diff --git a/src/backup/backupRestorer.ts b/src/backup/backupRestorer.ts
index e2f76c0f..011f3e75 100644
--- a/src/backup/backupRestorer.ts
+++ b/src/backup/backupRestorer.ts
@@ -26,6 +26,7 @@ export default class BackupRestorer extends CommandBase {
   private statusGetter: BackupRestoreStatusGetter;
   private waitForCompletion?: boolean;
   private config?: RestoreConfig;
+  private overwriteAlias?: boolean;
 
   constructor(client: Connection, statusGetter: BackupRestoreStatusGetter) {
     super(client);
@@ -65,6 +66,11 @@ export default class BackupRestorer extends CommandBase {
     return this;
   }
 
+  withOverwriteAlias(overwriteAlias: boolean) {
+    this.overwriteAlias = overwriteAlias;
+    return this;
+  }
+
   withConfig(cfg: RestoreConfig) {
     this.config = cfg;
     return this;
@@ -89,6 +95,7 @@ export default class BackupRestorer extends CommandBase {
       config: this.config,
       include: this.includeClassNames,
       exclude: this.excludeClassNames,
+      overwriteAlias: this.overwriteAlias,
     } as BackupRestoreRequest;
 
     if (this.waitForCompletion) {
diff --git a/src/collections/backup/client.ts b/src/collections/backup/client.ts
index 6557f070..f220ba0c 100644
--- a/src/collections/backup/client.ts
+++ b/src/collections/backup/client.ts
@@ -163,6 +163,9 @@ export const backup = (connection: Connection): Backup => {
       if (args.excludeCollections) {
         builder = builder.withExcludeClassNames(...args.excludeCollections);
       }
+      if (args.config?.overwriteAlias) {
+        builder = builder.withOverwriteAlias(args.config?.overwriteAlias);
+      }
       if (args.config) {
         builder = builder.withConfig({
           CPUPercentage: args.config.cpuPercentage,
diff --git a/src/collections/backup/collection.ts b/src/collections/backup/collection.ts
index 89ffd864..377d8009 100644
--- a/src/collections/backup/collection.ts
+++ b/src/collections/backup/collection.ts
@@ -1,6 +1,5 @@
 import { Backend } from '../../backup/index.js';
 import Connection from '../../connection/index.js';
-import { WeaviateInvalidInputError } from '../../errors.js';
 import { backup } from './client.js';
 import { BackupReturn, BackupStatusArgs, BackupStatusReturn } from './types.js';
 
diff --git a/src/collections/backup/integration.test.ts b/src/collections/backup/integration.test.ts
index 4cbd4554..cfccb2cf 100644
--- a/src/collections/backup/integration.test.ts
+++ b/src/collections/backup/integration.test.ts
@@ -3,6 +3,7 @@
 /* eslint-disable no-await-in-loop */
 import { requireAtLeast } from '../../../test/version.js';
 import { Backend } from '../../backup/index.js';
+import { WeaviateBackupFailed } from '../../errors.js';
 import weaviate, { Collection, WeaviateClient } from '../../index.js';
 
 // These must run sequentially because Weaviate is not capable of running multiple backups at the same time
@@ -117,6 +118,87 @@ describe('Integration testing of backups', () => {
       .then(testCollectionWaitForCompletion)
       .then(testCollectionNoWaitForCompletion));
 
+  requireAtLeast(1, 32, 3).describe('overwrite alias', () => {
+    test('overwriteAlias=true', async () => {
+      const client = await clientPromise;
+
+      const things = await client.collections.create({ name: 'ThingsTrue' });
+      await client.alias.create({ collection: things.name, alias: `${things.name}Alias` });
+
+      const backup = await client.backup.create({
+        backend: 'filesystem',
+        backupId: randomBackupId(),
+        includeCollections: [things.name],
+        waitForCompletion: true,
+      });
+
+      await client.collections.delete(things.name);
+      await client.alias.delete(`${things.name}Alias`);
+
+      // Change alias to point to a different collection
+      const inventory = await client.collections.create({ name: 'InventoryTrue' });
+      await client.alias.create({ collection: inventory.name, alias: `${things.name}Alias` });
+
+      // Restore backup with overwriteAlias=true
+      await client.backup.restore({
+        backend: 'filesystem',
+        backupId: backup.id,
+        includeCollections: [things.name],
+        waitForCompletion: true,
+        config: { overwriteAlias: true },
+      });
+
+      // Assert: alias points to the original collection
+      const alias = await client.alias.get(`${things.name}Alias`);
+      expect(alias.collection).toEqual(things.name);
+    });
+
+    test('overwriteAlias=false', async () => {
+      const client = await clientPromise;
+
+      const things = await client.collections.create({ name: 'ThingsFalse' });
+      await client.alias.create({ collection: things.name, alias: `${things.name}Alias` });
+
+      const backup = await client.backup.create({
+        backend: 'filesystem',
+        backupId: randomBackupId(),
+        includeCollections: [things.name],
+        waitForCompletion: true,
+      });
+
+      await client.collections.delete(things.name);
+      await client.alias.delete(`${things.name}Alias`);
+
+      // Change alias to point to a different collection
+      const inventory = await client.collections.create({ name: 'InventoryFalse' });
+      await client.alias.create({ collection: inventory.name, alias: `${things.name}Alias` });
+
+      // Restore backup with overwriteAlias=true
+      const restored = client.backup.restore({
+        backend: 'filesystem',
+        backupId: backup.id,
+        includeCollections: [things.name],
+        waitForCompletion: true,
+        config: { overwriteAlias: false },
+      });
+
+      // Assert: fails with "alias already exists" error
+      await expect(restored).rejects.toThrowError(WeaviateBackupFailed);
+    });
+
+    it('cleanup', async () => {
+      await clientPromise.then(async (c) => {
+        await Promise.all(
+          ['ThingsTrue', 'ThingsFalse', 'InventoryTrue', 'InventoryFalse'].map((name) =>
+            c.collections.delete(name).catch((e) => {})
+          )
+        );
+        await c.alias.delete('ThingsFalseAlias').catch((e) => {});
+        await c.alias.delete('ThingsTrueAlias').catch((e) => {});
+      });
+    });
+  });
+
   requireAtLeast(1, 32, 0).it('get all exising backups', async () => {
     await clientPromise.then(async (client) => {
       await client.collections.create({ name: 'TestListBackups' }).then((col) => col.data.insert());
diff --git a/src/collections/backup/types.ts b/src/collections/backup/types.ts
index 250d88e6..4403bb0e 100644
--- a/src/collections/backup/types.ts
+++ b/src/collections/backup/types.ts
@@ -37,6 +37,8 @@ export type BackupConfigCreate = {
 export type BackupConfigRestore = {
   /** The percentage of CPU to use for the backuop restoration job. */
   cpuPercentage?: number;
+  /** Allows ovewriting the collection alias if there is a conflict. */
+  overwriteAlias?: boolean;
 };
 
 /** The arguments required to create and restore backups. */
diff --git a/src/openapi/schema.ts b/src/openapi/schema.ts
index 9908f40d..409fbfbe 100644
--- a/src/openapi/schema.ts
+++ b/src/openapi/schema.ts
@@ -110,6 +110,10 @@ export interface paths {
   '/authz/roles/{id}/user-assignments': {
     get: operations['getUsersForRole'];
   };
+  '/authz/roles/{id}/group-assignments': {
+    /** Retrieves a list of all groups that have been assigned a specific role, identified by its name. */
+    get: operations['getGroupsForRole'];
+  };
   '/authz/users/{id}/roles': {
     get: operations['getRolesForUserDeprecated'];
   };
@@ -128,6 +132,14 @@ export interface paths {
   '/authz/groups/{id}/revoke': {
     post: operations['revokeRoleFromGroup'];
   };
+  '/authz/groups/{id}/roles/{groupType}': {
+    /** Retrieves a list of all roles assigned to a specific group. The group must be identified by both its name (`id`) and its type (`db` or `oidc`). */
+    get: operations['getRolesForGroup'];
+  };
+  '/authz/groups/{groupType}': {
+    /** Retrieves a list of all available group names for a specified group type (`oidc` or `db`). */
+    get: operations['getGroups'];
+  };
   '/objects': {
     /** Lists all Objects in reverse order of creation, owned by the user that belongs to the used token. */
     get: operations['objects.list'];
@@ -303,6 +315,11 @@ export interface definitions {
    * @enum {string}
    */
   UserTypeInput: 'db' | 'oidc';
+  /**
+   * @description If the group contains OIDC or database users.
+   * @enum {string}
+   */
+  GroupType: 'db' | 'oidc';
   /**
    * @description the type of user
    * @enum {string}
@@ -399,6 +416,15 @@ export interface definitions {
        */
       users?: string;
     };
+    /** @description Resources applicable for group actions. */
+    groups?: {
+      /**
+       * @description A string that specifies which groups this permission applies to. Can be an exact group name or a regex pattern. The default value `*` applies the permission to all groups.
+       * @default *
+       */
+      group?: string;
+      groupType?: definitions['GroupType'];
+    };
     /** @description resources applicable for tenant actions */
     tenants?: {
       /**
@@ -496,7 +522,9 @@ export interface definitions {
       | 'create_aliases'
       | 'read_aliases'
       | 'update_aliases'
-      | 'delete_aliases';
+      | 'delete_aliases'
+      | 'assign_and_revoke_groups'
+      | 'read_groups';
   };
   /** @description list of roles */
   RolesListResponse: definitions['Role'][];
@@ -1171,8 +1199,6 @@ export interface definitions {
   BackupListResponse: {
     /** @description The ID of the backup. Must be URL-safe and work as a filesystem path, only lowercase, numbers, underscore, minus characters allowed. */
     id?: string;
-    /** @description destination path of backup files proper to selected backend */
-    path?: string;
     /** @description The list of classes for which the existed backup process */
     classes?: string[];
     /**
@@ -1191,6 +1217,8 @@ export interface definitions {
     exclude?: string[];
     /** @description Allows overriding the node names stored in the backup with different ones. Useful when restoring backups to a different environment. */
     node_mapping?: { [key: string]: string };
+    /** @description Allows ovewriting the collection alias if there is a conflict */
+    overwriteAlias?: boolean;
   };
   /** @description The definition of a backup restore response body */
   BackupRestoreResponse: {
@@ -1789,7 +1817,9 @@ export interface definitions {
       | 'WithinGeoRange'
       | 'IsNull'
       | 'ContainsAny'
-      | 'ContainsAll';
+      | 'ContainsAll'
+      | 'ContainsNone'
+      | 'Not';
     /**
      * @description path to the property currently being filtered
      * @example [
@@ -2827,6 +2857,42 @@ export interface operations {
       };
     };
   };
+  /** Retrieves a list of all groups that have been assigned a specific role, identified by its name. */
+  getGroupsForRole: {
+    parameters: {
+      path: {
+        /** The unique name of the role. */
+        id: string;
+      };
+    };
+    responses: {
+      /** Successfully retrieved the list of groups that have the role assigned. */
+      200: {
+        schema: ({
+          groupId?: string;
+          groupType: definitions['GroupType'];
+        } & {
+          name: unknown;
+        })[];
+      };
+      /** Bad request */
+      400: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** Unauthorized or invalid credentials. */
+      401: unknown;
+      /** Forbidden */
+      403: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** The specified role was not found. */
+      404: unknown;
+      /** An error has occurred while trying to fulfill the request. Most likely the ErrorResponse will contain more information about the error. */
+      500: {
+        schema: definitions['ErrorResponse'];
+      };
+    };
+  };
   getRolesForUserDeprecated: {
     parameters: {
       path: {
@@ -2985,6 +3051,7 @@ export interface operations {
         body: {
           /** @description the roles that assigned to group */
           roles?: string[];
+          groupType?: definitions['GroupType'];
         };
       };
     };
@@ -3019,6 +3086,7 @@ export interface operations {
         body: {
           /** @description the roles that revoked from group */
           roles?: string[];
+          groupType?: definitions['GroupType'];
         };
       };
     };
@@ -3043,6 +3111,80 @@ export interface operations {
       };
     };
   };
+  /** Retrieves a list of all roles assigned to a specific group. The group must be identified by both its name (`id`) and its type (`db` or `oidc`). */
+  getRolesForGroup: {
+    parameters: {
+      path: {
+        /** The unique name of the group. */
+        id: string;
+        /** The type of the group. */
+        groupType: 'oidc';
+      };
+      query: {
+        /** If true, the response will include the full role definitions with all associated permissions. If false, only role names are returned. */
+        includeFullRoles?: boolean;
+      };
+    };
+    responses: {
+      /** A list of roles assigned to the specified group. */
+      200: {
+        schema: definitions['RolesListResponse'];
+      };
+      /** Bad request */
+      400: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** Unauthorized or invalid credentials. */
+      401: unknown;
+      /** Forbidden */
+      403: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** The specified group was not found. */
+      404: unknown;
+      /** The request syntax is correct, but the server couldn't process it due to semantic issues. */
+      422: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** An error has occurred while trying to fulfill the request. Most likely the ErrorResponse will contain more information about the error. */
+      500: {
+        schema: definitions['ErrorResponse'];
+      };
+    };
+  };
+  /** Retrieves a list of all available group names for a specified group type (`oidc` or `db`). */
+  getGroups: {
+    parameters: {
+      path: {
+        /** The type of group to retrieve. */
+        groupType: 'oidc';
+      };
+    };
+    responses: {
+      /** A list of group names for the specified type. */
+      200: {
+        schema: string[];
+      };
+      /** Bad request */
+      400: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** Unauthorized or invalid credentials. */
+      401: unknown;
+      /** Forbidden */
+      403: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** The request syntax is correct, but the server couldn't process it due to semantic issues. */
+      422: {
+        schema: definitions['ErrorResponse'];
+      };
+      /** An error has occurred while trying to fulfill the request. Most likely the ErrorResponse will contain more information about the error. */
+      500: {
+        schema: definitions['ErrorResponse'];
+      };
+    };
+  };
   /** Lists all Objects in reverse order of creation, owned by the user that belongs to the used token. */
   'objects.list': {
     parameters: {