diff --git a/src/renderer/components/+custom-resources/crd-resources.tsx b/src/renderer/components/+custom-resources/crd-resources.tsx
index 2bae92b8d4..1503267c24 100644
--- a/src/renderer/components/+custom-resources/crd-resources.tsx
+++ b/src/renderer/components/+custom-resources/crd-resources.tsx
@@ -30,7 +30,7 @@ export class CrdResources extends React.Component<Props> {
         const { store } = this;
 
         if (store && !store.isLoading && !store.isLoaded) {
-          store.loadSelectedNamespaces();
+          store.loadContextNamespaces();
         }
       })
     ]);
diff --git a/src/renderer/components/+events/kube-event-details.tsx b/src/renderer/components/+events/kube-event-details.tsx
index 60821d416d..b8b3058fb0 100644
--- a/src/renderer/components/+events/kube-event-details.tsx
+++ b/src/renderer/components/+events/kube-event-details.tsx
@@ -14,7 +14,7 @@ export interface KubeEventDetailsProps {
 @observer
 export class KubeEventDetails extends React.Component<KubeEventDetailsProps> {
   async componentDidMount() {
-    eventStore.loadSelectedNamespaces();
+    eventStore.loadContextNamespaces();
   }
 
   render() {
diff --git a/src/renderer/components/+namespaces/namespace-details.tsx b/src/renderer/components/+namespaces/namespace-details.tsx
index e7397b6a5e..c7a4a0e845 100644
--- a/src/renderer/components/+namespaces/namespace-details.tsx
+++ b/src/renderer/components/+namespaces/namespace-details.tsx
@@ -32,8 +32,8 @@ export class NamespaceDetails extends React.Component<Props> {
   }
 
   componentDidMount() {
-    resourceQuotaStore.loadSelectedNamespaces();
-    limitRangeStore.loadSelectedNamespaces();
+    resourceQuotaStore.loadContextNamespaces();
+    limitRangeStore.loadContextNamespaces();
   }
 
   render() {
diff --git a/src/renderer/components/+namespaces/namespace.store.ts b/src/renderer/components/+namespaces/namespace.store.ts
index c56043766a..2b5cf3cbbc 100644
--- a/src/renderer/components/+namespaces/namespace.store.ts
+++ b/src/renderer/components/+namespaces/namespace.store.ts
@@ -103,8 +103,20 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
     return [];
   }
 
-  public getContextNamespaces(): string[] {
-    return Array.from(this.contextNs);
+  getContextNamespaces(): string[] {
+    const namespaces = Array.from(this.contextNs);
+
+    // show all namespaces when nothing selected
+    if (!namespaces.length) {
+      // return actual namespaces list since "allowedNamespaces" updating every 30s in cluster and thus might be stale
+      if (this.isLoaded) {
+        return this.items.map(namespace => namespace.getName());
+      }
+
+      return this.allowedNamespaces;
+    }
+
+    return namespaces;
   }
 
   getSubscribeApis() {
@@ -139,6 +151,11 @@ export class NamespaceStore extends KubeObjectStore<Namespace> {
     this.contextNs.replace(namespaces);
   }
 
+  @action
+  resetContext(){
+    this.contextNs.clear();
+  }
+
   hasContext(namespaces: string | string[]) {
     return [namespaces].flat().every(namespace => this.contextNs.has(namespace));
   }
diff --git a/src/renderer/components/+nodes/node-details.tsx b/src/renderer/components/+nodes/node-details.tsx
index d4208c4545..fb5da8b20f 100644
--- a/src/renderer/components/+nodes/node-details.tsx
+++ b/src/renderer/components/+nodes/node-details.tsx
@@ -29,7 +29,7 @@ export class NodeDetails extends React.Component<Props> {
   });
 
   async componentDidMount() {
-    podsStore.loadSelectedNamespaces();
+    podsStore.loadContextNamespaces();
   }
 
   componentWillUnmount() {
diff --git a/src/renderer/components/+user-management-roles-bindings/add-role-binding-dialog.tsx b/src/renderer/components/+user-management-roles-bindings/add-role-binding-dialog.tsx
index 808cef90d6..97e4f9d9e3 100644
--- a/src/renderer/components/+user-management-roles-bindings/add-role-binding-dialog.tsx
+++ b/src/renderer/components/+user-management-roles-bindings/add-role-binding-dialog.tsx
@@ -80,7 +80,7 @@ export class AddRoleBindingDialog extends React.Component<Props> {
     ];
 
     this.isLoading = true;
-    await Promise.all(stores.map(store => store.loadSelectedNamespaces()));
+    await Promise.all(stores.map(store => store.loadContextNamespaces()));
     this.isLoading = false;
   }
 
diff --git a/src/renderer/components/+workloads-cronjobs/cronjob-details.tsx b/src/renderer/components/+workloads-cronjobs/cronjob-details.tsx
index 4daff4abed..c5c31ef3d2 100644
--- a/src/renderer/components/+workloads-cronjobs/cronjob-details.tsx
+++ b/src/renderer/components/+workloads-cronjobs/cronjob-details.tsx
@@ -20,7 +20,7 @@ interface Props extends KubeObjectDetailsProps<CronJob> {
 @observer
 export class CronJobDetails extends React.Component<Props> {
   async componentDidMount() {
-    jobStore.loadSelectedNamespaces();
+    jobStore.loadContextNamespaces();
   }
 
   render() {
diff --git a/src/renderer/components/+workloads-daemonsets/daemonset-details.tsx b/src/renderer/components/+workloads-daemonsets/daemonset-details.tsx
index ab3269ede5..4435f718ec 100644
--- a/src/renderer/components/+workloads-daemonsets/daemonset-details.tsx
+++ b/src/renderer/components/+workloads-daemonsets/daemonset-details.tsx
@@ -30,7 +30,7 @@ export class DaemonSetDetails extends React.Component<Props> {
   });
 
   componentDidMount() {
-    podsStore.loadSelectedNamespaces();
+    podsStore.loadContextNamespaces();
   }
 
   componentWillUnmount() {
diff --git a/src/renderer/components/+workloads-deployments/deployment-details.tsx b/src/renderer/components/+workloads-deployments/deployment-details.tsx
index e22137ea67..72f2013c9b 100644
--- a/src/renderer/components/+workloads-deployments/deployment-details.tsx
+++ b/src/renderer/components/+workloads-deployments/deployment-details.tsx
@@ -31,7 +31,7 @@ export class DeploymentDetails extends React.Component<Props> {
   });
 
   componentDidMount() {
-    podsStore.loadSelectedNamespaces();
+    podsStore.loadContextNamespaces();
   }
 
   componentWillUnmount() {
diff --git a/src/renderer/components/+workloads-jobs/job-details.tsx b/src/renderer/components/+workloads-jobs/job-details.tsx
index 4ce4a9bc61..1dce500fe6 100644
--- a/src/renderer/components/+workloads-jobs/job-details.tsx
+++ b/src/renderer/components/+workloads-jobs/job-details.tsx
@@ -25,7 +25,7 @@ interface Props extends KubeObjectDetailsProps<Job> {
 @observer
 export class JobDetails extends React.Component<Props> {
   async componentDidMount() {
-    podsStore.loadSelectedNamespaces();
+    podsStore.loadContextNamespaces();
   }
 
   render() {
diff --git a/src/renderer/components/+workloads-replicasets/replicaset-details.tsx b/src/renderer/components/+workloads-replicasets/replicaset-details.tsx
index f427d78e9d..6b68ffa02d 100644
--- a/src/renderer/components/+workloads-replicasets/replicaset-details.tsx
+++ b/src/renderer/components/+workloads-replicasets/replicaset-details.tsx
@@ -29,7 +29,7 @@ export class ReplicaSetDetails extends React.Component<Props> {
   });
 
   async componentDidMount() {
-    podsStore.loadSelectedNamespaces();
+    podsStore.loadContextNamespaces();
   }
 
   componentWillUnmount() {
diff --git a/src/renderer/components/+workloads-statefulsets/statefulset-details.tsx b/src/renderer/components/+workloads-statefulsets/statefulset-details.tsx
index 780572eb96..3088516114 100644
--- a/src/renderer/components/+workloads-statefulsets/statefulset-details.tsx
+++ b/src/renderer/components/+workloads-statefulsets/statefulset-details.tsx
@@ -30,7 +30,7 @@ export class StatefulSetDetails extends React.Component<Props> {
   });
 
   componentDidMount() {
-    podsStore.loadSelectedNamespaces();
+    podsStore.loadContextNamespaces();
   }
 
   componentWillUnmount() {
diff --git a/src/renderer/components/layout/sidebar.tsx b/src/renderer/components/layout/sidebar.tsx
index 20c401ab4f..c3fc715a7c 100644
--- a/src/renderer/components/layout/sidebar.tsx
+++ b/src/renderer/components/layout/sidebar.tsx
@@ -40,7 +40,7 @@ interface Props {
 @observer
 export class Sidebar extends React.Component<Props> {
   async componentDidMount() {
-    crdStore.loadSelectedNamespaces();
+    crdStore.loadContextNamespaces();
   }
 
   renderCustomResources() {
diff --git a/src/renderer/item.store.ts b/src/renderer/item.store.ts
index 40df2282fd..f7a4e0e94e 100644
--- a/src/renderer/item.store.ts
+++ b/src/renderer/item.store.ts
@@ -22,13 +22,17 @@ export abstract class ItemStore<T extends ItemObject = ItemObject> {
     return this.items.filter(item => this.selectedItemsIds.get(item.getId()));
   }
 
+  public getItems(): T[] {
+    return this.items.toJS();
+  }
+
   getByName(name: string, ...args: any[]): T;
   getByName(name: string): T {
     return this.items.find(item => item.getName() === name);
   }
 
-  getIndex(item: T): number {
-    return this.items.findIndex(i => i === item);
+  getIndexById(id: string): number {
+    return this.items.findIndex(item => item.getId() === id);
   }
 
   @action
diff --git a/src/renderer/kube-object.store.ts b/src/renderer/kube-object.store.ts
index 9fe51d6ab4..eb76d72d30 100644
--- a/src/renderer/kube-object.store.ts
+++ b/src/renderer/kube-object.store.ts
@@ -1,5 +1,7 @@
 import type { Cluster } from "../main/cluster";
-import { action, observable, reaction } from "mobx";
+import type { NamespaceStore } from "./components/+namespaces/namespace.store";
+
+import { action, computed, observable, reaction } from "mobx";
 import { autobind } from "./utils";
 import { KubeObject } from "./api/kube-object";
 import { IKubeWatchEvent, IKubeWatchMessage, kubeWatchApi } from "./api/kube-watch-api";
@@ -24,6 +26,36 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
     this.bindWatchEventsUpdater();
   }
 
+  // TODO: detach / remove circular dependency
+  @observable.ref private namespaceStore: NamespaceStore;
+
+  private async resolveNamespaceStore(): Promise<NamespaceStore> {
+    const { namespaceStore } = await import("./components/+namespaces/namespace.store");
+
+    await namespaceStore.whenReady;
+    this.namespaceStore = namespaceStore;
+
+    return namespaceStore;
+  }
+
+  // TODO: detach / inject dependency as in kube-watch-api
+  @observable.ref private cluster: Cluster;
+
+  private async resolveCluster(): Promise<Cluster> {
+    const { getHostedCluster } = await import("../common/cluster-store");
+
+    this.cluster = getHostedCluster();
+
+    return this.cluster;
+  }
+
+  // TODO: figure out how to transparently replace with this.items
+  @computed get contextItems(): T[] {
+    const contextNamespaces = this.namespaceStore?.getContextNamespaces() ?? []; // not loaded
+
+    return this.items.filter((item: T) => !item.getNs() || contextNamespaces.includes(item.getId()));
+  }
+
   get query(): IKubeApiQueryParams {
     const { limit } = this;
 
@@ -79,12 +111,6 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
     }
   }
 
-  protected async resolveCluster(): Promise<Cluster> {
-    const { getHostedCluster } = await import("../common/cluster-store");
-
-    return getHostedCluster();
-  }
-
   protected async loadItems({ namespaces, api }: KubeObjectStoreLoadingParams): Promise<T[]> {
     const cluster = await this.resolveCluster();
 
@@ -106,23 +132,19 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
   }
 
   @action
-  async loadAll(namespaces: string[] = []): Promise<void> {
+  async loadAll(namespaces: string[] = [], { replace = true } = {}): Promise<void> {
     this.isLoading = true;
 
     try {
+      // load all available namespaces by default
       if (!namespaces.length) {
-        const { namespaceStore } = await import("./components/+namespaces/namespace.store");
+        const namespaceStore = await this.resolveNamespaceStore();
 
-        // load all available namespaces by default
-        namespaces.push(...namespaceStore.allowedNamespaces);
+        namespaces = namespaceStore.getContextNamespaces();
       }
 
       let items = await this.loadItems({ namespaces, api: this.api });
-
-      items = this.filterItemsOnLoad(items);
-      items = this.sortItems(items);
-
-      this.items.replace(items);
+      this.mergeItems(items, { replace });
       this.isLoaded = true;
     } catch (error) {
       console.error("Loading store items failed", { error, store: this });
@@ -132,10 +154,26 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
     }
   }
 
-  async loadSelectedNamespaces(): Promise<void> {
-    const { namespaceStore } = await import("./components/+namespaces/namespace.store");
+  @action
+  private mergeItems(partialItems: T[], { replace = false, sort = true, filter = true } = {}): T[] {
+    let items = this.items.toJS();
 
-    return this.loadAll(namespaceStore.getContextNamespaces());
+    partialItems.forEach(item => {
+      const index = items.findIndex(i => i.getId() === item.getId());
+
+      if (index < 0) items.push(item); // add
+      else items[index] = item; // update
+    });
+
+    if (filter) items = this.filterItemsOnLoad(items)
+    if (sort) items = this.sortItems(items);
+    if (replace) this.items.replace(items);
+
+    return items;
+  }
+
+  async loadContextNamespaces(): Promise<void> {
+    return this.loadAll(this.namespaceStore?.getContextNamespaces());
   }
 
   protected resetOnError(error: any) {
@@ -224,14 +262,11 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
 
   @action
   protected updateFromEventsBuffer() {
-    const eventsBuffer = this.eventsBuffer.clear();
+    const items = this.items.toJS();
 
-    if (!eventsBuffer.length) {
-      return;
-    }
-
-    for (const { type, object } of eventsBuffer) {
-      const item = this.getById(object.metadata?.uid);
+    for (const { type, object } of this.eventsBuffer.clear()) {
+      const index = items.findIndex(item => item.getId() === object.metadata?.uid);
+      const item = items[index];
       const api = apiManager.getApiByKind(object.kind, object.apiVersion);
 
       switch (type) {
@@ -240,22 +275,20 @@ export abstract class KubeObjectStore<T extends KubeObject = any> extends ItemSt
           const newItem = new api.objectConstructor(object);
 
           if (!item) {
-            this.items.push(newItem);
+            items.push(newItem);
           } else {
-            const index = this.getIndex(item);
-
-            this.items.splice(index, 1, newItem);
+            items[index] = newItem;
           }
           break;
         case "DELETED":
-          this.items.remove(item);
+          if (item) {
+            items.splice(index, 1);
+          }
           break;
       }
     }
 
-    // sort and limit items to store's maximum
-    const newItems = this.sortItems(this.items.slice(-this.bufferSize));
-
-    this.items.replace(newItems);
+    // update items
+    this.items.replace(this.sortItems(items.slice(-this.bufferSize)));
   }
 }