chore: update changelog with isObject short-circuiting fix

CHANGELOG.md

@@ -22,6 +22,10 @@ should change the heading of the (upcoming) version to include a major version b
 
 - Fix default value population when switching between options in `MultiSchemaField` [#4375](https://github.com/rjsf-team/react-jsonschema-form/pull/4375). Fixes [#4367](https://github.com/rjsf-team/react-jsonschema-form/issues/4367)
 
+## @rjsf/utils
+
+- Short-circuit `File` and `Date` constructor access in isObject to optimize performance in scenarios where `globalThis` is a `Proxy` that incurs overhead for each class constructor access ([#4413](https://github.com/rjsf-team/react-jsonschema-form/pull/4413)). Fixes [#4409](https://github.com/rjsf-team/react-jsonschema-form/issues/4409)
+
 ## @rjsf/validator-ajv8
 
 - Fixed issue where `ui:title` in anyOf/oneOf is not shown in error messages. Fixes [#4368](https://github.com/rjsf-team/react-jsonschema-form/issues/4368)
@@ -178,18 +182,18 @@ should change the heading of the (upcoming) version to include a major version b
 ## @rjsf/core
 
 - Support allowing raising errors from within a custom Widget [#2718](https://github.com/rjsf-team/react-jsonschema-form/issues/2718)
-- Updated `ArrayField`, `BooleanField` and `StringField` to call `optionsList()` with the additional `UiSchema` parameter, fixing [#4215](https://github.com/rjsf-team/react-jsonschema-form/issues/4215) and  [#4260](https://github.com/rjsf-team/react-jsonschema-form/issues/4260)
+- Updated `ArrayField`, `BooleanField` and `StringField` to call `optionsList()` with the additional `UiSchema` parameter, fixing [#4215](https://github.com/rjsf-team/react-jsonschema-form/issues/4215) and [#4260](https://github.com/rjsf-team/react-jsonschema-form/issues/4260)
 
 ## @rjsf/utils
 
 - Updated the `WidgetProps` type to add `es?: ErrorSchema<T>, id?: string` to the params of the `onChange` handler function
 - Updated `UIOptionsBaseType` to add the new `enumNames` prop to support an alternate way to provide labels for `enum`s in a schema, fixing [#4215](https://github.com/rjsf-team/react-jsonschema-form/issues/4215)
-- Updated `optionsList()` to take an optional `uiSchema` that is used to extract alternate labels for `enum`s or `oneOf`/`anyOf` in a schema, fixing [#4215](https://github.com/rjsf-team/react-jsonschema-form/issues/4215) and  [#4260](https://github.com/rjsf-team/react-jsonschema-form/issues/4260)
+- Updated `optionsList()` to take an optional `uiSchema` that is used to extract alternate labels for `enum`s or `oneOf`/`anyOf` in a schema, fixing [#4215](https://github.com/rjsf-team/react-jsonschema-form/issues/4215) and [#4260](https://github.com/rjsf-team/react-jsonschema-form/issues/4260)
   - NOTE: The generics for `optionsList()` were expanded from `<S extends StrictRJSFSchema = RJSFSchema>` to `<S extends StrictRJSFSchema = RJSFSchema, T = any, F extends FormContextType = any>` to support the `UiSchema`.
 
 ## Dev / docs / playground
 
--  Update the `custom-widget-fields.md` to add documentation for how to raise errors from a custom widget or field
+- Update the `custom-widget-fields.md` to add documentation for how to raise errors from a custom widget or field
 
 # 5.19.4