upd

Author: dimaMachina

.changeset/soft-cars-notice.md

@@ -1,7 +1,7 @@
 ---
 'graphiql': major
 '@graphiql/react': minor
-'monaco-graphql': major
+'monaco-graphql': minor
 ---
 
 replace Codemirror editor with Monaco editor and Monaco GraphQL

packages/graphiql-react/package.json

@@ -50,7 +50,7 @@
     "react-dom": "^18 || ^19"
   },
   "dependencies": {
-    "monaco-editor": "^0.52.2",
+    "monaco-editor": "^0.47",
     "monaco-graphql": "^1.6.1",
     "jsonc-parser": "^3.3.1",
     "prettier": "^3.5.3",

yarn.lock

@@ -14487,7 +14487,7 @@ monaco-editor-webpack-plugin@^7.0.1:
   dependencies:
     loader-utils "^2.0.2"
 
-monaco-editor@0.47.0, monaco-editor@^0.39.0, monaco-editor@^0.52.2:
+monaco-editor@0.47.0, monaco-editor@^0.39.0, monaco-editor@^0.47, monaco-editor@^0.52.2:
   version "0.47.0"
   resolved "https://registry.yarnpkg.com/monaco-editor/-/monaco-editor-0.47.0.tgz#39865d67e0c9fb8c6b49e760bf9caf6a6650d28e"
   integrity sha512-VabVvHvQ9QmMwXu4du008ZDuyLnHs9j7ThVFsiJoXSOQk18+LF89N4ADzPbFenm0W4V2bGHnFBztIRQTgBfxzw==