diff --git a/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs b/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs
index 8bf6d9666..e8d3e643c 100644
--- a/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs
+++ b/src/Squidex.Infrastructure/Assets/FolderAssetStore.cs
@@ -56,7 +56,7 @@ namespace Squidex.Infrastructure.Assets
 
             try
             {
-                using (var fileStream = file.OpenWrite())
+                using (var fileStream = file.OpenRead())
                 {
                     await fileStream.CopyToAsync(stream);
                 }
diff --git a/src/Squidex/Config/Domain/StoreMongoDbModule.cs b/src/Squidex/Config/Domain/StoreMongoDbModule.cs
index 8ff868297..de5f51eef 100644
--- a/src/Squidex/Config/Domain/StoreMongoDbModule.cs
+++ b/src/Squidex/Config/Domain/StoreMongoDbModule.cs
@@ -137,7 +137,6 @@ namespace Squidex.Config.Domain
             builder.RegisterType<MongoAppRepository>()
                 .WithParameter(ResolvedParameter.ForNamed<IMongoDatabase>(MongoDatabaseRegistration))
                 .As<IAppRepository>()
-                .As<IEventConsumer>()
                 .As<IExternalSystem>()
                 .AsSelf()
                 .SingleInstance();
diff --git a/src/Squidex/Controllers/Api/Apps/AppLanguagesController.cs b/src/Squidex/Controllers/Api/Apps/AppLanguagesController.cs
index ea5b76c7b..5a606f5d2 100644
--- a/src/Squidex/Controllers/Api/Apps/AppLanguagesController.cs
+++ b/src/Squidex/Controllers/Api/Apps/AppLanguagesController.cs
@@ -7,6 +7,7 @@
 // ==========================================================================
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authorization;
@@ -94,7 +95,7 @@ namespace Squidex.Controllers.Api.Apps
         {
             await CommandBus.PublishAsync(SimpleMapper.Map(request, new AddLanguage()));
 
-            var response = SimpleMapper.Map(request.Language, new AppLanguageDto());
+            var response = SimpleMapper.Map(request.Language, new AppLanguageDto { Fallback = new List<Language>() });
 
             return CreatedAtAction(nameof(GetLanguages), new { app }, response);
         }
diff --git a/src/Squidex/app/features/administration/pages/event-consumers/event-consumers-page.component.ts b/src/Squidex/app/features/administration/pages/event-consumers/event-consumers-page.component.ts
index 40cdf4ba3..7007735e6 100644
--- a/src/Squidex/app/features/administration/pages/event-consumers/event-consumers-page.component.ts
+++ b/src/Squidex/app/features/administration/pages/event-consumers/event-consumers-page.component.ts
@@ -55,13 +55,10 @@ export class EventConsumersPageComponent extends ComponentBase implements OnInit
     public start(name: string) {
         this.eventConsumersService.startEventConsumer(name)
             .subscribe(() => {
-                this.eventConsumers = this.eventConsumers.map(e => {
-                    if (e.name === name) {
-                        return new EventConsumerDto(name, e.lastHandledEventNumber, false, e.isResetting, e.error);
-                    } else {
-                        return e;
-                    }
-                });
+                this.eventConsumers =
+                    this.eventConsumers.replaceAll(
+                        e => e.name === name,
+                        e => new EventConsumerDto(name, e.lastHandledEventNumber, false, e.isResetting, e.error));
             }, error => {
                 this.notifyError(error);
             });
@@ -70,13 +67,10 @@ export class EventConsumersPageComponent extends ComponentBase implements OnInit
     public stop(name: string) {
         this.eventConsumersService.stopEventConsumer(name)
             .subscribe(() => {
-                this.eventConsumers = this.eventConsumers.map(e => {
-                    if (e.name === name) {
-                        return new EventConsumerDto(name, e.lastHandledEventNumber, true, e.isResetting, e.error);
-                    } else {
-                        return e;
-                    }
-                });
+                this.eventConsumers =
+                    this.eventConsumers.replaceAll(
+                        e => e.name === name,
+                        e => new EventConsumerDto(name, e.lastHandledEventNumber, true, e.isResetting, e.error));
             }, error => {
                 this.notifyError(error);
             });
@@ -85,13 +79,10 @@ export class EventConsumersPageComponent extends ComponentBase implements OnInit
     public reset(name: string) {
         this.eventConsumersService.resetEventConsumer(name)
             .subscribe(() => {
-                this.eventConsumers = this.eventConsumers.map(e => {
-                    if (e.name === name) {
-                        return new EventConsumerDto(name, e.lastHandledEventNumber, e.isStopped, true, e.error);
-                    } else {
-                        return e;
-                    }
-                });
+                this.eventConsumers =
+                    this.eventConsumers.replaceAll(
+                        e => e.name === name,
+                        e => new EventConsumerDto(name, e.lastHandledEventNumber, e.isStopped, true, e.error));
             }, error => {
                 this.notifyError(error);
             });
diff --git a/src/Squidex/app/features/administration/pages/users/users-page.component.ts b/src/Squidex/app/features/administration/pages/users/users-page.component.ts
index f31ceb210..330db72da 100644
--- a/src/Squidex/app/features/administration/pages/users/users-page.component.ts
+++ b/src/Squidex/app/features/administration/pages/users/users-page.component.ts
@@ -68,13 +68,10 @@ export class UsersPageComponent extends ComponentBase implements OnInit {
     public lock(id: string) {
         this.userManagementService.lockUser(id)
             .subscribe(() => {
-                this.usersItems = this.usersItems.map(u => {
-                    if (u.id === id) {
-                        return new UserDto(u.id, u.email, u.displayName, u.pictureUrl, true);
-                    } else {
-                        return u;
-                    }
-                });
+                this.usersItems =
+                    this.usersItems.replaceAll(
+                        u => u.id === id,
+                        u => new UserDto(u.id, u.email, u.displayName, u.pictureUrl, true));
             }, error => {
                 this.notifyError(error);
             });
@@ -83,13 +80,10 @@ export class UsersPageComponent extends ComponentBase implements OnInit {
     public unlock(id: string) {
         this.userManagementService.unlockUser(id)
             .subscribe(() => {
-                this.usersItems = this.usersItems.map(u => {
-                    if (u.id === id) {
-                        return new UserDto(u.id, u.email, u.displayName, u.pictureUrl, false);
-                    } else {
-                        return u;
-                    }
-                });
+                this.usersItems =
+                    this.usersItems.replaceAll(
+                        u => u.id === id,
+                        u => new UserDto(u.id, u.email, u.displayName, u.pictureUrl, false));
             }, error => {
                 this.notifyError(error);
             });
diff --git a/src/Squidex/app/features/assets/pages/assets-page.component.ts b/src/Squidex/app/features/assets/pages/assets-page.component.ts
index 0fd5b69e9..5950183c4 100644
--- a/src/Squidex/app/features/assets/pages/assets-page.component.ts
+++ b/src/Squidex/app/features/assets/pages/assets-page.component.ts
@@ -54,7 +54,10 @@ export class AssetsPageComponent extends AppComponentBase implements OnDestroy,
             this.messageBus.of(AssetUpdated)
                 .subscribe(event => {
                     if (event.sender !== this) {
-                        this.assetsItems = this.assetsItems.map(x => x.id === event.assetDto.id ? event.assetDto : x);
+                        this.assetsItems =
+                            this.assetsItems.replaceAll(
+                                a => a.id === event.assetDto.id,
+                                a => event.assetDto);
                     }
                 });
 
diff --git a/src/Squidex/app/features/content/pages/contents/content-item.component.ts b/src/Squidex/app/features/content/pages/contents/content-item.component.ts
index 0abbda076..661bd3420 100644
--- a/src/Squidex/app/features/content/pages/contents/content-item.component.ts
+++ b/src/Squidex/app/features/content/pages/contents/content-item.component.ts
@@ -74,7 +74,7 @@ export class ContentItemComponent extends AppComponentBase implements OnInit, On
         }
     }
 
-    public getValue(field: FieldDto): any {
+    private getValue(field: FieldDto): any {
         const contentField = this.content.data[field.name];
 
         if (!contentField) {
diff --git a/src/Squidex/app/features/schemas/pages/schema/field.component.html b/src/Squidex/app/features/schemas/pages/schema/field.component.html
index 7ee970201..892009258 100644
--- a/src/Squidex/app/features/schemas/pages/schema/field.component.html
+++ b/src/Squidex/app/features/schemas/pages/schema/field.component.html
@@ -1,5 +1,5 @@
-<div class="table-items-row field"> 
-    <div class="field-summary">        
+<div class="table-items-row table-items-row-expandable field"> 
+    <div class="table-items-row-summary">        
         <div class="row">
             <div class="col col-6">
                 <span class="field-name">
@@ -17,7 +17,7 @@
             </div>
             <div class="col col-3">
                 <div class="float-right">
-                    <button type="button" class="btn btn-secondary field-edit-button" [class.active]="isEditing" (click)="toggleEditing()">
+                    <button type="button" class="btn btn-secondary table-items-edit-button" [class.active]="isEditing" (click)="toggleEditing()">
                         <i class="icon-settings2"></i>
                     </button>
 
@@ -48,9 +48,9 @@
         </div>
     </div>
 
-    <div class="field-details" *ngIf="isEditing">
+    <div class="table-items-row-details" *ngIf="isEditing">
         <form [formGroup]="editForm" (ngSubmit)="save()">
-            <div class="field-details-tabs clearfix">
+            <div class="table-items-row-details-tabs clearfix">
                 <ul class="nav nav-inline nav-field-tabs">
                     <li class="nav-item">
                         <a class="nav-link" (click)="selectTab(0)" [class.active]="selectedTab === 0">Common</a>
@@ -69,7 +69,7 @@
                 </div>
             </div>
 
-            <div class="field-details-tab" [class.hidden]="selectedTab !== 0">
+            <div class="table-items-row-details-tab" [class.hidden]="selectedTab !== 0">
                 <div class="form-group row">
                     <label for="field-label" class="col col-3 col-form-label">Name</label>
 
@@ -131,7 +131,7 @@
                 </div>
             </div>
 
-            <div class="field-details-tab" [class.hidden]="selectedTab !== 1">
+            <div class="table-items-row-details-tab" [class.hidden]="selectedTab !== 1">
                 <div [ngSwitch]="field.properties.fieldType">
                     <div *ngSwitchCase="'Number'">
                         <sqx-number-validation [editForm]="editForm" [properties]="field.properties"></sqx-number-validation>
@@ -157,7 +157,7 @@
                 </div>
             </div>
 
-            <div class="field-details-tab" [class.hidden]="selectedTab !== 2">
+            <div class="table-items-row-details-tab" [class.hidden]="selectedTab !== 2">
                 <div [ngSwitch]="field.properties.fieldType">
                     <div *ngSwitchCase="'Number'">
                         <sqx-number-ui [editForm]="editForm" [properties]="field.properties"></sqx-number-ui>
diff --git a/src/Squidex/app/features/schemas/pages/schema/field.component.scss b/src/Squidex/app/features/schemas/pages/schema/field.component.scss
index 6b9f038a4..7a7fd0383 100644
--- a/src/Squidex/app/features/schemas/pages/schema/field.component.scss
+++ b/src/Squidex/app/features/schemas/pages/schema/field.component.scss
@@ -3,17 +3,7 @@
 
 $field-header: #e7ebef;
 
-.table-items-row {
-    padding: 0;
-}
-
 .field {
-    &-summary {
-        padding: 1rem 1.25rem;
-        position: relative;
-        line-height: 2.5rem;
-    }
-
     &-icon {
         margin-right: 1rem;
         color: $color-border-dark;
@@ -22,25 +12,6 @@ $field-header: #e7ebef;
         vertical-align: middle;
     }
 
-    &-edit-button {
-        & {
-            color: $color-theme-blue;
-            line-height: 1rem;
-            font-size: 1rem;
-            font-weight: normal;
-        }
-
-        &:hover {
-            color: $color-theme-blue-dark;
-        }
-
-        &.active {
-            background: $color-theme-blue;
-            border-color: $color-theme-blue;
-            color: $color-dark-foreground;
-        }
-    }
-
     &-name {
         @include truncate;
     }
@@ -49,36 +20,6 @@ $field-header: #e7ebef;
         color: $color-border-dark;
     }
 
-    &-hints {
-        color: lighten($color-text, 50%);
-        font-weight: normal;
-        font-size: .95rem;
-        margin-left: .3rem;
-    }
-
-    &-details {
-        & {
-            position: relative;
-        }
-
-        &::before {
-            @include caret-top;
-            @include absolute(-.5rem, 5.5rem, auto, auto);
-            border-color: transparent transparent $color-border;
-            border-width: .6rem;
-        }
-
-        &-tab {
-            padding: 1rem 1.25rem 1.25rem;
-        }
-
-        &-tabs {
-            background: $color-border;
-            position: relative;
-            padding: 1rem 1.25rem;
-        }
-    }
-
     .tag {
         @include opacity(.9);
         min-width: 4rem;
diff --git a/src/Squidex/app/features/schemas/pages/schemas/schemas-page.component.ts b/src/Squidex/app/features/schemas/pages/schemas/schemas-page.component.ts
index 7b7b5a07e..7efc33e06 100644
--- a/src/Squidex/app/features/schemas/pages/schemas/schemas-page.component.ts
+++ b/src/Squidex/app/features/schemas/pages/schemas/schemas-page.component.ts
@@ -78,7 +78,7 @@ export class SchemasPageComponent extends AppComponentBase implements OnDestroy,
         this.schemaUpdatedSubscription =
             this.messageBus.of(SchemaUpdated)
                 .subscribe(m => {
-                    this.updateSchemas(this.schemas.map(s => s.name === m.name ? updateSchema(s, this.authService, m) : s));
+                    this.updateSchemas(this.schemas.replaceAll(s => s.name === m.name, s => updateSchema(s, this.authService, m)));
                 });
 
         this.schemaDeletedSubscription =
diff --git a/src/Squidex/app/features/settings/pages/languages/language.component.html b/src/Squidex/app/features/settings/pages/languages/language.component.html
index 58f2e25dc..4c2bc1c32 100644
--- a/src/Squidex/app/features/settings/pages/languages/language.component.html
+++ b/src/Squidex/app/features/settings/pages/languages/language.component.html
@@ -1,5 +1,5 @@
-<div class="table-items-row language"> 
-    <div class="language-summary">        
+<div class="table-items-row table-items-row-expandable language"> 
+    <div class="table-items-row-summary">        
         <div class="row">
             <div class="col col-2">
                 <span class="language-code" [class.language-master]="language.isMaster">{{language.iso2Code}}</span>
@@ -9,7 +9,7 @@
             </div>
             <div class="col col-4">
                 <div class="float-right">
-                    <button type="button" class="btn btn-secondary language-edit-button" [class.active]="isEditing" (click)="toggleEditing()" *ngIf="!language.isMaster || allLanguages.length > 1">
+                    <button type="button" class="btn btn-secondary table-items-edit-button" [class.active]="isEditing" (click)="toggleEditing()" *ngIf="!language.isMaster || allLanguages.length > 1">
                         <i class="icon-settings2"></i>
                     </button>
 
@@ -21,16 +21,16 @@
         </div>
     </div>
 
-    <div class="language-details" *ngIf="isEditing">
+    <div class="table-items-row-details" *ngIf="isEditing">
         <form [formGroup]="editForm" (ngSubmit)="save()">
-            <div class="language-details-tabs clearfix">
+            <div class="table-items-row-details-tabs clearfix">
                 <div class="float-right">
                     <button type="reset" class="btn btn-link" (click)="cancel()">Cancel</button>
                     <button type="submit" class="btn btn-primary">Save</button>
                 </div>
             </div>
 
-            <div class="language-details-tab">
+            <div class="table-items-row-details-tab">
                 <div class="form-group row" *ngIf="allLanguages.length > 1">
                     <label for="field-label" class="col col-3 col-form-label fallback-label">Fallback</label>
 
@@ -67,7 +67,7 @@
                     </div>
                 </div>
 
-                <div class="form-check offset-3 col col-9" *ngIf="!language.isMaster">
+                <div class="form-check offset-3 col col-9" *ngIf="!isMaster">
                     <label class="form-check-label">
                         <input class="form-check-input" type="checkbox" formControlName="isOptional"> Is Optional
                     </label>
diff --git a/src/Squidex/app/features/settings/pages/languages/language.component.scss b/src/Squidex/app/features/settings/pages/languages/language.component.scss
index d4f7b2d16..bcedc32dd 100644
--- a/src/Squidex/app/features/settings/pages/languages/language.component.scss
+++ b/src/Squidex/app/features/settings/pages/languages/language.component.scss
@@ -3,36 +3,7 @@
 
 $field-header: #e7ebef;
 
-.table-items-row {
-    padding: 0;
-}
-
 .language {
-    &-summary {
-        padding: 1rem 1.25rem;
-        position: relative;
-        line-height: 2.5rem;
-    }
-
-    &-edit-button {
-        & {
-            color: $color-theme-blue;
-            line-height: 1rem;
-            font-size: 1rem;
-            font-weight: normal;
-        }
-
-        &:hover {
-            color: $color-theme-blue-dark;
-        }
-
-        &.active {
-            background: $color-theme-blue;
-            border-color: $color-theme-blue;
-            color: $color-dark-foreground;
-        }
-    }
-
     &-name {
         @include truncate;
     }
@@ -40,29 +11,6 @@ $field-header: #e7ebef;
     &-master {
         font-weight: bold;
     }
-
-    &-details {
-        & {
-            position: relative;
-        }
-
-        &::before {
-            @include caret-top;
-            @include absolute(-.5rem, 5.5rem, auto, auto);
-            border-color: transparent transparent $color-border;
-            border-width: .6rem;
-        }
-
-        &-tab {
-            padding: 1rem 1.25rem 1.25rem;
-        }
-
-        &-tabs {
-            background: $color-border;
-            position: relative;
-            padding: 1rem 1.25rem;
-        }
-    }
 }
 
 .btn-danger {
diff --git a/src/Squidex/app/features/settings/pages/languages/language.component.ts b/src/Squidex/app/features/settings/pages/languages/language.component.ts
index 88441683d..f15011a23 100644
--- a/src/Squidex/app/features/settings/pages/languages/language.component.ts
+++ b/src/Squidex/app/features/settings/pages/languages/language.component.ts
@@ -5,8 +5,9 @@
  * Copyright (c) Sebastian Stehle. All rights reserved
  */
 
-import { Component, EventEmitter, Input, OnChanges, Output, OnInit } from '@angular/core';
+import { Component, EventEmitter, Input, OnChanges, OnDestroy, Output, OnInit } from '@angular/core';
 import { FormBuilder, FormGroup, Validators } from '@angular/forms';
+import { Subscription } from 'rxjs';
 
 import {
     AppLanguageDto,
@@ -22,7 +23,9 @@ import {
         fadeAnimation
     ]
 })
-export class LanguageComponent implements OnInit, OnChanges {
+export class LanguageComponent implements OnInit, OnChanges, OnDestroy {
+    private isMasterSubscription: Subscription;
+
     @Input()
     public language: AppLanguageDto;
 
@@ -40,6 +43,7 @@ export class LanguageComponent implements OnInit, OnChanges {
     public fallbackLanguages: AppLanguageDto[] = [];
 
     public isEditing = false;
+    public isMaster = false;
 
     public editFormSubmitted = false;
     public editForm: FormGroup =
@@ -61,9 +65,20 @@ export class LanguageComponent implements OnInit, OnChanges {
     }
 
     public ngOnInit() {
+        this.isMasterSubscription =
+            this.editForm.get('isMaster').valueChanges
+                .subscribe(v => {
+                    this.isMaster = v;
+                    this.editForm.get('isOptional').setValue(false);
+                });
+
         this.resetForm();
     }
 
+    public ngOnDestroy() {
+        this.isMasterSubscription.unsubscribe();
+    }
+
     public ngOnChanges() {
         this.resetForm();
     }
@@ -122,6 +137,8 @@ export class LanguageComponent implements OnInit, OnChanges {
         }
 
         if (this.language) {
+            this.isMaster = this.language.isMaster;
+
             this.fallbackLanguages =
                 this.allLanguages.filter(l =>
                     this.language.fallback.indexOf(l.iso2Code) >= 0).values;
diff --git a/src/Squidex/app/features/settings/pages/languages/languages-page.component.ts b/src/Squidex/app/features/settings/pages/languages/languages-page.component.ts
index 546cdc58a..bb0ec0615 100644
--- a/src/Squidex/app/features/settings/pages/languages/languages-page.component.ts
+++ b/src/Squidex/app/features/settings/pages/languages/languages-page.component.ts
@@ -52,13 +52,7 @@ export class LanguagesPageComponent extends AppComponentBase implements OnInit {
     }
 
     public ngOnInit() {
-        this.languagesService.getLanguages().retry(2)
-            .subscribe(languages => {
-                this.allLanguages = languages;
-            }, error => {
-                this.notifyError(error);
-            });
-
+        this.loadAllLanguages();
         this.load();
     }
 
@@ -72,16 +66,6 @@ export class LanguagesPageComponent extends AppComponentBase implements OnInit {
             });
     }
 
-    public updateLanguage(language: AppLanguageDto) {
-        this.appNameOnce()
-            .switchMap(app => this.appLanguagesService.updateLanguage(app, language.iso2Code, language, this.version))
-            .subscribe(dto => {
-                this.updateLanguages(this.appLanguages.map(l => l.iso2Code === language.iso2Code ? language : l));
-            }, error => {
-                this.notifyError(error);
-            });
-    }
-
     public removeLanguage(language: AppLanguageDto) {
         this.appNameOnce()
             .switchMap(app => this.appLanguagesService.deleteLanguage(app, language.iso2Code, this.version))
@@ -104,13 +88,58 @@ export class LanguagesPageComponent extends AppComponentBase implements OnInit {
             });
     }
 
-    private updateLanguages(languages: ImmutableArray<AppLanguageDto>) {
+    public updateLanguage(language: AppLanguageDto) {
+        this.appNameOnce()
+            .switchMap(app => this.appLanguagesService.updateLanguage(app, language.iso2Code, language, this.version))
+            .subscribe(dto => {
+                this.updateLanguages(
+                    this.appLanguages.replaceAll(
+                        l => l.iso2Code === language.iso2Code,
+                        l => language),
+                    language.isMaster ? language.iso2Code : undefined);
+            }, error => {
+                this.notifyError(error);
+            });
+    }
+
+    private loadAllLanguages() {
+        this.languagesService.getLanguages().retry(2)
+            .subscribe(languages => {
+                this.allLanguages = languages;
+
+                this.updateNewLanguages();
+            }, error => {
+                this.notifyError(error);
+            });
+    }
+
+    private updateLanguages(languages: ImmutableArray<AppLanguageDto>, masterId?: string) {
         this.addLanguageForm.reset();
-        this.appLanguages = languages;
 
-        this.newLanguages = this.allLanguages.filter(x => !this.appLanguages.find(l => l.iso2Code === x.iso2Code));
+        this.appLanguages =
+            languages.map(l => {
+                return new AppLanguageDto(
+                    l.iso2Code,
+                    l.englishName,
+                    masterId ? l.iso2Code === masterId : l.isMaster,
+                    l.isOptional,
+                    l.fallback.filter(f => !!languages.find(l2 => l2.iso2Code === f))
+                );
+            }).sort((a, b) => {
+                if (a.isMaster === b.isMaster) {
+                    return a.iso2Code.localeCompare(b.iso2Code);
+                } else {
+                    return (a.isMaster ? 0 : 1) - (b.isMaster ? 0 : 1);
+                }
+            });
+
+        this.updateNewLanguages();
 
         this.messageBus.publish(new HistoryChannelUpdated());
     }
+
+    private updateNewLanguages() {
+        this.newLanguages = this.allLanguages.filter(x => !this.appLanguages.find(l => l.iso2Code === x.iso2Code));
+    }
 }
 
diff --git a/src/Squidex/app/shared/components/assets-editor.component.ts b/src/Squidex/app/shared/components/assets-editor.component.ts
index 6dae05aba..b79c95436 100644
--- a/src/Squidex/app/shared/components/assets-editor.component.ts
+++ b/src/Squidex/app/shared/components/assets-editor.component.ts
@@ -58,7 +58,10 @@ export class AssetsEditorComponent extends AppComponentBase implements ControlVa
             this.messageBus.of(AssetUpdated)
                 .subscribe(event => {
                     if (event.sender !== this) {
-                        this.oldAssets = this.oldAssets.map(x => x.id === event.assetDto.id ? event.assetDto : x);
+                        this.oldAssets =
+                            this.oldAssets.replaceAll(
+                                a => a.id === event.assetDto.id,
+                                a => event.assetDto);
                     }
                 });
     }
diff --git a/src/Squidex/app/theme/_lists.scss b/src/Squidex/app/theme/_lists.scss
index 75e66c018..892c6937b 100644
--- a/src/Squidex/app/theme/_lists.scss
+++ b/src/Squidex/app/theme/_lists.scss
@@ -67,22 +67,74 @@
         }
     }
 
-    &-row,
+    &-row {
+        & {
+            padding: 1rem 1.25rem;
+            background: $color-table;
+            border: 1px solid $color-border;
+            border-bottom-width: 2px;
+            margin-bottom: .25rem;
+        }
+
+        &-summary {
+            padding: 1rem 1.25rem;
+            position: relative;
+            line-height: 2.5rem;
+        }
+
+        &-expandable {
+            padding: 0;
+        }
+
+        &-details {
+            & {
+                position: relative;
+            }
+
+            &::before {
+                @include caret-top;
+                @include absolute(-.5rem, 5.5rem, auto, auto);
+                border-color: transparent transparent $color-border;
+                border-width: .6rem;
+            }
+
+            &-tab {
+                padding: 1rem 1.25rem 1.25rem;
+            }
+
+            &-tabs {
+                background: $color-border;
+                position: relative;
+                padding: 1rem 1.25rem;
+            }
+        }
+    }
+
     &-footer {
         padding: 1rem 1.25rem;
         background: $color-table-footer;
         border: 1px solid $color-border;
         border-bottom-width: 2px;
+        margin-top: .8rem;
     }
 
-    &-row {
-        background: $color-table;
-        margin-bottom: .25rem;
-    }
+    &-edit-button {
+        & {
+            color: $color-theme-blue;
+            line-height: 1rem;
+            font-size: 1rem;
+            font-weight: normal;
+        }
 
-    &-footer {
-        background: $color-table-footer;
-        margin-top: .8rem;
+        &:hover {
+            color: $color-theme-blue-dark;
+        }
+
+        &.active {
+            background: $color-theme-blue;
+            border-color: $color-theme-blue;
+            color: $color-dark-foreground;
+        }
     }
 
     .spacer {