diff --git a/models/activity/src/index.ts b/models/activity/src/index.ts
index 8eb152b059..8a16ae5a11 100644
--- a/models/activity/src/index.ts
+++ b/models/activity/src/index.ts
@@ -14,6 +14,7 @@
 //
 
 import {
+  type ActivityAttributeUpdatesPresenter,
   type ActivityDoc,
   type ActivityExtension,
   type ActivityExtensionKind,
@@ -55,9 +56,9 @@ import {
 import { TAttachedDoc, TClass, TDoc } from '@hcengineering/model-core'
 import type { Asset, IntlString, Resource } from '@hcengineering/platform'
 import { type AnyComponent } from '@hcengineering/ui/src/types'
+import view from '@hcengineering/model-view'
 
 import activity from './plugin'
-import view from '@hcengineering/model-view'
 
 export { activityOperation } from './migration'
 export { activityId } from '@hcengineering/activity'
@@ -70,6 +71,11 @@ export class TActivityDoc extends TClass implements ActivityDoc {
   ignoreCollections?: string[]
 }
 
+@Mixin(activity.mixin.ActivityAttributeUpdatesPresenter, core.class.Class)
+export class TActivityAttributeUpdatesPresenter extends TClass implements ActivityAttributeUpdatesPresenter {
+  presenter!: AnyComponent
+}
+
 @Model(activity.class.TxViewlet, core.class.Doc, DOMAIN_MODEL)
 export class TTxViewlet extends TDoc implements TxViewlet {
   icon!: Asset
@@ -177,7 +183,8 @@ export function createModel (builder: Builder): void {
     TDocUpdateMessage,
     TDocUpdateMessageViewlet,
     TActivityExtension,
-    TReaction
+    TReaction,
+    TActivityAttributeUpdatesPresenter
   )
 
   builder.mixin(activity.class.DocUpdateMessage, core.class.Class, activity.mixin.ActivityDoc, {})
diff --git a/models/notification/src/index.ts b/models/notification/src/index.ts
index 11c4f4edfa..6a31b9b912 100644
--- a/models/notification/src/index.ts
+++ b/models/notification/src/index.ts
@@ -473,7 +473,7 @@ export function createModel (builder: Builder): void {
     notification.ids.NotificationCollaboratorsChanged
   )
 
-  builder.mixin(notification.mixin.Collaborators, core.class.Class, view.mixin.ActivityAttributePresenter, {
+  builder.mixin(notification.mixin.Collaborators, core.class.Class, activity.mixin.ActivityAttributeUpdatesPresenter, {
     presenter: notification.component.NotificationCollaboratorsChanged
   })
 
diff --git a/models/view/src/index.ts b/models/view/src/index.ts
index 0e8c98dc67..f26068bc68 100644
--- a/models/view/src/index.ts
+++ b/models/view/src/index.ts
@@ -469,7 +469,8 @@ export function createModel (builder: Builder): void {
     core.class.TypeMarkup,
     view.component.MarkupPresenter,
     view.component.MarkupEditor,
-    view.component.MarkupEditorPopup
+    view.component.MarkupEditorPopup,
+    view.component.MarkupDiffPresenter
   )
 
   builder.mixin(core.class.TypeMarkup, core.class.Class, view.mixin.InlineAttributEditor, {
diff --git a/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageAttributes.svelte b/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageAttributes.svelte
index 10020fc9b3..60e525bb80 100644
--- a/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageAttributes.svelte
+++ b/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageAttributes.svelte
@@ -14,10 +14,12 @@
 -->
 <script lang="ts">
   import { Component } from '@hcengineering/ui'
-  import view, { AttributeModel } from '@hcengineering/view'
+  import { AttributeModel } from '@hcengineering/view'
   import { getClient } from '@hcengineering/presentation'
   import { DocAttributeUpdates, DocUpdateMessageViewlet } from '@hcengineering/activity'
 
+  import activity from '../../plugin'
+
   import AddedAttributesPresenter from './attributes/AddedAttributesPresenter.svelte'
   import RemovedAttributesPresenter from './attributes/RemovedAttributesPresenter.svelte'
   import SetAttributesPresenter from './attributes/SetAttributesPresenter.svelte'
@@ -31,7 +33,8 @@
 
   $: presenter =
     viewlet?.config?.[attributeModel.key]?.presenter ??
-    hierarchy.classHierarchyMixin(attributeUpdates.attrClass, view.mixin.ActivityAttributePresenter)?.presenter
+    hierarchy.classHierarchyMixin(attributeUpdates.attrClass, activity.mixin.ActivityAttributeUpdatesPresenter)
+      ?.presenter
 </script>
 
 {#if presenter}
diff --git a/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageObjectValue.svelte b/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageObjectValue.svelte
index 5104c91b98..92f86640b4 100644
--- a/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageObjectValue.svelte
+++ b/plugins/activity-resources/src/components/doc-update-message/DocUpdateMessageObjectValue.svelte
@@ -32,11 +32,7 @@
 
   let object: Doc | undefined = undefined
 
-  async function getValue (object: Doc | undefined): Promise<string | undefined> {
-    if (object === undefined) {
-      return ''
-    }
-
+  async function getValue (object: Doc): Promise<string | undefined> {
     if (viewlet?.valueAttr) {
       return (object as any)[viewlet.valueAttr]
     }
@@ -60,15 +56,17 @@
 </script>
 
 {#if object}
-  {#await getValue(object) then value}
-    {#if withIcon && message.action === 'create'}
-      <Icon icon={IconAdd} size="x-small" />
-    {/if}
-    {#if withIcon && message.action === 'remove'}
-      <Icon icon={IconDelete} size="x-small" />
-    {/if}
+  {#if withIcon && message.action === 'create'}
+    <Icon icon={IconAdd} size="x-small" />
+  {/if}
+  {#if withIcon && message.action === 'remove'}
+    <Icon icon={IconDelete} size="x-small" />
+  {/if}
 
-    {#if value}
+  {#if objectPresenter && !viewlet?.valueAttr}
+    <Component is={objectPresenter.presenter} props={{ value: object, accent: true, shouldShowAvatar: false }} />
+  {:else}
+    {#await getValue(object) then value}
       <span>
         <DocNavLink
           {object}
@@ -82,10 +80,8 @@
           <span class="separator">,</span>
         {/if}
       </span>
-    {:else if objectPresenter && object}
-      <Component is={objectPresenter.presenter} props={{ value: object, accent: true, shouldShowAvatar: false }} />
-    {/if}
-  {/await}
+    {/await}
+  {/if}
 {/if}
 
 <style lang="scss">
diff --git a/plugins/activity/src/index.ts b/plugins/activity/src/index.ts
index c06e80d277..889d0ed4af 100644
--- a/plugins/activity/src/index.ts
+++ b/plugins/activity/src/index.ts
@@ -215,6 +215,13 @@ export interface ActivityDoc extends Class<Doc> {
   ignoreCollections?: string[]
 }
 
+/**
+ * @public
+ */
+export interface ActivityAttributeUpdatesPresenter extends Class<Doc> {
+  presenter: AnyComponent
+}
+
 /**
  * @public
  */
@@ -238,7 +245,8 @@ export interface Reaction extends AttachedDoc {
 
 export default plugin(activityId, {
   mixin: {
-    ActivityDoc: '' as Ref<Mixin<ActivityDoc>>
+    ActivityDoc: '' as Ref<Mixin<ActivityDoc>>,
+    ActivityAttributeUpdatesPresenter: '' as Ref<Mixin<ActivityAttributeUpdatesPresenter>>
   },
   class: {
     TxViewlet: '' as Ref<Class<TxViewlet>>,
diff --git a/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte b/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte
index 13ee64e700..9b4574e976 100644
--- a/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte
+++ b/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte
@@ -51,7 +51,7 @@
 
 {#if value}
   <div class="flex-row-center">
-    {#if taskType !== undefined}
+    {#if shouldShowAvatar && taskType !== undefined}
       <div class="text-sm mr-1">
         <TaskTypeIcon value={taskType} />
       </div>