diff --git a/src/schemas/json/partial-mypy.json b/src/schemas/json/partial-mypy.json
index 379f15f293b..5c911967d35 100644
--- a/src/schemas/json/partial-mypy.json
+++ b/src/schemas/json/partial-mypy.json
@@ -574,6 +574,33 @@
       "default": false,
       "description": "UNDOCUMENTED: show links for error codes."
     },
+    "disable_bytearray_promotion": {
+      "type": "boolean",
+      "default": false,
+      "description": "UNDOCUMENTED. Disables automatic promotion of `bytearray` to `bytes` type. Is set to `true` in strict mode.",
+      "x-intellij-html-description": "UNDOCUMENTED. Disables automatic promotion of <code>bytearray</code> to <code>bytes</code> type. Is set to <code>true</code> in strict mode."
+    },
+    "disable_memoryview_promotion": {
+      "type": "boolean",
+      "default": false,
+      "description": "UNDOCUMENTED. Disables automatic promotion of `memoryview` to `bytes` type. Is set to `true` in strict mode.",
+      "x-intellij-html-description": "UNDOCUMENTED. Disables automatic promotion of <code>memoryview</code> to <code>bytes</code> type. Is set to <code>true</code> in strict mode."
+    },
+    "enable_incomplete_feature": {
+      "description": "Enable a preview of incomplete features that are not yet enabled by default by the current version of mypy. Note that it is not guaranteed that all features will be ultimately enabled by default.",
+      "x-intellij-html-description": "Enable a preview of incomplete features that are not yet enabled by default by the current version of mypy. Note that it is not guaranteed that all features will be ultimately enabled by default.",
+      "oneOf": [
+        {
+          "type": "string"
+        },
+        {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        }
+      ]
+    },
     "overrides": {
       "type": "array",
       "items": {