
               "opera": {
                 "version_added": false
diff --git a/css/types/blend-mode.json b/css/types/blend-mode.json
index 4b7618e9c114ad..7ed2cf1fbd2b92 100644
--- a/css/types/blend-mode.json
+++ b/css/types/blend-mode.json
@@ -16,10 +16,10 @@
               "version_added": "59"
             },
             "edge": {
-              "version_added": null
+              "version_added": false
             },
             "edge_mobile": {
-              "version_added": null
+              "version_added": true
             },
             "firefox": {
               "version_added": "30"