Fix ConcurrentModificationError by converting manual invalidation listeners to a list

TekExplorer · TekExplorer · commit 68a88f9c6c5e · 2026-02-18T10:36:13.000-05:00
diff --git a/packages/riverpod/lib/src/core/ref.dart b/packages/riverpod/lib/src/core/ref.dart
@@ -783,7 +783,8 @@ void _runCallbacks(
 }
 
 void _runManualInvalidationCallbacks(ProviderContainer container, Ref? ref) {
-  final callbacks = ref?._onManualInvalidationListeners;
+  // toList() protects against ConcurrentModificationError
+  final callbacks = ref?._onManualInvalidationListeners?.toList();
   if (ref == null || callbacks == null) return;
 
   for (final cb in callbacks) {

Original file line number	Diff line number	Diff line change
`@@ -783,7 +783,8 @@ void _runCallbacks(`
`783`	`783`	`}`
`784`	`784`
`785`	`785`	`void _runManualInvalidationCallbacks(ProviderContainer container, Ref? ref) {`
`786`		`- final callbacks = ref?._onManualInvalidationListeners;`
	`786`	`+ // toList() protects against ConcurrentModificationError`
	`787`	`+ final callbacks = ref?._onManualInvalidationListeners?.toList();`
`787`	`788`	`if (ref == null \|\| callbacks == null) return;`
`788`	`789`
`789`	`790`	`for (final cb in callbacks) {`