Install EXT:adminpanel

composer.json

@@ -63,6 +63,7 @@
     "t3o/t3olayout": "^5.0",
     "t3o/t3org_layout": "@dev",
     "t3o/typo3_roadmap": "^4.0",
+    "typo3/cms-adminpanel": "^10.4",
     "typo3/cms-dashboard": "^10.4",
     "typo3/cms-linkvalidator": "^10.4",
     "typo3/cms-redirects": "^10.4",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "0a97ed83f7e3b7bbbc74dd687b74fd75",
+    "content-hash": "9b06b46e691e921122e91b813195b722",
     "packages": [
         {
             "name": "adoy/fastcgi-client",
@@ -5950,6 +5950,91 @@
             ],
             "time": "2020-10-24T12:08:07+00:00"
         },
+        {
+            "name": "symfony/var-dumper",
+            "version": "v5.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/var-dumper.git",
+                "reference": "173a79c462b1c81e1fa26129f71e41333d846b26"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/173a79c462b1c81e1fa26129f71e41333d846b26",
+                "reference": "173a79c462b1c81e1fa26129f71e41333d846b26",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "symfony/polyfill-mbstring": "~1.0",
+                "symfony/polyfill-php80": "^1.15"
+            },
+            "conflict": {
+                "phpunit/phpunit": "<5.4.3",
+                "symfony/console": "<4.4"
+            },
+            "require-dev": {
+                "ext-iconv": "*",
+                "symfony/console": "^4.4|^5.0",
+                "symfony/process": "^4.4|^5.0",
+                "twig/twig": "^2.4|^3.0"
+            },
+            "suggest": {
+                "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
+                "ext-intl": "To show region name in time zone dump",
+                "symfony/console": "To use the ServerDumpCommand and/or the bin/var-dump-server script"
+            },
+            "bin": [
+                "Resources/bin/var-dump-server"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "Resources/functions/dump.php"
+                ],
+                "psr-4": {
+                    "Symfony\\Component\\VarDumper\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony mechanism for exploring and dumping PHP variables",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "debug",
+                "dump"
+            ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-11-27T00:39:34+00:00"
+        },
         {
             "name": "symfony/var-exporter",
             "version": "v5.2.0",
@@ -6509,6 +6594,66 @@
             ],
             "time": "2020-05-24T13:03:22+00:00"
         },
+        {
+            "name": "typo3/cms-adminpanel",
+            "version": "v10.4.10",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/TYPO3-CMS/adminpanel.git",
+                "reference": "2f9896f4996e3a769bfa4e7103006edca4a1cb7c"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/TYPO3-CMS/adminpanel/zipball/2f9896f4996e3a769bfa4e7103006edca4a1cb7c",
+                "reference": "2f9896f4996e3a769bfa4e7103006edca4a1cb7c",
+                "shasum": ""
+            },
+            "require": {
+                "psr/http-message": "^1.0",
+                "psr/http-server-handler": "^1.0",
+                "psr/http-server-middleware": "^1.0",
+                "symfony/var-dumper": "^4.4 || ^5.0",
+                "typo3/cms-backend": "10.4.10",
+                "typo3/cms-core": "10.4.10",
+                "typo3/cms-fluid": "10.4.10",
+                "typo3/cms-frontend": "10.4.10",
+                "typo3fluid/fluid": "^2.6.10 || ^3"
+            },
+            "conflict": {
+                "typo3/cms": "*"
+            },
+            "type": "typo3-cms-framework",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "10.4.x-dev"
+                },
+                "typo3/cms": {
+                    "Package": {
+                        "partOfFactoryDefault": true
+                    },
+                    "extension-key": "adminpanel"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "TYPO3\\CMS\\Adminpanel\\": "Classes/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "GPL-2.0-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "TYPO3 Core Team",
+                    "email": "typo3cms@typo3.org",
+                    "role": "Developer"
+                }
+            ],
+            "description": "The TYPO3 admin panel provides a panel with additional functionality in the frontend (Debugging, Caching, Preview...)",
+            "homepage": "https://typo3.org",
+            "time": "2020-11-17T10:03:11+00:00"
+        },
         {
             "name": "typo3/cms-backend",
             "version": "v10.4.10",