Updates

packages/redux-devtools-extension/package.json

@@ -29,8 +29,7 @@
     "prepublish": "pnpm run type-check && pnpm run lint"
   },
   "dependencies": {
-    "@babel/runtime": "^7.26.9",
-    "immutable": "^5.0.3"
+    "@babel/runtime": "^7.26.9"
   },
   "devDependencies": {
     "@babel/cli": "^7.26.4",

packages/redux-devtools-extension/src/index.ts

@@ -1,4 +1,3 @@
-import type Immutable from 'immutable';
 import { compose } from 'redux';
 import type { Action, ActionCreator, StoreEnhancer } from 'redux';
 
@@ -74,11 +73,11 @@ export interface EnhancerOptions {
          * Just pass the Immutable library. It will support all ImmutableJS structures. You can even export them into a file and get them back.
          * The only exception is `Record` class, for which you should pass this in addition the references to your classes in `refs`.
          */
-        immutable?: typeof Immutable;
+        immutable?: unknown;
         /**
          * ImmutableJS `Record` classes used to make possible restore its instances back when importing, persisting...
          */
-        refs?: Immutable.Record.Factory<any>[];
+        refs?: (new (data: any) => unknown)[];
       };
   /**
    * function which takes `action` object and id number as arguments, and should return `action` object back.

packages/redux-devtools-serialize/src/immutable/serialize.ts

@@ -57,8 +57,8 @@ export default function serialize(
           return immutable.List(immutableValue.data);
         case 'ImmutableRange':
           return immutable.Range(
-            immutableValue.data._start,
-            immutableValue.data._end,
+            immutableValue.data._start!,
+            immutableValue.data._end!,
             immutableValue.data._step,
           );
         case 'ImmutableRepeat':

pnpm-lock.yaml

@@ -1211,9 +1211,6 @@ importers:
       '@babel/runtime':
         specifier: ^7.26.9
         version: 7.26.9
-      immutable:
-        specifier: ^5.0.3
-        version: 5.0.3
     devDependencies:
       '@babel/cli':
         specifier: ^7.26.4