diff --git a/.gitattributes b/.gitattributes
index 834cdcf..ae77c43 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1,6 @@
 Tests export-ignore
 .gitlab-ci.yml export-ignore
+shell.nix export-ignore
 
 .gitattributes export-ignore
 .gitignore export-ignore
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 9a8f46c..3528f2a 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -20,6 +20,7 @@ jobs:
           - 7.4
           - 8.0
           - 8.1
+          - 8.2
     steps:
       - name: Checkout
         uses: actions/checkout@v3
@@ -71,7 +72,7 @@ jobs:
       - name: Install PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: "8.1"
+          php-version: "8.2"
           tools: composer:v2
 
       - name: Install dependencies
@@ -99,6 +100,8 @@ jobs:
             typo3-version: '^11.5'
           - php-version: '8.1'
             typo3-version: '^11.5'
+          - php-version: '8.2'
+            typo3-version: '^11.5'
     steps:
       - uses: actions/checkout@v3
 
@@ -134,6 +137,8 @@ jobs:
             typo3-version: '^11.5'
           - php-version: '8.1'
             typo3-version: '^11.5'
+          - php-version: '8.2'
+            typo3-version: '^11.5'
     steps:
       - uses: actions/checkout@v3
 
diff --git a/Documentation/Changelog/3.3.0.rst b/Documentation/Changelog/3.3.0.rst
new file mode 100644
index 0000000..5d12a71
--- /dev/null
+++ b/Documentation/Changelog/3.3.0.rst
@@ -0,0 +1,27 @@
+3.3.0
+=====
+
+Breaking
+--------
+
+Nothing
+
+Features
+--------
+
+* Add PHP 8.2 support.
+
+Fixes
+-----
+
+Nothing
+
+Tasks
+-----
+
+Nothing
+
+Deprecation
+-----------
+
+Nothing
diff --git a/composer.json b/composer.json
index c217aeb..07ae1ae 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-        "php": "~7.2.0 || ~7.3.0 || ~7.4.0 || ~8.0.0 || ~8.1.0",
+        "php": "~7.2.0 || ~7.3.0 || ~7.4.0 || ~8.0.0 || ~8.1.0 || ~8.2.0",
         "typo3/cms-core": "^10.4 || ^11.5",
         "typo3/cms-extbase": "^10.4 || ^11.5",
         "typo3/cms-fluid": "^10.4 || ^11.5",
diff --git a/ext_emconf.php b/ext_emconf.php
index 497a880..98c873b 100644
--- a/ext_emconf.php
+++ b/ext_emconf.php
@@ -9,7 +9,7 @@ $EM_CONF['events'] = [
     'state' => 'alpha',
     'createDirs' => '',
     'clearCacheOnLoad' => 0,
-    'version' => '3.2.2',
+    'version' => '3.3.0',
     'constraints' => [
         'depends' => [
             'typo3' => '10.4.00-11.5.99',
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..799dc22
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,71 @@
+{ pkgs ? import <nixpkgs> { } }:
+
+let
+  php = pkgs.php82;
+  inherit(pkgs.php82Packages) composer;
+
+  projectInstall = pkgs.writeShellApplication {
+    name = "project-install";
+    runtimeInputs = [
+      php
+      composer
+    ];
+    text = ''
+      rm -rf vendor/ composer.lock .Build/
+      composer install --prefer-dist --no-progress --working-dir="$PROJECT_ROOT"
+    '';
+  };
+  projectValidateComposer = pkgs.writeShellApplication {
+    name = "project-validate-composer";
+    runtimeInputs = [
+      php
+      composer
+    ];
+    text = ''
+      composer validate
+    '';
+  };
+  projectValidateXml = pkgs.writeShellApplication {
+    name = "project-validate-xml";
+    runtimeInputs = [
+      pkgs.libxml2
+      pkgs.wget
+      projectInstall
+    ];
+    text = ''
+      project-install
+      xmllint --schema vendor/phpunit/phpunit/phpunit.xsd --noout phpunit.xml.dist
+      wget --no-check-certificate https://docs.oasis-open.org/xliff/v1.2/os/xliff-core-1.2-strict.xsd --output-document=xliff-core-1.2-strict.xsd
+      # shellcheck disable=SC2046
+      xmllint --schema xliff-core-1.2-strict.xsd --noout $(find Resources -name '*.xlf')
+    '';
+  };
+  projectCodingGuideline = pkgs.writeShellApplication {
+    name = "project-coding-guideline";
+    runtimeInputs = [
+      php
+      projectInstall
+    ];
+    text = ''
+      project-install
+      ./vendor/bin/ecs check --no-progress-bar --clear-cache
+    '';
+  };
+
+in pkgs.mkShell {
+  name = "TYPO3 Extension Watchlist";
+  buildInputs = [
+    projectInstall
+    projectValidateComposer
+    projectValidateXml
+    projectCodingGuideline
+    php
+    composer
+  ];
+
+  shellHook = ''
+    export PROJECT_ROOT="$(pwd)"
+
+    export typo3DatabaseDriver=pdo_sqlite
+  '';
+}