diff --git a/src/Umbraco.Web.UI.Client/src/packages/data-type/repository/detail/server-data-source/data-type-detail.server.request-manager.ts b/src/Umbraco.Web.UI.Client/src/packages/data-type/repository/detail/server-data-source/data-type-detail.server.request-manager.ts
index 03e70ef346..312a808616 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/data-type/repository/detail/server-data-source/data-type-detail.server.request-manager.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/data-type/repository/detail/server-data-source/data-type-detail.server.request-manager.ts
@@ -9,7 +9,7 @@ import {
 } from '@umbraco-cms/backoffice/external/backend-api';
 import {
 	UmbManagementApiDetailDataRequestManager,
-	UmbManagementApiInflightRequestCache,
+	UmbManagementApiInFlightRequestCache,
 } from '@umbraco-cms/backoffice/management-api';
 
 export class UmbManagementApiDataTypeDetailDataRequestManager extends UmbManagementApiDetailDataRequestManager<
@@ -17,7 +17,7 @@ export class UmbManagementApiDataTypeDetailDataRequestManager extends UmbManagem
 	UpdateDataTypeRequestModel,
 	CreateDataTypeRequestModel
 > {
-	static #inflightRequestCache = new UmbManagementApiInflightRequestCache<DataTypeResponseModel>();
+	static #inflightRequestCache = new UmbManagementApiInFlightRequestCache<DataTypeResponseModel>();
 
 	constructor(host: UmbControllerHost) {
 		super(host, {
diff --git a/src/Umbraco.Web.UI.Client/src/packages/documents/document-types/repository/detail/server-data-source/document-type-detail.server.request-manager.ts b/src/Umbraco.Web.UI.Client/src/packages/documents/document-types/repository/detail/server-data-source/document-type-detail.server.request-manager.ts
index ca22ff6cf1..1dcef4a61d 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/documents/document-types/repository/detail/server-data-source/document-type-detail.server.request-manager.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/documents/document-types/repository/detail/server-data-source/document-type-detail.server.request-manager.ts
@@ -9,7 +9,7 @@ import {
 } from '@umbraco-cms/backoffice/external/backend-api';
 import {
 	UmbManagementApiDetailDataRequestManager,
-	UmbManagementApiInflightRequestCache,
+	UmbManagementApiInFlightRequestCache,
 } from '@umbraco-cms/backoffice/management-api';
 
 export class UmbManagementApiDocumentTypeDetailDataRequestManager extends UmbManagementApiDetailDataRequestManager<
@@ -17,7 +17,7 @@ export class UmbManagementApiDocumentTypeDetailDataRequestManager extends UmbMan
 	UpdateDocumentTypeRequestModel,
 	CreateDocumentTypeRequestModel
 > {
-	static #inflightRequestCache = new UmbManagementApiInflightRequestCache<DocumentTypeResponseModel>();
+	static #inflightRequestCache = new UmbManagementApiInFlightRequestCache<DocumentTypeResponseModel>();
 
 	constructor(host: UmbControllerHost) {
 		super(host, {
diff --git a/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/cache.ts b/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/cache.ts
index 7d7cec8866..fab3fe2570 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/cache.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/cache.ts
@@ -1,7 +1,8 @@
 // Keep internal
-interface UmbCacheEntryModel<DetailDataModelType> {
+interface UmbDetailCacheEntryModel<DetailDataModelType> {
 	id: string;
 	data: DetailDataModelType;
+	timestamp: string;
 }
 
 /**
@@ -10,7 +11,7 @@ interface UmbCacheEntryModel<DetailDataModelType> {
  * @template DetailDataModelType
  */
 export class UmbManagementApiDetailDataCache<DetailDataModelType> {
-	#entries: Map<string, UmbCacheEntryModel<DetailDataModelType>> = new Map();
+	#entries: Map<string, UmbDetailCacheEntryModel<DetailDataModelType>> = new Map();
 
 	/**
 	 * Checks if an entry exists in the cache
@@ -29,9 +30,10 @@ export class UmbManagementApiDetailDataCache<DetailDataModelType> {
 	 * @memberof UmbManagementApiDetailDataCache
 	 */
 	set(id: string, data: DetailDataModelType): void {
-		const cacheEntry: UmbCacheEntryModel<DetailDataModelType> = {
+		const cacheEntry: UmbDetailCacheEntryModel<DetailDataModelType> = {
 			id: id,
 			data,
+			timestamp: new Date().toISOString(),
 		};
 
 		this.#entries.set(id, cacheEntry);
diff --git a/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/detail-data.request-manager.ts b/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/detail-data.request-manager.ts
index 37d501d991..cf33e0c4f5 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/detail-data.request-manager.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/management-api/detail/detail-data.request-manager.ts
@@ -1,5 +1,5 @@
 import { UMB_MANAGEMENT_API_SERVER_EVENT_CONTEXT } from '../server-event/constants.js';
-import type { UmbManagementApiInflightRequestCache } from '../inflight-request/cache.js';
+import type { UmbManagementApiInFlightRequestCache } from '../inflight-request/cache.js';
 import type { UmbManagementApiDetailDataCache } from './cache.js';
 import {
 	tryExecute,
@@ -21,7 +21,7 @@ export interface UmbManagementApiDetailDataRequestManagerArgs<
 	update: (id: string, data: UpdateRequestModelType) => Promise<UmbApiResponse<{ data: unknown }>>;
 	delete: (id: string) => Promise<UmbApiResponse<{ data: unknown }>>;
 	dataCache: UmbManagementApiDetailDataCache<DetailResponseModelType>;
-	inflightRequestCache: UmbManagementApiInflightRequestCache<DetailResponseModelType>;
+	inflightRequestCache: UmbManagementApiInFlightRequestCache<DetailResponseModelType>;
 }
 
 export class UmbManagementApiDetailDataRequestManager<
@@ -30,7 +30,7 @@ export class UmbManagementApiDetailDataRequestManager<
 	UpdateRequestModelType,
 > extends UmbControllerBase {
 	#dataCache: UmbManagementApiDetailDataCache<DetailResponseModelType>;
-	#inflightRequestCache: UmbManagementApiInflightRequestCache<DetailResponseModelType>;
+	#inflightRequestCache: UmbManagementApiInFlightRequestCache<DetailResponseModelType>;
 
 	#create;
 	#read;
@@ -86,11 +86,13 @@ export class UmbManagementApiDetailDataRequestManager<
 			const hasInflightRequest = this.#inflightRequestCache.has(inflightCacheKey);
 
 			const request = hasInflightRequest
-				? this.#inflightRequestCache.get(inflightCacheKey)
+				? this.#inflightRequestCache.get(inflightCacheKey)?.requestPromise
 				: tryExecute(this, this.#read(id));
 
 			if (!request) {
-				throw new Error(`Failed to create or retrieve 'read' request for ID: ${id} (cache key: ${inflightCacheKey}). Aborting read.`);
+				throw new Error(
+					`Failed to create or retrieve 'read' request for ID: ${id} (cache key: ${inflightCacheKey}). Aborting read.`,
+				);
 			}
 
 			this.#inflightRequestCache.set(inflightCacheKey, request);
diff --git a/src/Umbraco.Web.UI.Client/src/packages/management-api/inflight-request/cache.ts b/src/Umbraco.Web.UI.Client/src/packages/management-api/inflight-request/cache.ts
index d1ba9a7441..b235aa5faa 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/management-api/inflight-request/cache.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/management-api/inflight-request/cache.ts
@@ -1,5 +1,11 @@
 import type { UmbApiResponse } from '@umbraco-cms/backoffice/resources';
 
+interface UmbInFlightRequestCacheEntryModel<ResponseModelType> {
+	key: string;
+	requestPromise: Promise<RequestResolvedType<ResponseModelType>>;
+	timestamp: string;
+}
+
 // Keep internal
 type RequestResolvedType<ResponseModelType> = UmbApiResponse<{ data?: ResponseModelType }>;
 
@@ -8,8 +14,8 @@ type RequestResolvedType<ResponseModelType> = UmbApiResponse<{ data?: ResponseMo
  * @class UmbManagementApiInflightRequestCache
  * @template ResponseModelType
  */
-export class UmbManagementApiInflightRequestCache<ResponseModelType> {
-	#entries = new Map<string, Promise<RequestResolvedType<ResponseModelType>>>();
+export class UmbManagementApiInFlightRequestCache<ResponseModelType> {
+	#entries = new Map<string, UmbInFlightRequestCacheEntryModel<ResponseModelType>>();
 
 	/**
 	 * Checks if an entry exists in the cache
@@ -28,7 +34,11 @@ export class UmbManagementApiInflightRequestCache<ResponseModelType> {
 	 * @memberof UmbManagementApiInflightRequestCache
 	 */
 	set(key: string, promise: Promise<RequestResolvedType<ResponseModelType>>): void {
-		this.#entries.set(key, promise);
+		this.#entries.set(key, {
+			key,
+			requestPromise: promise,
+			timestamp: new Date().toISOString(),
+		});
 	}
 
 	/**
@@ -37,7 +47,7 @@ export class UmbManagementApiInflightRequestCache<ResponseModelType> {
 	 * @returns {Promise<RequestResolvedType<ResponseModelType>> | undefined} - The cached promise or undefined if not found
 	 * @memberof UmbManagementApiInflightRequestCache
 	 */
-	get(key: string): Promise<RequestResolvedType<ResponseModelType>> | undefined {
+	get(key: string): UmbInFlightRequestCacheEntryModel<ResponseModelType> | undefined {
 		return this.#entries.get(key);
 	}
 
diff --git a/src/Umbraco.Web.UI.Client/src/packages/management-api/item/cache.ts b/src/Umbraco.Web.UI.Client/src/packages/management-api/item/cache.ts
index 171af2c5ca..b1825f9643 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/management-api/item/cache.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/management-api/item/cache.ts
@@ -1,7 +1,8 @@
 // Keep internal
-interface UmbCacheEntryModel<ItemDataModelType> {
+interface UmbItemCacheEntryModel<ItemDataModelType> {
 	id: string;
 	data: ItemDataModelType;
+	timestamp: string;
 }
 
 /**
@@ -10,7 +11,7 @@ interface UmbCacheEntryModel<ItemDataModelType> {
  * @template ItemDataModelType
  */
 export class UmbManagementApiItemDataCache<ItemDataModelType> {
-	#entries: Map<string, UmbCacheEntryModel<ItemDataModelType>> = new Map();
+	#entries: Map<string, UmbItemCacheEntryModel<ItemDataModelType>> = new Map();
 
 	/**
 	 * Checks if an entry exists in the cache
@@ -29,9 +30,10 @@ export class UmbManagementApiItemDataCache<ItemDataModelType> {
 	 * @memberof UmbManagementApiItemDataCache
 	 */
 	set(id: string, data: ItemDataModelType): void {
-		const cacheEntry: UmbCacheEntryModel<ItemDataModelType> = {
+		const cacheEntry: UmbItemCacheEntryModel<ItemDataModelType> = {
 			id: id,
 			data,
+			timestamp: new Date().toISOString(),
 		};
 
 		this.#entries.set(id, cacheEntry);
diff --git a/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/server-event.context.ts b/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/server-event.context.ts
index 1e08e907b2..cb426880a3 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/server-event.context.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/server-event.context.ts
@@ -94,8 +94,13 @@ export class UmbManagementApiServerEventContext extends UmbContextBase {
 			})
 			.build();
 
-		this.#connection.on('notify', (payload: UmbManagementApiServerEventModel) => {
-			this.#events.next(payload);
+		this.#connection.on('notify', (payload) => {
+			const event: UmbManagementApiServerEventModel = {
+				...payload,
+				clientTimestamp: new Date().toISOString(),
+			};
+
+			this.#events.next(event);
 		});
 
 		this.#connection
diff --git a/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/types.ts b/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/types.ts
index 5a0341345d..2ab17ee342 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/types.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/management-api/server-event/global-context/types.ts
@@ -2,4 +2,5 @@ export interface UmbManagementApiServerEventModel {
 	eventSource: string;
 	eventType: string;
 	key: string;
+	clientTimestamp: string;
 }