diff --git a/apps/meteor/server/api/v1/omnichannel/departments.ts b/apps/meteor/server/api/v1/omnichannel/departments.ts
index 577138c399b16..bb5506758b4d7 100644
--- a/apps/meteor/server/api/v1/omnichannel/departments.ts
+++ b/apps/meteor/server/api/v1/omnichannel/departments.ts
@@ -18,6 +18,7 @@ import {
 	findArchivedDepartments,
 } from './lib/departments';
 import { hasPermissionAsync } from '../../../lib/authorization/hasPermission';
+import { apiDeprecationLogger } from '../../../lib/deprecationWarningLogger';
 import {
 	saveDepartment,
 	archiveDepartment,
@@ -254,10 +255,16 @@ API.v1.addRoute(
 				return API.v1.failure("The 'selector' param is required");
 			}
 
+			const parsedSelector = JSON.parse(selector);
+
+			if (parsedSelector.conditions && Object.keys(parsedSelector.conditions).length > 0) {
+				apiDeprecationLogger.parameter(this.route, 'conditions', '9.0.0', this.response);
+			}
+
 			return API.v1.success(
 				await findDepartmentsToAutocomplete({
 					uid: this.userId,
-					selector: JSON.parse(selector),
+					selector: parsedSelector,
 					onlyMyDepartments: onlyMyDepartments === 'true',
 					showArchived: showArchived === 'true',
 				}),
diff --git a/apps/meteor/server/api/v1/omnichannel/visitors.ts b/apps/meteor/server/api/v1/omnichannel/visitors.ts
index bf96ad8d36193..3b48259b171cc 100644
--- a/apps/meteor/server/api/v1/omnichannel/visitors.ts
+++ b/apps/meteor/server/api/v1/omnichannel/visitors.ts
@@ -20,6 +20,7 @@ import {
 	findVisitorsByEmailOrPhoneOrNameOrUsernameOrCustomField,
 } from './lib/visitors';
 import { canAccessRoomAsync } from '../../../lib/authorization';
+import { apiDeprecationLogger } from '../../../lib/deprecationWarningLogger';
 import { normalizeMessagesForUser } from '../../../lib/utils/lib/normalizeMessagesForUser';
 import { getPaginationItems } from '../../lib/getPaginationItems';
 
@@ -120,10 +121,15 @@ API.v1.addRoute(
 	{
 		async get() {
 			const { selector } = this.queryParams;
+			const parsedSelector = JSON.parse(selector);
+
+			if (parsedSelector.conditions && Object.keys(parsedSelector.conditions).length > 0) {
+				apiDeprecationLogger.parameter(this.route, 'conditions', '9.0.0', this.response);
+			}
 
 			return API.v1.success(
 				await findVisitorsToAutocomplete({
-					selector: JSON.parse(selector),
+					selector: parsedSelector,
 				}),
 			);
 		},
diff --git a/apps/meteor/tests/e2e/federation/tests/messaging/threads.spec.ts b/apps/meteor/tests/e2e/federation/tests/messaging/threads.spec.ts
index 4972b4c40106c..7a0769275a886 100644
--- a/apps/meteor/tests/e2e/federation/tests/messaging/threads.spec.ts
+++ b/apps/meteor/tests/e2e/federation/tests/messaging/threads.spec.ts
@@ -8,7 +8,7 @@ import { formatIntoFullMatrixUsername, formatUsernameAndDomainIntoMatrixFormat }
 import { registerUser } from '../../utils/register-user';
 import { test, expect, setupTesting, tearDownTesting } from '../../utils/test';
 
-test.describe.only('Federation - Threads', () => {
+test.describe('Federation - Threads', () => {
 	let poFederationChannelServer1: FederationChannel;
 	let poFederationChannelServer2: FederationChannel;
 	let userFromServer2UsernameOnly: string;