diff --git a/.doctrine-project.json b/.doctrine-project.json
index 686066b4a4d..80bb45ddc4f 100644
--- a/.doctrine-project.json
+++ b/.doctrine-project.json
@@ -82,51 +82,6 @@
             "branchName": "3.0.x",
             "slug": "3.0",
             "maintained": false
-        },
-        {
-            "name": "2.13",
-            "slug": "2.13",
-            "maintained": false
-        },
-        {
-            "name": "2.12",
-            "slug": "2.12",
-            "maintained": false
-        },
-        {
-            "name": "2.11",
-            "slug": "2.11",
-            "maintained": false
-        },
-        {
-            "name": "2.10",
-            "slug": "2.10",
-            "maintained": false
-        },
-        {
-            "name": "2.9",
-            "slug": "2.9",
-            "maintained": false
-        },
-        {
-            "name": "2.8",
-            "slug": "2.8",
-            "maintained": false
-        },
-        {
-            "name": "2.7",
-            "slug": "2.7",
-            "maintained": false
-        },
-        {
-            "name": "2.6",
-            "slug": "2.6",
-            "maintained": false
-        },
-        {
-            "name": "2.5",
-            "slug": "2.5",
-            "maintained": false
         }
     ]
 }
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index 1cfda1b1111..acea9af5961 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -280,6 +280,7 @@ jobs:
         php-version:
           - "8.1"
         mariadb-version:
+          # keep in sync with https://mariadb.org/about/#maintenance-policy
           - "10.4"  # Oldest version supported by DBAL, LTS (Jun 2024)
           - "10.5"  # LTS (Jun 2025)
           - "10.6"  # LTS (Jul 2026)
@@ -287,6 +288,7 @@ jobs:
           - "11.0"  # STS (Jun 2024)
           - "11.1"  # STS (Aug 2024)
           - "11.2"  # STS (Nov 2024)
+          - "11.3"  # STS (Feb 2025)
         extension:
           - "mysqli"
           - "pdo_mysql"
diff --git a/UPGRADE.md b/UPGRADE.md
index 4a69145c655..7759a91fd4d 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -1757,7 +1757,7 @@ We have been working on phasing out `doctrine/cache`, and 3.2.0 allows to use
 `psr/cache` instead. To help calling our own internal APIs in a unified way, we
 also wrap `doctrine/cache` implementations with a `psr/cache` adapter.
 Using cache keys containing characters reserved by `psr/cache` will result in
-an exception. The characters are the following: `{}()/\@`.
+an exception. The characters are the following: `{}()/\@:`.
 
 ## Deprecated `SQLLogger` and its implementations.
 
diff --git a/docs/en/reference/types.rst b/docs/en/reference/types.rst
index 32b12d5184b..716b0d50ec1 100644
--- a/docs/en/reference/types.rst
+++ b/docs/en/reference/types.rst
@@ -91,6 +91,10 @@ Values retrieved from the database are always converted to PHP's ``integer`` typ
 if they are within PHP's integer range or ``string`` if they aren't.
 Otherwise, returns ``null`` if no data is present.
 
+.. versionadded:: 4.0
+
+The mapping to PHP ``int`` was added in version 4.0
+
 .. note::
 
     Due to architectural differences, 32-bit PHP systems have a smaller
diff --git a/src/Query/QueryBuilder.php b/src/Query/QueryBuilder.php
index 52fc06d88f4..1127c6b9e4a 100644
--- a/src/Query/QueryBuilder.php
+++ b/src/Query/QueryBuilder.php
@@ -1454,7 +1454,7 @@ public function __clone()
 
     /**
      * Enables caching of the results of this query, for given amount of seconds
-     * and optionally specified witch key to use for the cache entry.
+     * and optionally specified which key to use for the cache entry.
      *
      * @return $this
      */
diff --git a/src/Schema/SQLiteSchemaManager.php b/src/Schema/SQLiteSchemaManager.php
index 20dc4fd257d..fc2014b4cb1 100644
--- a/src/Schema/SQLiteSchemaManager.php
+++ b/src/Schema/SQLiteSchemaManager.php
@@ -574,7 +574,7 @@ protected function selectForeignKeyColumns(string $databaseName, ?string $tableN
                    p.*
               FROM sqlite_master t
               JOIN pragma_foreign_key_list(t.name) p
-                ON p."seq" != "-1"
+                ON p."seq" != '-1'
 SQL;
 
         $conditions = [