chore(main): release 3.42.1

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## 3.42.1 (2026-05-18)
+
+### Fixed
+
+* Null body for non-downstream requests with no stream created for them ([#1479](https://github.com/fastly/js-compute-runtime/issues/1479)) ([511c667](https://github.com/fastly/js-compute-runtime/commit/511c6672e18b8872f707a3942a5d53c651e03797))
+
 ## 3.42.0 (2026-05-11)
 
 ### Added

documentation/versioned_docs/version-3.42.1/acl/Acl/open.mdx

@@ -0,0 +1,20 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# Acl.open()
+
+Opens the ACL with the given name, returning a new `Acl` instance with the given name on success.
+
+## Syntax
+
+```js
+Acl.open(name)
+```
+
+### Return value
+
+An `Acl` instance.

documentation/versioned_docs/version-3.42.1/acl/Acl/prototype/lookup.mdx

@@ -0,0 +1,38 @@
+---
+hide_title: false
+hide_table_of_contents: false
+pagination_next: null
+pagination_prev: null
+---
+
+# Acl.prototype.lookup()
+
+The **`lookup(ipAddress)`** method returns the name associated with the `Acl` instance.
+
+## Syntax
+
+```js
+acl.lookup(ipAddress)
+```
+
+### Parameters
+
+- `ipAddress` _: string_
+  - IPv4 or IPv6 address to lookup
+
+### Return value
+
+An Object of the form `{ action: 'ALLOW' | 'BlOCK', prefix: string }`, where `prefix` is the IP
+address prefix that was matched in the ACL.
+
+## Example
+
+```js
+/// <reference types="@fastly/js-compute" />
+import { Acl } from 'fastly:acl';
+addEventListener('fetch', async (evt) => {
+  const myAcl = Acl.open('myacl');
+  const match = await myAcl.lookup(evt.client.address);
+  evt.respondWith(new Response(match?.action === 'BLOCK' ? 'blocked' : 'allowed'));
+});
+```