diff --git a/packages/svelte/src/internal/client/constants.js b/packages/svelte/src/internal/client/constants.js
index a13c040fdd..eb5b78c147 100644
--- a/packages/svelte/src/internal/client/constants.js
+++ b/packages/svelte/src/internal/client/constants.js
@@ -17,3 +17,4 @@ export const EFFECT_TRANSPARENT = 1 << 14;
 export const LEGACY_DERIVED_PROP = 1 << 15;
 
 export const STATE_SYMBOL = Symbol('$state');
+export const RAW_SYMBOL = Symbol();
diff --git a/packages/svelte/src/internal/client/dev/equality.js b/packages/svelte/src/internal/client/dev/equality.js
new file mode 100644
index 0000000000..218ec33564
--- /dev/null
+++ b/packages/svelte/src/internal/client/dev/equality.js
@@ -0,0 +1,72 @@
+import { DEV } from 'esm-env';
+import { STATE_SYMBOL } from '../constants';
+import * as w from '../warnings.js';
+import { raw } from '../proxy';
+
+export function init_array_prototype_warnings() {
+	const array_prototype = Array.prototype;
+
+	const original_index_of = array_prototype.indexOf;
+
+	array_prototype.indexOf = function (search_element, from_index) {
+		const index = original_index_of.call(this, search_element, from_index);
+		if (index === -1) {
+			if (original_index_of.call(raw(this), search_element, from_index) !== -1) {
+				w.state_proxy_equality_mismatch('Array.indexOf');
+			}
+		}
+		return index;
+	};
+
+	const original_last_index_of = array_prototype.lastIndexOf;
+
+	array_prototype.lastIndexOf = function (search_element, from_index) {
+		const index = original_last_index_of.call(this, search_element, from_index);
+		if (index === -1) {
+			if (original_last_index_of.call(raw(this), search_element, from_index) !== -1) {
+				w.state_proxy_equality_mismatch('Array.lastIndexOf');
+			}
+		}
+		return index;
+	};
+
+	const original_includes = array_prototype.includes;
+
+	array_prototype.includes = function (search_element, from_index) {
+		const has = original_includes.call(this, search_element, from_index);
+		if (!has) {
+			if (original_includes.call(raw(this), search_element, from_index)) {
+				w.state_proxy_equality_mismatch('Array.includes');
+			}
+		}
+		return has;
+	};
+}
+
+/**
+ * @param {any} a
+ * @param {any} b
+ * @returns {boolean}
+ */
+export function strict_equals(a, b) {
+	if (DEV) {
+		if (a !== b && raw(a) === raw(b)) {
+			w.state_proxy_equality_mismatch('=== operator');
+		}
+	}
+	return a === b;
+}
+
+/**
+ * @param {any} a
+ * @param {any} b
+ * @returns {boolean}
+ */
+export function equals(a, b) {
+	if (DEV) {
+		if (a != b && raw(a) == raw(b)) {
+			w.state_proxy_equality_mismatch('== operator');
+		}
+	}
+	return a == b;
+}
diff --git a/packages/svelte/src/internal/client/dom/elements/bindings/select.js b/packages/svelte/src/internal/client/dom/elements/bindings/select.js
index f794ae3820..2fcf689f60 100644
--- a/packages/svelte/src/internal/client/dom/elements/bindings/select.js
+++ b/packages/svelte/src/internal/client/dom/elements/bindings/select.js
@@ -1,7 +1,7 @@
 import { effect } from '../../../reactivity/effects.js';
 import { listen_to_event_and_reset_event } from './shared.js';
 import { untrack } from '../../../runtime.js';
-import { state_is } from '../../../equality.js';
+import { raw } from '../../../proxy.js';
 
 /**
  * Selects the correct option(s) (depending on whether this is a multiple select)
@@ -17,7 +17,7 @@ export function select_option(select, value, mounting) {
 
 	for (var option of select.options) {
 		var option_value = get_option_value(option);
-		if (state_is(option_value, value)) {
+		if (option_value === raw(value)) {
 			option.selected = true;
 			return;
 		}
diff --git a/packages/svelte/src/internal/client/dom/operations.js b/packages/svelte/src/internal/client/dom/operations.js
index 57e93cc274..b5c4d2613a 100644
--- a/packages/svelte/src/internal/client/dom/operations.js
+++ b/packages/svelte/src/internal/client/dom/operations.js
@@ -1,7 +1,7 @@
 import { hydrate_anchor, hydrate_nodes, hydrating } from './hydration.js';
 import { get_descriptor } from '../utils.js';
 import { DEV } from 'esm-env';
-import { init_array_prototype_warnings } from '../equality.js';
+import { init_array_prototype_warnings } from '../dev/equality.js';
 
 // We cache the Node and Element prototype methods, so that we can avoid doing
 // expensive prototype chain lookups.
diff --git a/packages/svelte/src/internal/client/equality.js b/packages/svelte/src/internal/client/equality.js
deleted file mode 100644
index 791cd24423..0000000000
--- a/packages/svelte/src/internal/client/equality.js
+++ /dev/null
@@ -1,118 +0,0 @@
-import { DEV } from 'esm-env';
-import { STATE_SYMBOL } from './constants';
-import * as w from './warnings.js';
-
-const object_is = Object.is;
-
-export function init_array_prototype_warnings() {
-	const array_prototype = Array.prototype;
-
-	const original_index_of = array_prototype.indexOf;
-
-	array_prototype.indexOf = function (search_element, from_index) {
-		const index = original_index_of.call(this, search_element, from_index);
-		if (
-			index === -1 &&
-			search_element != null &&
-			typeof search_element === 'object' &&
-			STATE_SYMBOL in search_element
-		) {
-			const o = search_element[STATE_SYMBOL];
-			if (o != null) {
-				if (original_index_of.call(this, o.p, from_index) !== -1) {
-					w.state_proxy_equality_mismatch('Array.indexOf');
-				}
-			}
-		}
-		return index;
-	};
-
-	const original_last_index_of = array_prototype.lastIndexOf;
-
-	array_prototype.lastIndexOf = function (search_element, from_index) {
-		const index = original_last_index_of.call(this, search_element, from_index);
-		if (
-			index === -1 &&
-			search_element != null &&
-			typeof search_element === 'object' &&
-			STATE_SYMBOL in search_element
-		) {
-			const o = search_element[STATE_SYMBOL];
-			if (o != null) {
-				if (original_last_index_of.call(this, o.p, from_index) !== -1) {
-					w.state_proxy_equality_mismatch('Array.lastIndexOf');
-				}
-			}
-		}
-		return index;
-	};
-
-	const original_includes = array_prototype.includes;
-
-	array_prototype.includes = function (search_element, from_index) {
-		const has = original_includes.call(this, search_element, from_index);
-		if (
-			has &&
-			search_element != null &&
-			typeof search_element === 'object' &&
-			STATE_SYMBOL in search_element
-		) {
-			const o = search_element[STATE_SYMBOL];
-			if (o != null) {
-				if (original_includes.call(this, o.p, from_index)) {
-					w.state_proxy_equality_mismatch('Array.includes');
-				}
-			}
-		}
-		return has;
-	};
-}
-
-/**
- * @param {any} a
- * @param {any} b
- * @returns {boolean}
- */
-export function state_is(a, b) {
-	if (a != null && typeof a === 'object' && STATE_SYMBOL in a) {
-		const o = a[STATE_SYMBOL];
-		if (o != null && object_is(o.p, b)) {
-			return true;
-		}
-	}
-	if (b != null && typeof b === 'object' && STATE_SYMBOL in b) {
-		const o = b[STATE_SYMBOL];
-		if (o != null) {
-			return object_is(o.p, a);
-		}
-	}
-	return object_is(a, b);
-}
-
-/**
- * @param {any} a
- * @param {any} b
- * @returns {boolean}
- */
-export function strict_equals(a, b) {
-	if (DEV) {
-		if (state_is(a, b)) {
-			w.state_proxy_equality_mismatch('=== operator');
-		}
-	}
-	return a === b;
-}
-
-/**
- * @param {any} a
- * @param {any} b
- * @returns {boolean}
- */
-export function equals(a, b) {
-	if (DEV) {
-		if (state_is(a, b)) {
-			w.state_proxy_equality_mismatch('== operator');
-		}
-	}
-	return a == b;
-}
diff --git a/packages/svelte/src/internal/client/index.js b/packages/svelte/src/internal/client/index.js
index 90eb53742c..e1294b89ae 100644
--- a/packages/svelte/src/internal/client/index.js
+++ b/packages/svelte/src/internal/client/index.js
@@ -161,4 +161,4 @@ export {
 	validate_store,
 	validate_void_dynamic_element
 } from '../shared/validate.js';
-export { strict_equals, equals } from './equality.js';
+export { strict_equals, equals } from './dev/equality.js';
diff --git a/packages/svelte/src/internal/client/proxy.js b/packages/svelte/src/internal/client/proxy.js
index e845da3ba2..d52609a8c5 100644
--- a/packages/svelte/src/internal/client/proxy.js
+++ b/packages/svelte/src/internal/client/proxy.js
@@ -18,7 +18,7 @@ import {
 } from './utils.js';
 import { check_ownership, widen_ownership } from './dev/ownership.js';
 import { mutable_source, source, set } from './reactivity/sources.js';
-import { STATE_SYMBOL } from './constants.js';
+import { RAW_SYMBOL, STATE_SYMBOL } from './constants.js';
 import { UNINITIALIZED } from '../../constants.js';
 import * as e from './errors.js';
 
@@ -199,6 +199,9 @@ const state_proxy_handler = {
 		if (prop === STATE_SYMBOL) {
 			return Reflect.get(target, STATE_SYMBOL);
 		}
+		if (prop === RAW_SYMBOL) {
+			return target;
+		}
 
 		/** @type {import('#client').ProxyMetadata} */
 		const metadata = target[STATE_SYMBOL];
@@ -337,3 +340,16 @@ if (DEV) {
 		e.state_prototype_fixed();
 	};
 }
+
+/**
+ * @param {any} x
+ */
+export function raw(x) {
+	if (x !== null && typeof x === 'object' && STATE_SYMBOL in x) {
+		var raw_value = x[RAW_SYMBOL];
+		if (raw_value !== undefined) {
+			return raw_value;
+		}
+	}
+	return x;
+}