Prepare release for tsurlfilter 4.0.1 and tswebextension 4.0.1

Squashed commit of the following:

commit 4f3ece7
Author: scripthunter7 <d.tota@adguard.com>
Date:   Tue Feb 17 06:57:46 2026 +0100

    Update date

commit 0310ce3
Author: scripthunter7 <d.tota@adguard.com>
Date:   Mon Feb 16 17:13:23 2026 +0100

    Release v4.0.1 with tsurlfilter fixes for async engine creation and cosmetic rule parsing

Author: scripthunter7

packages/tsurlfilter/CHANGELOG.md

@@ -5,14 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## Unreleased
+## [4.0.1] - 2026-02-17
 
 ### Fixed
 
 - `Engine.createAsync` using `setTimeout` (macrotask) instead of `Promise.resolve()` (microtask) for yielding to the UI thread between rule-loading chunks.
 - Parsing cosmetic rules with `$path` modifier.
 
-## [4.0.0] - TBD
+## [4.0.0] - 2026-01-26
 
 ### Added
 

packages/tsurlfilter/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@adguard/tsurlfilter",
-    "version": "4.0.0",
+    "version": "4.0.1",
     "description": "This is a TypeScript library that implements AdGuard's content blocking rules",
     "main": "dist/es/index.js",
     "module": "dist/es/index.js",

packages/tswebextension/CHANGELOG.md

@@ -5,7 +5,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [4.0.0] - TBD
+## [4.0.1] - 2026-02-17
+
+### Changed
+
+- Updated [@adguard/tsurlfilter] to `v4.0.1`.
+
+## [4.0.0] - 2026-01-26
 
 ### Added
 

packages/tswebextension/package.json

@@ -1,6 +1,6 @@
 {
     "name": "@adguard/tswebextension",
-    "version": "4.0.0",
+    "version": "4.0.1",
     "description": "This is a TypeScript library that implements AdGuard's extension API",
     "type": "module",
     "main": "dist/index.js",