TanStack · sukvvon · Oct 3, 2026 · Oct 3, 2026 · Oct 3, 2026 · Oct 3, 2026
diff --git a/docs/framework/angular/reference/classes/CancelledError.md b/docs/framework/angular/reference/classes/CancelledError.md
@@ -59,7 +59,7 @@ Error.constructor
 ### cause?
 
 ```ts
-optional cause: unknown;
+optional cause?: unknown;
 ```
 
 Defined in: node\_modules/.pnpm/typescript@6.0.3/node\_modules/typescript/lib/lib.es2022.error.d.ts:24
@@ -107,7 +107,7 @@ Error.name
 ### revert?
 
 ```ts
-optional revert: boolean;
+optional revert?: boolean;
 ```
 
 Defined in: [packages/query-core/src/retryer.ts:96](https://github.com/TanStack/query/blob/main/packages/query-core/src/retryer.ts#L96)
@@ -117,7 +117,7 @@ Defined in: [packages/query-core/src/retryer.ts:96](https://github.com/TanStack/
 ### silent?
 
 ```ts
-optional silent: boolean;
+optional silent?: boolean;
 ```
 
 Defined in: [packages/query-core/src/retryer.ts:97](https://github.com/TanStack/query/blob/main/packages/query-core/src/retryer.ts#L97)
@@ -127,7 +127,7 @@ Defined in: [packages/query-core/src/retryer.ts:97](https://github.com/TanStack/
 ### stack?
 
 ```ts
-optional stack: string;
+optional stack?: string;
 ```
 
 Defined in: node\_modules/.pnpm/typescript@6.0.3/node\_modules/typescript/lib/lib.es5.d.ts:1076

diff --git a/docs/framework/angular/reference/classes/InfiniteQueryObserver.md b/docs/framework/angular/reference/classes/InfiniteQueryObserver.md
@@ -126,7 +126,7 @@ Defined in: [packages/query-core/src/queryObserver.ts:88](https://github.com/Tan
 
 ***
 
-### subscribe()
+### subscribe
 
 ```ts
 subscribe: (listener: InfiniteQueryObserverListener) => () => void;
@@ -150,13 +150,7 @@ Called on each update, with whatever the subclass passes to its subscribers.
 
 A function that removes the listener.
 
-```ts
-(): void;
-```
-
-##### Returns
-
-`void`
+() => `void`
 
 #### Example
 
@@ -414,7 +408,7 @@ Returns `true` while at least one listener is registered, `false` once they have
 ### refetch()
 
 ```ts
-refetch(options: RefetchOptions): Promise<QueryObserverResult<TData, TError>>;
+refetch(options?: RefetchOptions): Promise<QueryObserverResult<TData, TError>>;
 ```
 
 Defined in: [packages/query-core/src/queryObserver.ts:387](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryObserver.ts#L387)
@@ -424,7 +418,7 @@ the resulting `QueryObserverResult`.
 
 #### Parameters
 
-##### options
+##### options?
 
 [`RefetchOptions`](../interfaces/RefetchOptions.md) = `{}`
 
@@ -571,9 +565,33 @@ access themselves (e.g. through their own reactivity system) instead of via the
 
 ##### key
 
-The name of the property that was read.
+  \| `"error"`
+  \| `"data"`
+  \| `"isError"`
+  \| `"isPending"`
+  \| `"isLoading"`
+  \| `"isLoadingError"`
+  \| `"isRefetchError"`
+  \| `"isSuccess"`
+  \| `"isPlaceholderData"`
+  \| `"status"`
+  \| `"dataUpdatedAt"`
+  \| `"errorUpdatedAt"`
+  \| `"failureCount"`
+  \| `"failureReason"`
+  \| `"errorUpdateCount"`
+  \| `"isFetched"`
+  \| `"isFetchedAfterMount"`
+  \| `"isFetching"`
+  \| `"isInitialLoading"`
+  \| `"isPaused"`
+  \| `"isRefetching"`
+  \| `"isStale"`
+  \| `"isEnabled"`
+  \| `"refetch"`
+  \| `"fetchStatus"`
 
-`"error"` | `"data"` | `"isError"` | `"isPending"` | `"isLoading"` | `"isLoadingError"` | `"isRefetchError"` | `"isSuccess"` | `"isPlaceholderData"` | `"status"` | `"dataUpdatedAt"` | `"errorUpdatedAt"` | `"failureCount"` | `"failureReason"` | `"errorUpdateCount"` | `"isFetched"` | `"isFetchedAfterMount"` | `"isFetching"` | `"isInitialLoading"` | `"isPaused"` | `"isRefetching"` | `"isStale"` | `"isEnabled"` | `"refetch"` | `"fetchStatus"`
+The name of the property that was read.
 
 #### Returns
 

diff --git a/docs/framework/angular/reference/classes/MutationCache.md b/docs/framework/angular/reference/classes/MutationCache.md
@@ -28,14 +28,14 @@ const unsubscribe = mutationCache.subscribe((event) => {
 ### Constructor
 
 ```ts
-new MutationCache(config: MutationCacheConfig): MutationCache;
+new MutationCache(config?: MutationCacheConfig): MutationCache;
 ```
 
 Defined in: [packages/query-core/src/mutationCache.ts:128](https://github.com/TanStack/query/blob/main/packages/query-core/src/mutationCache.ts#L128)
 
 #### Parameters
 
-##### config
+##### config?
 
 [`MutationCacheConfig`](../interfaces/MutationCacheConfig.md) = `{}`
 
@@ -151,7 +151,7 @@ const mutation = mutationCache.find({ mutationKey: ['addPost'] })
 ### findAll()
 
 ```ts
-findAll(filters: MutationFilters): Mutation<unknown, Error, unknown, unknown>[];
+findAll(filters?: MutationFilters): Mutation<unknown, Error, unknown, unknown>[];
 ```
 
 Defined in: [packages/query-core/src/mutationCache.ts:336](https://github.com/TanStack/query/blob/main/packages/query-core/src/mutationCache.ts#L336)
@@ -164,7 +164,7 @@ information about mutations in rare scenarios.
 
 #### Parameters
 
-##### filters
+##### filters?
 
 [`MutationFilters`](../interfaces/MutationFilters.md) = `{}`
 
@@ -267,13 +267,7 @@ Called on each update, with whatever the subclass passes to its subscribers.
 
 A function that removes the listener.
 
-```ts
-(): void;
-```
-
-##### Returns
-
-`void`
+() => `void`
 
 #### Example
 

diff --git a/docs/framework/angular/reference/classes/MutationObserver.md b/docs/framework/angular/reference/classes/MutationObserver.md
@@ -272,13 +272,7 @@ Called on each update, with whatever the subclass passes to its subscribers.
 
 A function that removes the listener.
 
-```ts
-(): void;
-```
-
-##### Returns
-
-`void`
+() => `void`
 
 #### Example
 

diff --git a/docs/framework/angular/reference/classes/QueriesObserver.md b/docs/framework/angular/reference/classes/QueriesObserver.md
@@ -161,9 +161,9 @@ The defaulted options of the queries to compute the result for.
 
 ##### combine
 
-The `combine` function used by the returned `combineResult`, if any.
+`CombineFn`\<`TCombinedResult`\> \| `undefined`
 
-`CombineFn`\<`TCombinedResult`\> | `undefined`
+The `combine` function used by the returned `combineResult`, if any.
 
 #### Returns
 
@@ -283,13 +283,7 @@ Called on each update, with whatever the subclass passes to its subscribers.
 
 A function that removes the listener.
 
-```ts
-(): void;
-```
-
-##### Returns
-
-`void`
+() => `void`
 
 #### Example
 

diff --git a/docs/framework/angular/reference/classes/Query.md b/docs/framework/angular/reference/classes/Query.md
@@ -436,7 +436,7 @@ if (query.isStale()) {
 ### isStaleByTime()
 
 ```ts
-isStaleByTime(staleTime: number | "static"): boolean;
+isStaleByTime(staleTime?: number | "static"): boolean;
 ```
 
 Defined in: [packages/query-core/src/query.ts:523](https://github.com/TanStack/query/blob/main/packages/query-core/src/query.ts#L523)
@@ -450,13 +450,13 @@ Returns `true` if the query's data is stale relative to the given
 
 #### Parameters
 
-##### staleTime
+##### staleTime?
+
+`number` \| `"static"`
 
 The time, in milliseconds, after which data is considered stale, or
 `'static'` to never treat existing data as stale. A query without data is stale either way.
 
-`number` | `"static"`
-
 #### Returns
 
 `boolean`

diff --git a/docs/framework/angular/reference/classes/QueryCache.md b/docs/framework/angular/reference/classes/QueryCache.md
@@ -31,14 +31,14 @@ const unsubscribe = queryCache.subscribe((event) => {
 ### Constructor
 
 ```ts
-new QueryCache(config: QueryCacheConfig): QueryCache;
+new QueryCache(config?: QueryCacheConfig): QueryCache;
 ```
 
 Defined in: [packages/query-core/src/queryCache.ts:128](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryCache.ts#L128)
 
 #### Parameters
 
-##### config
+##### config?
 
 [`QueryCacheConfig`](../interfaces/QueryCacheConfig.md) = `{}`
 
@@ -229,7 +229,7 @@ const query = queryCache.find({ queryKey: ['posts'] })
 ### findAll()
 
 ```ts
-findAll(filters: QueryFilters<any>): Query<unknown, Error, unknown, readonly unknown[]>[];
+findAll(filters?: QueryFilters<any>): Query<unknown, Error, unknown, readonly unknown[]>[];
 ```
 
 Defined in: [packages/query-core/src/queryCache.ts:334](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryCache.ts#L334)
@@ -242,7 +242,7 @@ information about queries in rare scenarios.
 
 #### Parameters
 
-##### filters
+##### filters?
 
 [`QueryFilters`](../interfaces/QueryFilters.md)\<`any`\> = `{}`
 
@@ -439,13 +439,7 @@ Called on each update, with whatever the subclass passes to its subscribers.
 
 A function that removes the listener.
 
-```ts
-(): void;
-```
-
-##### Returns
-
-`void`
+() => `void`
 
 #### Example
 

diff --git a/docs/framework/angular/reference/classes/QueryClient.md b/docs/framework/angular/reference/classes/QueryClient.md
@@ -28,14 +28,14 @@ await queryClient.query({ queryKey: ['posts'], queryFn: fetchPosts })
 ### Constructor
 
 ```ts
-new QueryClient(config: QueryClientConfig): QueryClient;
+new QueryClient(config?: QueryClientConfig): QueryClient;
 ```
 
 Defined in: [packages/query-core/src/queryClient.ts:88](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryClient.ts#L88)
 
 #### Parameters
 
-##### config
+##### config?
 
 [`QueryClientConfig`](../interfaces/QueryClientConfig.md) = `{}`
 
@@ -201,9 +201,10 @@ top. A no-op if the options are already defaulted (`_defaulted: true`).
 
 ##### options
 
-The query options passed by the caller.
+  \| [`QueryObserverOptions`](../interfaces/QueryObserverOptions.md)\<`TQueryFnData`, `TError`, `TData`, `TQueryData`, `TQueryKey`, `TPageParam`\>
+  \| [`DefaultedQueryObserverOptions`](../type-aliases/DefaultedQueryObserverOptions.md)\<`TQueryFnData`, `TError`, `TData`, `TQueryData`, `TQueryKey`\>
 
-[`QueryObserverOptions`](../interfaces/QueryObserverOptions.md)\<`TQueryFnData`, `TError`, `TData`, `TQueryData`, `TQueryKey`, `TPageParam`\> | [`DefaultedQueryObserverOptions`](../type-aliases/DefaultedQueryObserverOptions.md)\<`TQueryFnData`, `TError`, `TData`, `TQueryData`, `TQueryKey`\>
+The query options passed by the caller.
 
 #### Returns
 

diff --git a/docs/framework/angular/reference/classes/QueryObserver.md b/docs/framework/angular/reference/classes/QueryObserver.md
@@ -257,7 +257,7 @@ Subscribable.hasListeners
 ### refetch()
 
 ```ts
-refetch(options: RefetchOptions): Promise<QueryObserverResult<TData, TError>>;
+refetch(options?: RefetchOptions): Promise<QueryObserverResult<TData, TError>>;
 ```
 
 Defined in: [packages/query-core/src/queryObserver.ts:387](https://github.com/TanStack/query/blob/main/packages/query-core/src/queryObserver.ts#L387)
@@ -267,7 +267,7 @@ the resulting `QueryObserverResult`.
 
 #### Parameters
 
-##### options
+##### options?
 
 [`RefetchOptions`](../interfaces/RefetchOptions.md) = `{}`
 
@@ -393,13 +393,7 @@ Called on each update, with whatever the subclass passes to its subscribers.
 
 A function that removes the listener.
 
-```ts
-(): void;
-```
-
-##### Returns
-
-`void`
+() => `void`
 
 #### Example
 
@@ -461,9 +455,33 @@ access themselves (e.g. through their own reactivity system) instead of via the
 
 ##### key
 
-The name of the property that was read.
+  \| `"error"`
+  \| `"data"`
+  \| `"isError"`
+  \| `"isPending"`
+  \| `"isLoading"`
+  \| `"isLoadingError"`
+  \| `"isRefetchError"`
+  \| `"isSuccess"`
+  \| `"isPlaceholderData"`
+  \| `"status"`
+  \| `"dataUpdatedAt"`
+  \| `"errorUpdatedAt"`
+  \| `"failureCount"`
+  \| `"failureReason"`
+  \| `"errorUpdateCount"`
+  \| `"isFetched"`
+  \| `"isFetchedAfterMount"`
+  \| `"isFetching"`
+  \| `"isInitialLoading"`
+  \| `"isPaused"`
+  \| `"isRefetching"`
+  \| `"isStale"`
+  \| `"isEnabled"`
+  \| `"refetch"`
+  \| `"fetchStatus"`
 
-`"error"` | `"data"` | `"isError"` | `"isPending"` | `"isLoading"` | `"isLoadingError"` | `"isRefetchError"` | `"isSuccess"` | `"isPlaceholderData"` | `"status"` | `"dataUpdatedAt"` | `"errorUpdatedAt"` | `"failureCount"` | `"failureReason"` | `"errorUpdateCount"` | `"isFetched"` | `"isFetchedAfterMount"` | `"isFetching"` | `"isInitialLoading"` | `"isPaused"` | `"isRefetching"` | `"isStale"` | `"isEnabled"` | `"refetch"` | `"fetchStatus"`
+The name of the property that was read.
 
 #### Returns
 

diff --git a/docs/framework/angular/reference/functions/dehydrate.md b/docs/framework/angular/reference/functions/dehydrate.md
@@ -4,7 +4,7 @@ title: dehydrate
 ---
 
 ```ts
-function dehydrate(client: QueryClient, options: DehydrateOptions): DehydratedState;
+function dehydrate(client: QueryClient, options?: DehydrateOptions): DehydratedState;
 ```
 
 Defined in: [packages/query-core/src/hydration.ts:239](https://github.com/TanStack/query/blob/main/packages/query-core/src/hydration.ts#L239)
@@ -23,7 +23,7 @@ falling back to the client's `dehydrate` default options, and finally to `defaul
 
 The client whose cache is dehydrated.
 
-### options
+### options?
 
 [`DehydrateOptions`](../interfaces/DehydrateOptions.md) = `{}`