diff --git a/apps/cloud_federation_api/lib/Migration/Version1016Date202502262004.php b/apps/cloud_federation_api/lib/Migration/Version1016Date202502262004.php
index a3523d45e38ed..b582c827f91b4 100644
--- a/apps/cloud_federation_api/lib/Migration/Version1016Date202502262004.php
+++ b/apps/cloud_federation_api/lib/Migration/Version1016Date202502262004.php
@@ -12,9 +12,11 @@
 use Closure;
 use OCP\DB\ISchemaWrapper;
 use OCP\DB\Types;
+use OCP\Migration\Attributes\CreateTable;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
 
+#[CreateTable(table: 'federated_invites', columns: ['id', 'user_id', 'recipient_provider', 'recipient_user_id', 'recipient_name', 'recipient_email', 'token', 'accepted', 'created_at', 'expired_at', 'accepted_at'], description: 'Supporting the OCM Invitation Flow feature')]
 class Version1016Date202502262004 extends SimpleMigrationStep {
 	/**
 	 * @param IOutput $output
diff --git a/apps/dav/lib/Migration/Version1034Date20250605132605.php b/apps/dav/lib/Migration/Version1034Date20250605132605.php
index d46892f6e5af0..2eff120c393bb 100644
--- a/apps/dav/lib/Migration/Version1034Date20250605132605.php
+++ b/apps/dav/lib/Migration/Version1034Date20250605132605.php
@@ -12,9 +12,14 @@
 use Closure;
 use OCP\DB\ISchemaWrapper;
 use OCP\DB\Types;
+use OCP\Migration\Attributes\AddColumn;
+use OCP\Migration\Attributes\ColumnType;
+use OCP\Migration\Attributes\CreateTable;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
 
+#[AddColumn(table: 'dav_shares', name: 'token', type: ColumnType::STRING)]
+#[CreateTable(table: 'calendars_federated', columns: ['id', 'display_name', 'color', 'uri', 'principaluri', 'remote_Url', 'token', 'sync_token', 'last_sync', 'shared_by', 'shared_by_display_name', 'components', 'permissions'], description: 'Supporting Federated Calender')]
 class Version1034Date20250605132605 extends SimpleMigrationStep {
 	/**
 	 * @param IOutput $output
diff --git a/apps/dav/lib/Migration/Version1034Date20250813093701.php b/apps/dav/lib/Migration/Version1034Date20250813093701.php
index 10be71f067bef..e357178104249 100644
--- a/apps/dav/lib/Migration/Version1034Date20250813093701.php
+++ b/apps/dav/lib/Migration/Version1034Date20250813093701.php
@@ -13,10 +13,12 @@
 use OCP\DB\ISchemaWrapper;
 use OCP\DB\QueryBuilder\IQueryBuilder;
 use OCP\IDBConnection;
+use OCP\Migration\Attributes\DataCleansing;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
 use Override;
 
+#[DataCleansing(table: 'properties', description: 'remove commonly used custom properties set as default')]
 class Version1034Date20250813093701 extends SimpleMigrationStep {
 	public function __construct(
 		private IDBConnection $db,
diff --git a/build/psalm/OcpSinceChecker.php b/build/psalm/OcpSinceChecker.php
index 38af92cf4ef44..c4e8f71782802 100644
--- a/build/psalm/OcpSinceChecker.php
+++ b/build/psalm/OcpSinceChecker.php
@@ -26,6 +26,7 @@ public static function afterClassLikeVisit(AfterClassLikeVisitEvent $event): voi
 
 		$isTesting = str_contains($statementsSource->getFilePath(), '/lib/public/Notification/')
 			|| str_contains($statementsSource->getFilePath(), '/lib/public/Config/')
+			|| str_contains($statementsSource->getFilePath(), '/lib/public/Migration/Attributes/')
 			|| str_contains($statementsSource->getFilePath(), 'CalendarEventStatus');
 
 		if ($isTesting) {
diff --git a/core/Migrations/Version32000Date20250620081925.php b/core/Migrations/Version32000Date20250620081925.php
index 13e1ac0f87dcb..a161964da6791 100644
--- a/core/Migrations/Version32000Date20250620081925.php
+++ b/core/Migrations/Version32000Date20250620081925.php
@@ -9,8 +9,11 @@
 
 namespace OC\Core\Migrations;
 
+use OCP\Migration\Attributes\DataCleansing;
+
 /**
  * Run the old migration Version24000Date20211210141942 again.
  */
+#[DataCleansing(table: 'preferences', description: 'lowercase accounts email address')]
 class Version32000Date20250620081925 extends Version24000Date20211210141942 {
 }
diff --git a/core/Migrations/Version32000Date20250731062008.php b/core/Migrations/Version32000Date20250731062008.php
index 26f0d20d19cee..5976be55a5413 100644
--- a/core/Migrations/Version32000Date20250731062008.php
+++ b/core/Migrations/Version32000Date20250731062008.php
@@ -12,6 +12,7 @@
 use Closure;
 use OCP\DB\ISchemaWrapper;
 use OCP\IDBConnection;
+use OCP\Migration\Attributes\DataCleansing;
 use OCP\Migration\IOutput;
 use OCP\Migration\SimpleMigrationStep;
 use Override;
@@ -21,6 +22,8 @@
  * This migration will clean up existing duplicates.
  * The new unique constraint is added in @see \OC\Core\Listener\AddMissingIndicesListener
  */
+#[DataCleansing(table: 'vcategory', description: 'Cleanup of duplicate vcategory records')]
+#[DataCleansing(table: 'vcategory_to_object', description: 'Update object references')]
 class Version32000Date20250731062008 extends SimpleMigrationStep {
 	public function __construct(
 		private IDBConnection $connection,
diff --git a/lib/composer/composer/autoload_classmap.php b/lib/composer/composer/autoload_classmap.php
index f591a982a390a..d73a1527b2898 100644
--- a/lib/composer/composer/autoload_classmap.php
+++ b/lib/composer/composer/autoload_classmap.php
@@ -678,6 +678,8 @@
     'OCP\\Migration\\Attributes\\ColumnMigrationAttribute' => $baseDir . '/lib/public/Migration/Attributes/ColumnMigrationAttribute.php',
     'OCP\\Migration\\Attributes\\ColumnType' => $baseDir . '/lib/public/Migration/Attributes/ColumnType.php',
     'OCP\\Migration\\Attributes\\CreateTable' => $baseDir . '/lib/public/Migration/Attributes/CreateTable.php',
+    'OCP\\Migration\\Attributes\\DataCleansing' => $baseDir . '/lib/public/Migration/Attributes/DataCleansing.php',
+    'OCP\\Migration\\Attributes\\DataMigrationAttribute' => $baseDir . '/lib/public/Migration/Attributes/DataMigrationAttribute.php',
     'OCP\\Migration\\Attributes\\DropColumn' => $baseDir . '/lib/public/Migration/Attributes/DropColumn.php',
     'OCP\\Migration\\Attributes\\DropIndex' => $baseDir . '/lib/public/Migration/Attributes/DropIndex.php',
     'OCP\\Migration\\Attributes\\DropTable' => $baseDir . '/lib/public/Migration/Attributes/DropTable.php',
diff --git a/lib/composer/composer/autoload_static.php b/lib/composer/composer/autoload_static.php
index 649886b76cad2..6d42f2dc2ae96 100644
--- a/lib/composer/composer/autoload_static.php
+++ b/lib/composer/composer/autoload_static.php
@@ -719,6 +719,8 @@ class ComposerStaticInit749170dad3f5e7f9ca158f5a9f04f6a2
         'OCP\\Migration\\Attributes\\ColumnMigrationAttribute' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/ColumnMigrationAttribute.php',
         'OCP\\Migration\\Attributes\\ColumnType' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/ColumnType.php',
         'OCP\\Migration\\Attributes\\CreateTable' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/CreateTable.php',
+        'OCP\\Migration\\Attributes\\DataCleansing' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/DataCleansing.php',
+        'OCP\\Migration\\Attributes\\DataMigrationAttribute' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/DataMigrationAttribute.php',
         'OCP\\Migration\\Attributes\\DropColumn' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/DropColumn.php',
         'OCP\\Migration\\Attributes\\DropIndex' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/DropIndex.php',
         'OCP\\Migration\\Attributes\\DropTable' => __DIR__ . '/../../..' . '/lib/public/Migration/Attributes/DropTable.php',
diff --git a/lib/public/Migration/Attributes/AddColumn.php b/lib/public/Migration/Attributes/AddColumn.php
index d84a0c1f60c2e..e371ec81d198d 100644
--- a/lib/public/Migration/Attributes/AddColumn.php
+++ b/lib/public/Migration/Attributes/AddColumn.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on new column creation
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class AddColumn extends ColumnMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/AddIndex.php b/lib/public/Migration/Attributes/AddIndex.php
index ee22fe7f12898..86b5a89c389ef 100644
--- a/lib/public/Migration/Attributes/AddIndex.php
+++ b/lib/public/Migration/Attributes/AddIndex.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on index creation
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class AddIndex extends IndexMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/ColumnMigrationAttribute.php b/lib/public/Migration/Attributes/ColumnMigrationAttribute.php
index 30b6fe008e6a3..d3f4aa05ade08 100644
--- a/lib/public/Migration/Attributes/ColumnMigrationAttribute.php
+++ b/lib/public/Migration/Attributes/ColumnMigrationAttribute.php
@@ -8,14 +8,13 @@
  */
 namespace OCP\Migration\Attributes;
 
-use JsonSerializable;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * generic class related to migration attribute about column changes
- *
- * @since 30.0.0
  */
-class ColumnMigrationAttribute extends MigrationAttribute implements JsonSerializable {
+#[Consumable(since: '30.0.0')]
+class ColumnMigrationAttribute extends MigrationAttribute {
 	/**
 	 * @param string $table name of the database table
 	 * @param string $name name of the column
diff --git a/lib/public/Migration/Attributes/ColumnType.php b/lib/public/Migration/Attributes/ColumnType.php
index ab6044e3ae2c1..54c0365bc9e0e 100644
--- a/lib/public/Migration/Attributes/ColumnType.php
+++ b/lib/public/Migration/Attributes/ColumnType.php
@@ -8,12 +8,14 @@
  */
 namespace OCP\Migration\Attributes;
 
+use OCP\AppFramework\Attribute\Consumable;
+
 /**
  * enum ColumnType based on OCP\DB\Types
  *
  * @see \OCP\DB\Types
- * @since 30.0.0
  */
+#[Consumable(since: '30.0.0')]
 enum ColumnType : string {
 	/** @since 30.0.0 */
 	case BIGINT = 'bigint';
diff --git a/lib/public/Migration/Attributes/CreateTable.php b/lib/public/Migration/Attributes/CreateTable.php
index df0418fa4bc2a..c774b0aff5648 100644
--- a/lib/public/Migration/Attributes/CreateTable.php
+++ b/lib/public/Migration/Attributes/CreateTable.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on table creation
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class CreateTable extends TableMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/DataCleansing.php b/lib/public/Migration/Attributes/DataCleansing.php
new file mode 100644
index 0000000000000..6215c8b026867
--- /dev/null
+++ b/lib/public/Migration/Attributes/DataCleansing.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\Migration\Attributes;
+
+use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
+
+/**
+ * attribute on new column creation
+ */
+#[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '32.0.0')]
+class DataCleansing extends DataMigrationAttribute {
+	/**
+	 * @return string
+	 * @since 32.0.0
+	 */
+	public function definition(): string {
+		return 'Cleansing data from table \'' . $this->getTable() . '\'';
+	}
+}
diff --git a/lib/public/Migration/Attributes/DataMigrationAttribute.php b/lib/public/Migration/Attributes/DataMigrationAttribute.php
new file mode 100644
index 0000000000000..08d12a9f37b1f
--- /dev/null
+++ b/lib/public/Migration/Attributes/DataMigrationAttribute.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2025 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\Migration\Attributes;
+
+use OCP\AppFramework\Attribute\Consumable;
+
+/**
+ * generic class related to migration attribute about data migration
+ */
+#[Consumable(since: '32.0.0')]
+class DataMigrationAttribute extends MigrationAttribute {
+}
diff --git a/lib/public/Migration/Attributes/DropColumn.php b/lib/public/Migration/Attributes/DropColumn.php
index a1cd5790cc7a5..4d0568a0a4eb9 100644
--- a/lib/public/Migration/Attributes/DropColumn.php
+++ b/lib/public/Migration/Attributes/DropColumn.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on column drop
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class DropColumn extends ColumnMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/DropIndex.php b/lib/public/Migration/Attributes/DropIndex.php
index 2702cbed9a732..39bdd64ced7e4 100644
--- a/lib/public/Migration/Attributes/DropIndex.php
+++ b/lib/public/Migration/Attributes/DropIndex.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on index drop
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class DropIndex extends IndexMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/DropTable.php b/lib/public/Migration/Attributes/DropTable.php
index e90e4804a3c9e..ad18d07c8efa2 100644
--- a/lib/public/Migration/Attributes/DropTable.php
+++ b/lib/public/Migration/Attributes/DropTable.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on table drop
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class DropTable extends TableMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/GenericMigrationAttribute.php b/lib/public/Migration/Attributes/GenericMigrationAttribute.php
index e63f78088e841..870182b0398ca 100644
--- a/lib/public/Migration/Attributes/GenericMigrationAttribute.php
+++ b/lib/public/Migration/Attributes/GenericMigrationAttribute.php
@@ -8,15 +8,14 @@
  */
 namespace OCP\Migration\Attributes;
 
-use JsonSerializable;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * generic entry, used to replace migration attribute not yet known in current version
  * but used in a future release
- *
- * @since 30.0.0
  */
-class GenericMigrationAttribute extends MigrationAttribute implements JsonSerializable {
+#[Consumable(since: '30.0.0')]
+class GenericMigrationAttribute extends MigrationAttribute {
 	/**
 	 * @param array $details
 	 * @since 30.0.0
diff --git a/lib/public/Migration/Attributes/IndexMigrationAttribute.php b/lib/public/Migration/Attributes/IndexMigrationAttribute.php
index 88b60a564b3de..31b9e2da2778e 100644
--- a/lib/public/Migration/Attributes/IndexMigrationAttribute.php
+++ b/lib/public/Migration/Attributes/IndexMigrationAttribute.php
@@ -8,14 +8,13 @@
  */
 namespace OCP\Migration\Attributes;
 
-use JsonSerializable;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * generic class related to migration attribute about index changes
- *
- * @since 30.0.0
  */
-class IndexMigrationAttribute extends MigrationAttribute implements JsonSerializable {
+#[Consumable(since: '30.0.0')]
+class IndexMigrationAttribute extends MigrationAttribute {
 	/**
 	 * @param string $table name of the database table
 	 * @param IndexType|null $type type of the index
diff --git a/lib/public/Migration/Attributes/IndexType.php b/lib/public/Migration/Attributes/IndexType.php
index 45c88d8104192..dc3fcb9c6564b 100644
--- a/lib/public/Migration/Attributes/IndexType.php
+++ b/lib/public/Migration/Attributes/IndexType.php
@@ -8,11 +8,12 @@
  */
 namespace OCP\Migration\Attributes;
 
+use OCP\AppFramework\Attribute\Consumable;
+
 /**
  * type of index
- *
- * @since 30.0.0
  */
+#[Consumable(since: '30.0.0')]
 enum IndexType : string {
 	/** @since 30.0.0 */
 	case PRIMARY = 'primary';
diff --git a/lib/public/Migration/Attributes/MigrationAttribute.php b/lib/public/Migration/Attributes/MigrationAttribute.php
index d5b2d52cafb7b..4df46e7a2fe58 100644
--- a/lib/public/Migration/Attributes/MigrationAttribute.php
+++ b/lib/public/Migration/Attributes/MigrationAttribute.php
@@ -9,10 +9,9 @@
 namespace OCP\Migration\Attributes;
 
 use JsonSerializable;
+use OCP\AppFramework\Attribute\Consumable;
 
-/**
- * @since 30.0.0
- */
+#[Consumable(since: '30.0.0')]
 class MigrationAttribute implements JsonSerializable {
 	/**
 	 * @param string $table name of the database table
diff --git a/lib/public/Migration/Attributes/ModifyColumn.php b/lib/public/Migration/Attributes/ModifyColumn.php
index 6fc44ebb82478..f34c29db74a09 100644
--- a/lib/public/Migration/Attributes/ModifyColumn.php
+++ b/lib/public/Migration/Attributes/ModifyColumn.php
@@ -9,13 +9,13 @@
 namespace OCP\Migration\Attributes;
 
 use Attribute;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * attribute on column modification
- *
- * @since 30.0.0
  */
 #[Attribute(Attribute::IS_REPEATABLE | Attribute::TARGET_CLASS)]
+#[Consumable(since: '30.0.0')]
 class ModifyColumn extends ColumnMigrationAttribute {
 	/**
 	 * @return string
diff --git a/lib/public/Migration/Attributes/TableMigrationAttribute.php b/lib/public/Migration/Attributes/TableMigrationAttribute.php
index 0776e50387edc..aede981c10f36 100644
--- a/lib/public/Migration/Attributes/TableMigrationAttribute.php
+++ b/lib/public/Migration/Attributes/TableMigrationAttribute.php
@@ -8,14 +8,13 @@
  */
 namespace OCP\Migration\Attributes;
 
-use JsonSerializable;
+use OCP\AppFramework\Attribute\Consumable;
 
 /**
  * generic class related to migration attribute about table changes
- *
- * @since 30.0.0
  */
-class TableMigrationAttribute extends MigrationAttribute implements JsonSerializable {
+#[Consumable(since: '30.0.0')]
+class TableMigrationAttribute extends MigrationAttribute {
 	/**
 	 * @param string $table name of the database table
 	 * @param array $columns list of columns