address feedback

packages/svelte/src/internal/client/render.js

@@ -167,8 +167,7 @@ export function hydrate(component, options) {
 			return instance;
 		}, false);
 	} catch (error) {
-		const skip_retry = DEV && '__skip_hydration_retry' in /** @type {Error} */ (error);
-		if (!hydrated && options.recover !== false && !skip_retry) {
+		if (!hydrated && options.recover !== false && /** @type {Error} */ (error).message.includes('hydration_missing_marker_close')) {
 			w.hydration_mismatch();
 
 			// If an error occured above, the operations might not yet have been initialised.

packages/svelte/src/internal/client/runtime.js

@@ -258,12 +258,6 @@ function handle_error(error, effect, component_context) {
 	const effect_name = effect.fn.name;
 
 	if (effect_name) {
-		// If we have an effect name, it means it happened in the template, $effect or $effect.pre.
-		Object.defineProperty(error, '__skip_hydration_retry', {
-			value: true,
-			enumerable: false
-		});
-
 		component_stack.push(effect_name);
 	}