diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 2fa7673..9ce38a2 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -20,7 +20,7 @@ jobs:
     name: "Generate CI matrix"
     uses: "glpi-project/plugin-ci-workflows/.github/workflows/generate-ci-matrix.yml@v1"
     with:
-      glpi-version: "11.0.x"
+      glpi-version: "12.0.x"
   ci:
     name: "GLPI ${{ matrix.glpi-version }} - php:${{ matrix.php-version }} - ${{ matrix.db-image }}"
     needs: "generate-ci-matrix"
diff --git a/.phpunit.result.cache b/.phpunit.result.cache
new file mode 100644
index 0000000..fa2da8d
--- /dev/null
+++ b/.phpunit.result.cache
@@ -0,0 +1 @@
+{"version":2,"defects":[],"times":{"GlpiPlugin\\News\\Tests\\Units\\PluginNewsAlertTest::testPostUpdateItemResetsHiddenAlerts":0.779,"GlpiPlugin\\News\\Tests\\Units\\PluginNewsAlertTest::testPostUpdateItemDoesNotAffectOtherAlerts":0.278}}
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 458ce87..3ebd336 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [UNRELEASED]
+
+### Added
+
+- GLPI 12 compatibility
+
 ## Unreleased ##
 
 ### Fixed
diff --git a/composer.json b/composer.json
index 945d30f..fa02992 100644
--- a/composer.json
+++ b/composer.json
@@ -2,9 +2,6 @@
     "require": {
         "php": ">=8.2"
     },
-    "require-dev": {
-        "glpi-project/tools": "^0.8.3"
-    },
     "config": {
         "optimize-autoloader": true,
         "platform": {
diff --git a/composer.lock b/composer.lock
index 9bbf694..e798ec8 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,876 +4,9 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "3b0805ca810a8f2c1092a852c12f1234",
+    "content-hash": "4cacb822b12bf0d2a0dbcf952b20ef7b",
     "packages": [],
-    "packages-dev": [
-        {
-            "name": "glpi-project/tools",
-            "version": "0.8.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/glpi-project/tools.git",
-                "reference": "8ea2a7d4702a858f4b0360ba7d4f1841a5e77026"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/glpi-project/tools/zipball/8ea2a7d4702a858f4b0360ba7d4f1841a5e77026",
-                "reference": "8ea2a7d4702a858f4b0360ba7d4f1841a5e77026",
-                "shasum": ""
-            },
-            "require": {
-                "symfony/console": "^5.4 || ^6.0",
-                "twig/twig": "^3.3"
-            },
-            "require-dev": {
-                "nikic/php-parser": "^4.13",
-                "phpstan/phpstan-src": "^1.10"
-            },
-            "bin": [
-                "bin/extract-locales",
-                "bin/licence-headers-check",
-                "tools/plugin-release"
-            ],
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "GlpiProject\\Tools\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "GPL-3.0-or-later"
-            ],
-            "authors": [
-                {
-                    "name": "Teclib'",
-                    "email": "glpi@teclib.com",
-                    "homepage": "http://teclib-group.com"
-                }
-            ],
-            "description": "Various tools for GLPI and its plugins",
-            "keywords": [
-                "glpi",
-                "plugins",
-                "tools"
-            ],
-            "support": {
-                "issues": "https://github.com/glpi-project/tools/issues",
-                "source": "https://github.com/glpi-project/tools"
-            },
-            "time": "2025-10-14T10:26:06+00:00"
-        },
-        {
-            "name": "psr/container",
-            "version": "2.0.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/container.git",
-                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/container/zipball/c71ecc56dfe541dbd90c5360474fbc405f8d5963",
-                "reference": "c71ecc56dfe541dbd90c5360474fbc405f8d5963",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.4.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "2.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Container\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "https://www.php-fig.org/"
-                }
-            ],
-            "description": "Common Container Interface (PHP FIG PSR-11)",
-            "homepage": "https://github.com/php-fig/container",
-            "keywords": [
-                "PSR-11",
-                "container",
-                "container-interface",
-                "container-interop",
-                "psr"
-            ],
-            "support": {
-                "issues": "https://github.com/php-fig/container/issues",
-                "source": "https://github.com/php-fig/container/tree/2.0.2"
-            },
-            "time": "2021-11-05T16:47:00+00:00"
-        },
-        {
-            "name": "symfony/console",
-            "version": "v6.4.27",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/console.git",
-                "reference": "13d3176cf8ad8ced24202844e9f95af11e2959fc"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/13d3176cf8ad8ced24202844e9f95af11e2959fc",
-                "reference": "13d3176cf8ad8ced24202844e9f95af11e2959fc",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=8.1",
-                "symfony/deprecation-contracts": "^2.5|^3",
-                "symfony/polyfill-mbstring": "~1.0",
-                "symfony/service-contracts": "^2.5|^3",
-                "symfony/string": "^5.4|^6.0|^7.0"
-            },
-            "conflict": {
-                "symfony/dependency-injection": "<5.4",
-                "symfony/dotenv": "<5.4",
-                "symfony/event-dispatcher": "<5.4",
-                "symfony/lock": "<5.4",
-                "symfony/process": "<5.4"
-            },
-            "provide": {
-                "psr/log-implementation": "1.0|2.0|3.0"
-            },
-            "require-dev": {
-                "psr/log": "^1|^2|^3",
-                "symfony/config": "^5.4|^6.0|^7.0",
-                "symfony/dependency-injection": "^5.4|^6.0|^7.0",
-                "symfony/event-dispatcher": "^5.4|^6.0|^7.0",
-                "symfony/http-foundation": "^6.4|^7.0",
-                "symfony/http-kernel": "^6.4|^7.0",
-                "symfony/lock": "^5.4|^6.0|^7.0",
-                "symfony/messenger": "^5.4|^6.0|^7.0",
-                "symfony/process": "^5.4|^6.0|^7.0",
-                "symfony/stopwatch": "^5.4|^6.0|^7.0",
-                "symfony/var-dumper": "^5.4|^6.0|^7.0"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Component\\Console\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Tests/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Eases the creation of beautiful and testable command line interfaces",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "cli",
-                "command-line",
-                "console",
-                "terminal"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/console/tree/v6.4.27"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2025-10-06T10:25:16+00:00"
-        },
-        {
-            "name": "symfony/deprecation-contracts",
-            "version": "v3.7.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/f3202fa1b5097b0af062dc978b32ecf63404e31d",
-                "reference": "f3202fa1b5097b0af062dc978b32ecf63404e31d",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=8.1"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/contracts",
-                    "name": "symfony/contracts"
-                },
-                "branch-alias": {
-                    "dev-main": "3.7-dev"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "function.php"
-                ]
-            },
-            "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": "A generic function and convention to trigger deprecation notices",
-            "homepage": "https://symfony.com",
-            "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.7.1"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2026-06-05T06:23:12+00:00"
-        },
-        {
-            "name": "symfony/polyfill-ctype",
-            "version": "v1.37.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "141046a8f9477948ff284fa65be2095baafb94f2"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/141046a8f9477948ff284fa65be2095baafb94f2",
-                "reference": "141046a8f9477948ff284fa65be2095baafb94f2",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.2"
-            },
-            "provide": {
-                "ext-ctype": "*"
-            },
-            "suggest": {
-                "ext-ctype": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/polyfill",
-                    "name": "symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Ctype\\": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Gert de Pagter",
-                    "email": "BackEndTea@gmail.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for ctype functions",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "ctype",
-                "polyfill",
-                "portable"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-ctype/tree/v1.37.0"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2026-04-10T16:19:22+00:00"
-        },
-        {
-            "name": "symfony/polyfill-intl-grapheme",
-            "version": "v1.33.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-intl-grapheme.git",
-                "reference": "380872130d3a5dd3ace2f4010d95125fde5d5c70"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-intl-grapheme/zipball/380872130d3a5dd3ace2f4010d95125fde5d5c70",
-                "reference": "380872130d3a5dd3ace2f4010d95125fde5d5c70",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.2"
-            },
-            "suggest": {
-                "ext-intl": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/polyfill",
-                    "name": "symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Intl\\Grapheme\\": ""
-                }
-            },
-            "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 polyfill for intl's grapheme_* functions",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "grapheme",
-                "intl",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-intl-grapheme/tree/v1.33.0"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2025-06-27T09:58:17+00:00"
-        },
-        {
-            "name": "symfony/polyfill-intl-normalizer",
-            "version": "v1.33.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-intl-normalizer.git",
-                "reference": "3833d7255cc303546435cb650316bff708a1c75c"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-intl-normalizer/zipball/3833d7255cc303546435cb650316bff708a1c75c",
-                "reference": "3833d7255cc303546435cb650316bff708a1c75c",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.2"
-            },
-            "suggest": {
-                "ext-intl": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/polyfill",
-                    "name": "symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Intl\\Normalizer\\": ""
-                },
-                "classmap": [
-                    "Resources/stubs"
-                ]
-            },
-            "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 polyfill for intl's Normalizer class and related functions",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "intl",
-                "normalizer",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-intl-normalizer/tree/v1.33.0"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2024-09-09T11:45:10+00:00"
-        },
-        {
-            "name": "symfony/polyfill-mbstring",
-            "version": "v1.38.2",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "d3d318bad5e7a1bfbd026009c8bfb8d8f99ae6b6"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/d3d318bad5e7a1bfbd026009c8bfb8d8f99ae6b6",
-                "reference": "d3d318bad5e7a1bfbd026009c8bfb8d8f99ae6b6",
-                "shasum": ""
-            },
-            "require": {
-                "ext-iconv": "*",
-                "php": ">=7.2"
-            },
-            "provide": {
-                "ext-mbstring": "*"
-            },
-            "suggest": {
-                "ext-mbstring": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/polyfill",
-                    "name": "symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "files": [
-                    "bootstrap.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Polyfill\\Mbstring\\": ""
-                }
-            },
-            "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 polyfill for the Mbstring extension",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "mbstring",
-                "polyfill",
-                "portable",
-                "shim"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/polyfill-mbstring/tree/v1.38.2"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2026-05-27T06:59:30+00:00"
-        },
-        {
-            "name": "symfony/service-contracts",
-            "version": "v3.6.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/service-contracts.git",
-                "reference": "f021b05a130d35510bd6b25fe9053c2a8a15d5d4"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/service-contracts/zipball/f021b05a130d35510bd6b25fe9053c2a8a15d5d4",
-                "reference": "f021b05a130d35510bd6b25fe9053c2a8a15d5d4",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=8.1",
-                "psr/container": "^1.1|^2.0",
-                "symfony/deprecation-contracts": "^2.5|^3"
-            },
-            "conflict": {
-                "ext-psr": "<1.1|>=2"
-            },
-            "type": "library",
-            "extra": {
-                "thanks": {
-                    "url": "https://github.com/symfony/contracts",
-                    "name": "symfony/contracts"
-                },
-                "branch-alias": {
-                    "dev-main": "3.6-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Contracts\\Service\\": ""
-                },
-                "exclude-from-classmap": [
-                    "/Test/"
-                ]
-            },
-            "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": "Generic abstractions related to writing services",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "abstractions",
-                "contracts",
-                "decoupling",
-                "interfaces",
-                "interoperability",
-                "standards"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/service-contracts/tree/v3.6.0"
-            },
-            "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": "2025-04-25T09:37:31+00:00"
-        },
-        {
-            "name": "symfony/string",
-            "version": "v7.3.4",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/string.git",
-                "reference": "f96476035142921000338bad71e5247fbc138872"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/string/zipball/f96476035142921000338bad71e5247fbc138872",
-                "reference": "f96476035142921000338bad71e5247fbc138872",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=8.2",
-                "symfony/polyfill-ctype": "~1.8",
-                "symfony/polyfill-intl-grapheme": "~1.0",
-                "symfony/polyfill-intl-normalizer": "~1.0",
-                "symfony/polyfill-mbstring": "~1.0"
-            },
-            "conflict": {
-                "symfony/translation-contracts": "<2.5"
-            },
-            "require-dev": {
-                "symfony/emoji": "^7.1",
-                "symfony/http-client": "^6.4|^7.0",
-                "symfony/intl": "^6.4|^7.0",
-                "symfony/translation-contracts": "^2.5|^3.0",
-                "symfony/var-exporter": "^6.4|^7.0"
-            },
-            "type": "library",
-            "autoload": {
-                "files": [
-                    "Resources/functions.php"
-                ],
-                "psr-4": {
-                    "Symfony\\Component\\String\\": ""
-                },
-                "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": "Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "grapheme",
-                "i18n",
-                "string",
-                "unicode",
-                "utf-8",
-                "utf8"
-            ],
-            "support": {
-                "source": "https://github.com/symfony/string/tree/v7.3.4"
-            },
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://github.com/nicolas-grekas",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2025-09-11T14:36:48+00:00"
-        },
-        {
-            "name": "twig/twig",
-            "version": "v3.27.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/twigphp/Twig.git",
-                "reference": "ae2071bffb38f04847fc0864d730c94b9cb8ab74"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/ae2071bffb38f04847fc0864d730c94b9cb8ab74",
-                "reference": "ae2071bffb38f04847fc0864d730c94b9cb8ab74",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=8.1.0",
-                "symfony/deprecation-contracts": "^2.5|^3",
-                "symfony/polyfill-ctype": "^1.8",
-                "symfony/polyfill-mbstring": "^1.3"
-            },
-            "require-dev": {
-                "php-cs-fixer/shim": "^3.0@stable",
-                "phpstan/phpstan": "^2.0@stable",
-                "psr/container": "^1.0|^2.0",
-                "symfony/phpunit-bridge": "^5.4.9|^6.4|^7.0"
-            },
-            "type": "library",
-            "autoload": {
-                "files": [
-                    "src/Resources/core.php",
-                    "src/Resources/debug.php",
-                    "src/Resources/escaper.php",
-                    "src/Resources/string_loader.php"
-                ],
-                "psr-4": {
-                    "Twig\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com",
-                    "homepage": "http://fabien.potencier.org",
-                    "role": "Lead Developer"
-                },
-                {
-                    "name": "Twig Team",
-                    "role": "Contributors"
-                },
-                {
-                    "name": "Armin Ronacher",
-                    "email": "armin.ronacher@active-4.com",
-                    "role": "Project Founder"
-                }
-            ],
-            "description": "Twig, the flexible, fast, and secure template language for PHP",
-            "homepage": "https://twig.symfony.com",
-            "keywords": [
-                "templating"
-            ],
-            "support": {
-                "issues": "https://github.com/twigphp/Twig/issues",
-                "source": "https://github.com/twigphp/Twig/tree/v3.27.1"
-            },
-            "funding": [
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/twig/twig",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2026-05-30T17:09:26+00:00"
-        }
-    ],
+    "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
     "stability-flags": {},
diff --git a/front/alert.form.php b/front/alert.form.php
index 1d44148..ccf3b38 100644
--- a/front/alert.form.php
+++ b/front/alert.form.php
@@ -32,9 +32,7 @@
 
 Session::checkLoginUser();
 
-if (!isset($_GET['id'])) {
-    $_GET['id'] = '';
-}
+$_GET['id'] ??= '';
 
 $alert = new PluginNewsAlert();
 
diff --git a/front/alert.php b/front/alert.php
index acb55e0..5cffd14 100644
--- a/front/alert.php
+++ b/front/alert.php
@@ -28,7 +28,7 @@
  * -------------------------------------------------------------------------
  */
 
-Session::checkRight("plugin_news_alert", READ);
+Session::checkRight(PluginNewsAlert::$rightname, READ);
 
 Html::header(
     __s('Alerts', 'news'),
diff --git a/inc/alert.class.php b/inc/alert.class.php
index e9e5188..3d7eb59 100644
--- a/inc/alert.class.php
+++ b/inc/alert.class.php
@@ -39,8 +39,8 @@
 
 class PluginNewsAlert extends CommonDBTM
 {
-    public static $rightname = 'plugin_news_alert';
-    public $dohistory        = true;
+    public static string $rightname = 'plugin_news_alert';
+    public bool $dohistory        = true;
 
     // Available templates
     public const GENERAL = 1;
@@ -391,7 +391,7 @@ public static function findAllToNotify($params = [])
         if ($targets_sql !== []) {
             $criteria['INNER JOIN'][$ttable]['ON'][] = $targets_sql;
         }
-        if (!empty($entity_sql)) {
+        if ($entity_sql !== []) {
             $criteria['WHERE'][] = $entity_sql;
         }
         if ($login_sql !== []) {
diff --git a/inc/alert_target.class.php b/inc/alert_target.class.php
index ded9ff2..7320097 100644
--- a/inc/alert_target.class.php
+++ b/inc/alert_target.class.php
@@ -37,7 +37,7 @@
 class PluginNewsAlert_Target extends CommonDBTM
 {
     // @codingStandardsIgnoreEnd
-    public static $rightname = 'plugin_news_alert';
+    public static string $rightname = 'plugin_news_alert';
 
     public static function getTypeName($nb = 0)
     {
diff --git a/inc/alert_user.class.php b/inc/alert_user.class.php
index 33a4931..b05b0bd 100644
--- a/inc/alert_user.class.php
+++ b/inc/alert_user.class.php
@@ -41,12 +41,12 @@ class PluginNewsAlert_User extends CommonDBRelation
 
     public const VISIBLE = 0;
 
-    public static $itemtype_1         = 'PluginNewsAlert';
-    public static $items_id_1         = 'plugin_news_alerts_id';
-    public static $checkItem_1_Rights = self::HAVE_VIEW_RIGHT_ON_ITEM;
+    public static ?string $itemtype_1         = 'PluginNewsAlert';
+    public static ?string $items_id_1         = 'plugin_news_alerts_id';
+    public static int $checkItem_1_Rights = self::HAVE_VIEW_RIGHT_ON_ITEM;
 
-    public static $itemtype_2 = 'User';
-    public static $items_id_2 = 'users_id';
+    public static ?string $itemtype_2 = 'User';
+    public static ?string $items_id_2 = 'users_id';
 
     public static function hideAlert($params = [])
     {
diff --git a/public/css/styles.css b/public/css/styles.css
index c5d2c63..9cd5b68 100644
--- a/public/css/styles.css
+++ b/public/css/styles.css
@@ -56,32 +56,96 @@
 
 .plugin_news_alert-login .plugin_news_alert-content {
    max-height: 0;
-   padding: 0;
+   padding: 0 15px;
    overflow: hidden;
-   transition: max-height .25s ease-out;
-   transition: padding .25s ease-out;
+   transition: max-height .25s ease-out, padding .25s ease-out;
 }
 
 .plugin_news_alert-login .expanded .plugin_news_alert-content {
    padding: 5px 15px;
    max-height: 100%;
    overflow-y: auto;
-   transition: max-height .25s ease-in;
-   transition: padding .25s ease-in;
+   transition: max-height .25s ease-in, padding .25s ease-in;
 }
 
 .plugin_news_alert-login .plugin_news_alert {
    min-width: 50%;
 }
 
+.page-anonymous .row.justify-content-center {
+   align-items: flex-start;
+}
+
+.page-anonymous .plugin_news_alert-login {
+   width: 22rem;
+   max-width: calc(100vw - 2rem);
+   margin-bottom: 0;
+   text-align: left;
+}
+
+.page-anonymous .plugin_news_alert-login .alert {
+   border: 1px solid rgb(32 107 196 / 18%);
+   border-radius: .55rem;
+   box-shadow: 0 8px 24px rgb(15 23 42 / 8%);
+   padding: .7rem .8rem;
+}
+
+@media (min-width: 768px) {
+   .page-anonymous .plugin_news_alert-login {
+      margin-top: 4.75rem;
+   }
+}
+
+.page-anonymous .plugin_news_alert-login .plugin_news_alert {
+   margin: 0;
+   min-width: 100%;
+}
+
+.page-anonymous .plugin_news_alert-login .plugin_news_alert h3 {
+   margin: 0 0 .7rem;
+   padding-left: .1rem;
+   padding-right: 1.5rem;
+   font-size: 1.15rem;
+   font-weight: 600;
+   letter-spacing: .01em;
+}
+
+.plugin_news_alert .alert .d-flex > i[class*="ti-"] {
+   flex-shrink: 0;
+   line-height: 1;
+}
+
+.page-anonymous .plugin_news_alert-login .plugin_news_alert-content {
+   margin-top: .4rem;
+   line-height: 1.45;
+   overflow-wrap: anywhere;
+}
+
+.page-anonymous .plugin_news_alert-login .plugin_news_alert-content p {
+   margin-bottom: .55rem;
+}
+
+.page-anonymous .plugin_news_alert-login .btn-close {
+   top: .45rem;
+   right: .45rem;
+   opacity: .55;
+}
+
+.page-anonymous .plugin_news_alert-login .btn-close:hover {
+   opacity: .85;
+}
+
 .plugin_news_alert-toggle {
    background-image: url("../pics/toggle_down.png");
+   background-repeat: no-repeat;
+   background-size: contain;
    width: 16px;
    height: 16px;
    cursor: pointer;
    position: absolute;
-   top: 3px;
+   top: 50%;
    right: 0;
+   transform: translateY(-50%);
    opacity: .5;
 }
 
diff --git a/public/js/news.js b/public/js/news.js
index 85450c5..f05c797 100644
--- a/public/js/news.js
+++ b/public/js/news.js
@@ -27,7 +27,7 @@
  */
 
 pluginNewsCloseAlerts = function() {
-    $(document).on("mousedown", ".plugin_news_alert .alert a[data-bs-dismiss=alert]", function(event) {
+    $(document).on("mousedown", ".plugin_news_alert .alert a[data-bs-dismiss=alert]", function() {
         var alert = $(this).closest(".plugin_news_alert");
         var id    = alert.attr('data-id');
         var a_url = CFG_GLPI.root_doc+"/plugins/news/ajax";
diff --git a/setup.php b/setup.php
index fdcb670..f10ceb2 100644
--- a/setup.php
+++ b/setup.php
@@ -33,9 +33,9 @@
 define('PLUGIN_NEWS_VERSION', '1.14.1');
 
 // Minimal GLPI version, inclusive
-define('PLUGIN_NEWS_MIN_GLPI', '11.0.0');
+define('PLUGIN_NEWS_MIN_GLPI', '12.0.0');
 // Maximum GLPI version, exclusive
-define('PLUGIN_NEWS_MAX_GLPI', '11.0.99');
+define('PLUGIN_NEWS_MAX_GLPI', '12.0.99');
 
 function plugin_init_news()
 {
diff --git a/templates/display_alert.html.twig b/templates/display_alert.html.twig
index 23881c7..5a8405b 100644
--- a/templates/display_alert.html.twig
+++ b/templates/display_alert.html.twig
@@ -34,7 +34,7 @@
 </style>
 
 {% set js_rand = random() %}
-<div class="plugin_news_alert {{ size }}" data-id="{{ alert_fields.id|default(0) }}">
+<div class="plugin_news_alert {{ size }} {{ show_only_login_alerts ? 'expanded' : '' }}" data-id="{{ alert_fields.id|default(0) }}">
     <div
         class="
             alert-{{ js_rand }}
diff --git a/templates/profile.html.twig b/templates/profile.html.twig
index c7aa686..13155e7 100644
--- a/templates/profile.html.twig
+++ b/templates/profile.html.twig
@@ -34,7 +34,5 @@
             <input type="hidden" name="id" value="{{ id }}">
             {{ call('Html::submit', [_x('button', 'Save', 'news'), {'name': 'update'}])|raw }}
         </div>
-
-        <input type="hidden" name="_glpi_csrf_token" value="{{ csrf_token() }}">
     </form>
 </div>