diff --git a/models/contact/src/index.ts b/models/contact/src/index.ts
index d4deda0daa..d5ae6dcfe1 100644
--- a/models/contact/src/index.ts
+++ b/models/contact/src/index.ts
@@ -45,7 +45,7 @@ import attachment from '@anticrm/model-attachment'
 import chunter from '@anticrm/model-chunter'
 import core, { TAccount, TAttachedDoc, TDoc, TSpace } from '@anticrm/model-core'
 import presentation from '@anticrm/model-presentation'
-import view, { actionTemplates, createAction } from '@anticrm/model-view'
+import view, { actionTemplates, createAction, ViewAction } from '@anticrm/model-view'
 import workbench from '@anticrm/model-workbench'
 import type { Asset, IntlString } from '@anticrm/platform'
 import setting from '@anticrm/setting'
@@ -58,6 +58,7 @@ export const DOMAIN_CHANNEL = 'channel' as Domain
 export class TChannelProvider extends TDoc implements ChannelProvider {
   label!: IntlString
   icon?: Asset
+  action?: ViewAction
   placeholder!: IntlString
 }
 
@@ -305,7 +306,8 @@ export function createModel (builder: Builder): void {
     {
       label: contact.string.LinkedIn,
       icon: contact.icon.LinkedIn,
-      placeholder: contact.string.LinkedInPlaceholder
+      placeholder: contact.string.LinkedInPlaceholder,
+      action: contact.actionImpl.OpenChannel
     },
     contact.channelProvider.LinkedIn
   )
@@ -316,7 +318,8 @@ export function createModel (builder: Builder): void {
     {
       label: contact.string.Twitter,
       icon: contact.icon.Twitter,
-      placeholder: contact.string.AtPlaceHolder
+      placeholder: contact.string.AtPlaceHolder,
+      action: contact.actionImpl.OpenChannel
     },
     contact.channelProvider.Twitter
   )
@@ -327,7 +330,8 @@ export function createModel (builder: Builder): void {
     {
       label: contact.string.GitHub,
       icon: contact.icon.GitHub,
-      placeholder: contact.string.AtPlaceHolder
+      placeholder: contact.string.AtPlaceHolder,
+      action: contact.actionImpl.OpenChannel
     },
     contact.channelProvider.GitHub
   )
@@ -338,7 +342,8 @@ export function createModel (builder: Builder): void {
     {
       label: contact.string.Facebook,
       icon: contact.icon.Facebook,
-      placeholder: contact.string.FacebookPlaceholder
+      placeholder: contact.string.FacebookPlaceholder,
+      action: contact.actionImpl.OpenChannel
     },
     contact.channelProvider.Facebook
   )
@@ -349,7 +354,8 @@ export function createModel (builder: Builder): void {
     {
       label: contact.string.Homepage,
       icon: contact.icon.Homepage,
-      placeholder: contact.string.HomepagePlaceholder
+      placeholder: contact.string.HomepagePlaceholder,
+      action: contact.actionImpl.OpenChannel
     },
     contact.channelProvider.Homepage
   )
diff --git a/models/contact/src/plugin.ts b/models/contact/src/plugin.ts
index c76fffa7aa..c9dcf29872 100644
--- a/models/contact/src/plugin.ts
+++ b/models/contact/src/plugin.ts
@@ -83,6 +83,7 @@ export default mergeIds(contactId, contact, {
     KickEmployee: '' as Ref<Action>
   },
   actionImpl: {
-    KickEmployee: '' as ViewAction
+    KickEmployee: '' as ViewAction,
+    OpenChannel: '' as ViewAction
   }
 })
diff --git a/models/recruit/src/index.ts b/models/recruit/src/index.ts
index 0ed84278f2..728539c570 100644
--- a/models/recruit/src/index.ts
+++ b/models/recruit/src/index.ts
@@ -307,6 +307,7 @@ export function createModel (builder: Builder): void {
           label: recruit.string.Applications
         },
         '$lookup.company',
+        '$lookup.company.$lookup.channels',
         'location',
         'description',
         {
diff --git a/models/tracker/src/index.ts b/models/tracker/src/index.ts
index 37398116fb..73641929b2 100644
--- a/models/tracker/src/index.ts
+++ b/models/tracker/src/index.ts
@@ -55,7 +55,8 @@ import {
   SprintStatus,
   Team,
   TimeSpendReport,
-  trackerId
+  trackerId,
+  IssueChildInfo
 } from '@anticrm/tracker'
 import { KeyBinding } from '@anticrm/view'
 import tracker from './plugin'
@@ -238,6 +239,8 @@ export class TIssue extends TAttachedDoc implements Issue {
 
   @Prop(Collection(tracker.class.TimeSpendReport), tracker.string.TimeSpendReports)
   reports!: number
+
+  declare childInfo: IssueChildInfo[]
 }
 
 /**
diff --git a/packages/core/src/operator.ts b/packages/core/src/operator.ts
index 7663e23085..3f22318a19 100644
--- a/packages/core/src/operator.ts
+++ b/packages/core/src/operator.ts
@@ -32,7 +32,11 @@ function $push (document: Doc, keyval: Record<string, PropertyType>): void {
     if (typeof val === 'object') {
       const arr = doc[key] as Array<any>
       const desc = val as Position<PropertyType>
-      arr.splice(desc.$position, 0, ...desc.$each)
+      if ('$each' in desc) {
+        arr.splice(desc.$position ?? 0, 0, ...desc.$each)
+      } else {
+        arr.push(val)
+      }
     } else {
       doc[key].push(val)
     }
@@ -48,7 +52,20 @@ function $pull (document: Doc, keyval: Record<string, PropertyType>): void {
     const arr = doc[key] as Array<any>
     if (typeof keyval[key] === 'object') {
       const { $in } = keyval[key] as PullArray<PropertyType>
-      doc[key] = arr.filter((val) => !$in.includes(val))
+
+      doc[key] = arr.filter((val) => {
+        if ($in !== undefined) {
+          return !$in.includes(val)
+        } else {
+          // We need to match all fields
+          for (const [kk, kv] of Object.entries(keyval[key])) {
+            if (val[kk] !== kv) {
+              return true
+            }
+          }
+          return false
+        }
+      })
     } else {
       doc[key] = arr.filter((val) => val !== keyval[key])
     }
diff --git a/packages/core/src/tx.ts b/packages/core/src/tx.ts
index f092aea13a..9c593222d8 100644
--- a/packages/core/src/tx.ts
+++ b/packages/core/src/tx.ts
@@ -103,7 +103,7 @@ export interface TxMixin<D extends Doc, M extends D> extends TxCUD<D> {
  * @public
  */
 export type ArrayAsElement<T> = {
-  [P in keyof T]: T[P] extends Arr<infer X> ? X | PullArray<X> : never
+  [P in keyof T]: T[P] extends Arr<infer X> ? Partial<X> | PullArray<X> : never
 }
 
 /**
diff --git a/packages/query/src/index.ts b/packages/query/src/index.ts
index 22dbeb5610..ccb9771fb3 100644
--- a/packages/query/src/index.ts
+++ b/packages/query/src/index.ts
@@ -596,10 +596,12 @@ export class LiveQuery extends TxProcessor implements Client {
         ;(result as any)[key] = objects[0]
         const nestedResult = {}
         const parent = (result as any)[key]
-        await this.getLookupValue(_class, parent, nested, nestedResult)
-        Object.assign(parent, {
-          $lookup: nestedResult
-        })
+        if (parent !== undefined) {
+          await this.getLookupValue(_class, parent, nested, nestedResult)
+          Object.assign(parent, {
+            $lookup: nestedResult
+          })
+        }
       } else {
         const objects = await this.findAll(value, { _id: getObjectValue(tkey, doc) })
         ;(result as any)[key] = objects[0]
diff --git a/plugins/attachment-resources/src/components/AttachmentList.svelte b/plugins/attachment-resources/src/components/AttachmentList.svelte
index 1d1d4ad9b2..2a943f8ba1 100644
--- a/plugins/attachment-resources/src/components/AttachmentList.svelte
+++ b/plugins/attachment-resources/src/components/AttachmentList.svelte
@@ -22,9 +22,9 @@
 </script>
 
 {#if attachments.length}
-  <div class="flex-col">
+  <div class="flex flex-wrap">
     {#each attachments as attachment}
-      <div class="step-tb75">
+      <div class="p-2">
         <AttachmentPreview value={attachment} isSaved={savedAttachmentsIds?.includes(attachment._id) ?? false} />
       </div>
     {/each}
diff --git a/plugins/contact-resources/src/components/ChannelEditor.svelte b/plugins/contact-resources/src/components/ChannelEditor.svelte
index 4e56c3f15e..28f72b271b 100644
--- a/plugins/contact-resources/src/components/ChannelEditor.svelte
+++ b/plugins/contact-resources/src/components/ChannelEditor.svelte
@@ -13,23 +13,22 @@
 // limitations under the License.
 -->
 <script lang="ts">
-  import { createEventDispatcher, onMount, afterUpdate } from 'svelte'
   import type { IntlString } from '@anticrm/platform'
   import { translate } from '@anticrm/platform'
+  import type { PopupOptions } from '@anticrm/ui'
   import {
     Button,
-    IconClose,
-    closeTooltip,
-    IconBlueCheck,
-    registerFocus,
     createFocusManager,
+    FocusHandler,
     IconArrowRight,
-    IconEdit
+    IconBlueCheck,
+    IconClose,
+    IconEdit,
+    registerFocus
   } from '@anticrm/ui'
-  import IconCopy from './icons/Copy.svelte'
-  import { FocusHandler } from '@anticrm/ui'
-  import type { PopupOptions } from '@anticrm/ui'
+  import { afterUpdate, createEventDispatcher, onMount } from 'svelte'
   import plugin from '../plugin'
+  import IconCopy from './icons/Copy.svelte'
 
   export let value: string = ''
   export let placeholder: IntlString
@@ -101,8 +100,9 @@
         style="width: 100%;"
         on:keypress={(ev) => {
           if (ev.key === 'Enter') {
+            ev.preventDefault()
+            ev.stopPropagation()
             dispatch('close', value)
-            closeTooltip()
           }
         }}
         on:change
diff --git a/plugins/contact-resources/src/components/ChannelsDropdown.svelte b/plugins/contact-resources/src/components/ChannelsDropdown.svelte
index 0c366daa70..17799def90 100644
--- a/plugins/contact-resources/src/components/ChannelsDropdown.svelte
+++ b/plugins/contact-resources/src/components/ChannelsDropdown.svelte
@@ -32,6 +32,7 @@
     Menu,
     showPopup
   } from '@anticrm/ui'
+  import { ViewAction } from '@anticrm/view'
   import { createEventDispatcher, tick } from 'svelte'
   import { getChannelProviders } from '../utils'
   import ChannelEditor from './ChannelEditor.svelte'
@@ -55,6 +56,7 @@
     icon: Asset
     value: string
     presenter?: AnyComponent
+    action?: ViewAction
     placeholder: IntlString
     provider: Ref<ChannelProvider>
     integration: boolean
@@ -74,6 +76,7 @@
         icon: provider.icon as Asset,
         value: item.value,
         presenter: provider.presenter,
+        action: provider.action,
         placeholder: provider.placeholder,
         provider: provider._id,
         notification,
diff --git a/plugins/contact-resources/src/components/ChannelsPresenter.svelte b/plugins/contact-resources/src/components/ChannelsPresenter.svelte
index ede5256b89..2b1f22b2a4 100644
--- a/plugins/contact-resources/src/components/ChannelsPresenter.svelte
+++ b/plugins/contact-resources/src/components/ChannelsPresenter.svelte
@@ -16,8 +16,10 @@
 <script lang="ts">
   import type { Channel } from '@anticrm/contact'
   import { Doc } from '@anticrm/core'
+  import { getResource } from '@anticrm/platform'
   import type { ButtonKind, ButtonSize } from '@anticrm/ui'
   import { showPopup } from '@anticrm/ui'
+  import { ViewAction } from '@anticrm/view'
   import ChannelsDropdown from './ChannelsDropdown.svelte'
 
   export let value: Channel[] | Channel | null
@@ -29,11 +31,15 @@
   export let shape: 'circle' | undefined = 'circle'
   export let object: Doc
 
-  function _open (ev: any) {
+  async function _open (ev: CustomEvent): Promise<void> {
     if (ev.detail.presenter !== undefined && Array.isArray(value)) {
-      const channel = value[0]
-      if (channel !== undefined) {
-        showPopup(ev.detail.presenter, { _id: object._id, _class: object._class }, 'float')
+      showPopup(ev.detail.presenter, { _id: object._id, _class: object._class }, 'float')
+    }
+    if (ev.detail.action !== undefined && Array.isArray(value)) {
+      const action = await getResource(ev.detail.action as ViewAction)
+      const channel = value.find((it) => it.value === ev.detail.value)
+      if (action !== undefined && channel !== undefined) {
+        action(channel, ev)
       }
     }
   }
diff --git a/plugins/contact-resources/src/index.ts b/plugins/contact-resources/src/index.ts
index a864ee3746..4500e1659d 100644
--- a/plugins/contact-resources/src/index.ts
+++ b/plugins/contact-resources/src/index.ts
@@ -14,41 +14,41 @@
 // limitations under the License.
 //
 
-import { Contact, Employee, formatName } from '@anticrm/contact'
+import { Channel, Contact, Employee, formatName } from '@anticrm/contact'
 import { Class, Client, Ref } from '@anticrm/core'
+import { leaveWorkspace } from '@anticrm/login-resources'
 import { Resources } from '@anticrm/platform'
 import { Avatar, getClient, MessageBox, ObjectSearchResult, UserInfo } from '@anticrm/presentation'
 import { showPopup } from '@anticrm/ui'
 import Channels from './components/Channels.svelte'
+import ChannelsDropdown from './components/ChannelsDropdown.svelte'
 import ChannelsEditor from './components/ChannelsEditor.svelte'
 import ChannelsPresenter from './components/ChannelsPresenter.svelte'
 import ChannelsView from './components/ChannelsView.svelte'
-import ChannelsDropdown from './components/ChannelsDropdown.svelte'
 import ContactPresenter from './components/ContactPresenter.svelte'
 import Contacts from './components/Contacts.svelte'
+import CreateEmployee from './components/CreateEmployee.svelte'
 import CreateOrganization from './components/CreateOrganization.svelte'
 import CreateOrganizations from './components/CreateOrganizations.svelte'
 import CreatePerson from './components/CreatePerson.svelte'
 import CreatePersons from './components/CreatePersons.svelte'
+import EditMember from './components/EditMember.svelte'
 import EditOrganization from './components/EditOrganization.svelte'
 import EditPerson from './components/EditPerson.svelte'
+import EmployeeAccountPresenter from './components/EmployeeAccountPresenter.svelte'
+import EmployeeArrayEditor from './components/EmployeeArrayEditor.svelte'
+import EmployeeBrowser from './components/EmployeeBrowser.svelte'
+import EmployeeEditor from './components/EmployeeEditor.svelte'
+import EmployeePresenter from './components/EmployeePresenter.svelte'
+import MemberPresenter from './components/MemberPresenter.svelte'
+import Members from './components/Members.svelte'
+import OrganizationEditor from './components/OrganizationEditor.svelte'
 import OrganizationPresenter from './components/OrganizationPresenter.svelte'
+import OrganizationSelector from './components/OrganizationSelector.svelte'
+import PersonEditor from './components/PersonEditor.svelte'
 import PersonPresenter from './components/PersonPresenter.svelte'
 import SocialEditor from './components/SocialEditor.svelte'
 import contact from './plugin'
-import EmployeePresenter from './components/EmployeePresenter.svelte'
-import EmployeeBrowser from './components/EmployeeBrowser.svelte'
-import EmployeeAccountPresenter from './components/EmployeeAccountPresenter.svelte'
-import OrganizationEditor from './components/OrganizationEditor.svelte'
-import PersonEditor from './components/PersonEditor.svelte'
-import OrganizationSelector from './components/OrganizationSelector.svelte'
-import Members from './components/Members.svelte'
-import MemberPresenter from './components/MemberPresenter.svelte'
-import EditMember from './components/EditMember.svelte'
-import EmployeeArrayEditor from './components/EmployeeArrayEditor.svelte'
-import EmployeeEditor from './components/EmployeeEditor.svelte'
-import CreateEmployee from './components/CreateEmployee.svelte'
-import { leaveWorkspace } from '@anticrm/login-resources'
 
 export {
   Channels,
@@ -98,10 +98,16 @@ async function kickEmployee (doc: Employee): Promise<void> {
     }
   )
 }
+async function openChannelURL (doc: Channel): Promise<void> {
+  if (doc.value.startsWith('http://') || doc.value.startsWith('https://')) {
+    window.open(doc.value)
+  }
+}
 
 export default async (): Promise<Resources> => ({
   actionImpl: {
-    KickEmployee: kickEmployee
+    KickEmployee: kickEmployee,
+    OpenChannel: openChannelURL
   },
   component: {
     PersonEditor,
diff --git a/plugins/contact/src/index.ts b/plugins/contact/src/index.ts
index dc43fe3e87..95e952800c 100644
--- a/plugins/contact/src/index.ts
+++ b/plugins/contact/src/index.ts
@@ -30,7 +30,7 @@ import {
 import type { Asset, Plugin } from '@anticrm/platform'
 import { IntlString, plugin } from '@anticrm/platform'
 import type { AnyComponent } from '@anticrm/ui'
-import { Viewlet } from '@anticrm/view'
+import { ViewAction, Viewlet } from '@anticrm/view'
 
 /**
  * @public
@@ -46,8 +46,16 @@ export interface Persons extends Space {}
  * @public
  */
 export interface ChannelProvider extends Doc, UXObject {
+  // Placeholder
   placeholder: IntlString
+
+  // Presenter will be shown on click for channel
   presenter?: AnyComponent
+
+  // Action to be performed if there is no presenter defined.
+  action?: ViewAction
+
+  // Integration type
   integrationType?: Ref<Doc>
 }
 
diff --git a/plugins/tracker-assets/lang/en.json b/plugins/tracker-assets/lang/en.json
index b4863e867f..df20131055 100644
--- a/plugins/tracker-assets/lang/en.json
+++ b/plugins/tracker-assets/lang/en.json
@@ -208,7 +208,9 @@
     "TimeSpendReportValueTooltip": "Reported time in man days",
     "TimeSpendReportDescription": "Description",
     "TimeSpendValue": "{value}d",
-    "SprintPassed": "{from}d/{to}d"
+    "SprintPassed": "{from}d/{to}d",
+    "ChildEstimation": "Subissues Estimation",
+    "ChildReportedTime": "Subissues Time"
   },
   "status": {}
 }
diff --git a/plugins/tracker-assets/lang/ru.json b/plugins/tracker-assets/lang/ru.json
index 87db254642..2e2c7adb7b 100644
--- a/plugins/tracker-assets/lang/ru.json
+++ b/plugins/tracker-assets/lang/ru.json
@@ -208,7 +208,9 @@
     "TimeSpendReportValueTooltip": "Затраченное время в человеко днях",
     "TimeSpendReportDescription": "Описание",
     "TimeSpendValue": "{value}d",
-    "SprintPassed": "{from}d/{to}d"
+    "SprintPassed": "{from}d/{to}d",
+    "ChildEstimation": "Subissues Estimation",
+    "ChildReportedTime": "Subissues Time"
   },
   "status": {}
 }
diff --git a/plugins/tracker-resources/src/components/CreateIssue.svelte b/plugins/tracker-resources/src/components/CreateIssue.svelte
index dc7c79a6e1..6310ff53e3 100644
--- a/plugins/tracker-resources/src/components/CreateIssue.svelte
+++ b/plugins/tracker-resources/src/components/CreateIssue.svelte
@@ -42,6 +42,7 @@
   import SetParentIssueActionPopup from './SetParentIssueActionPopup.svelte'
   import SprintSelector from './sprints/SprintSelector.svelte'
   import { activeProject, activeSprint } from '../issues'
+  import EstimationEditor from './issues/timereport/EstimationEditor.svelte'
 
   export let space: Ref<Team>
   export let status: Ref<IssueStatus> | undefined = undefined
@@ -71,7 +72,8 @@
     parents: [],
     reportedTime: 0,
     estimation: 0,
-    reports: 0
+    reports: 0,
+    childInfo: []
   }
 
   const dispatch = createEventDispatcher()
@@ -156,8 +158,9 @@
         ? [{ parentId: parentIssue._id, parentTitle: parentIssue.title }, ...parentIssue.parents]
         : [],
       reportedTime: 0,
-      estimation: 0,
-      reports: 0
+      estimation: object.estimation,
+      reports: 0,
+      childInfo: []
     }
 
     await client.addCollection(
@@ -344,6 +347,7 @@
           labels = labels.filter((it) => it._id !== evt.detail)
         }}
       />
+      <EstimationEditor kind={'no-border'} size={'small'} value={object} />
       <ProjectSelector value={object.project} onProjectIdChange={handleProjectIdChanged} />
       <SprintSelector value={object.sprint} onSprintIdChange={handleSprintIdChanged} />
       {#if object.dueDate !== null}
diff --git a/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte b/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte
index db18fc1510..fcd46022d4 100644
--- a/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte
+++ b/plugins/tracker-resources/src/components/issues/IssuePresenter.svelte
@@ -21,8 +21,12 @@
 
   export let value: WithLookup<Issue>
   // export let inline: boolean = false
+  export let disableClick = false
 
   function handleIssueEditorOpened () {
+    if (disableClick) {
+      return
+    }
     showPanel(tracker.component.EditIssue, value._id, value._class, 'content')
   }
 
@@ -39,7 +43,7 @@
 </script>
 
 {#if value}
-  <span class="issuePresenterRoot" title="title" on:click={handleIssueEditorOpened}>
+  <span class="issuePresenterRoot" class:noPointer={disableClick} title="title" on:click={handleIssueEditorOpened}>
     {title}
   </span>
 {/if}
@@ -56,6 +60,10 @@
     color: var(--content-color);
     cursor: pointer;
 
+    &.noPointer {
+      cursor: default;
+    }
+
     &:hover {
       color: var(--caption-color);
       text-decoration: underline;
diff --git a/plugins/tracker-resources/src/components/issues/edit/CreateSubIssue.svelte b/plugins/tracker-resources/src/components/issues/edit/CreateSubIssue.svelte
index bfab62901a..3a8b8355e6 100644
--- a/plugins/tracker-resources/src/components/issues/edit/CreateSubIssue.svelte
+++ b/plugins/tracker-resources/src/components/issues/edit/CreateSubIssue.svelte
@@ -24,6 +24,7 @@
   import AssigneeEditor from '../AssigneeEditor.svelte'
   import StatusEditor from '../StatusEditor.svelte'
   import PriorityEditor from '../PriorityEditor.svelte'
+  import EstimationEditor from '../timereport/EstimationEditor.svelte'
 
   export let parentIssue: Issue
   export let issueStatuses: WithLookup<IssueStatus>[]
@@ -55,7 +56,12 @@
       dueDate: null,
       comments: 0,
       subIssues: 0,
-      parents: []
+      parents: [],
+      sprint: parentIssue.sprint,
+      estimation: 0,
+      reportedTime: 0,
+      reports: 0,
+      childInfo: []
     }
   }
 
@@ -209,6 +215,7 @@
           labels = labels.filter((it) => it._id !== evt.detail)
         }}
       />
+      <EstimationEditor kind={'no-border'} size={'small'} value={newIssue} />
     </div>
     <div class="buttons-group small-gap">
       <Button label={presentation.string.Cancel} size="small" kind="transparent" on:click={close} />
diff --git a/plugins/tracker-resources/src/components/issues/edit/EditIssue.svelte b/plugins/tracker-resources/src/components/issues/edit/EditIssue.svelte
index 594f5506d6..659c77bc51 100644
--- a/plugins/tracker-resources/src/components/issues/edit/EditIssue.svelte
+++ b/plugins/tracker-resources/src/components/issues/edit/EditIssue.svelte
@@ -279,7 +279,9 @@
           <SubIssues {issue} {issueStatuses} {currentTeam} />
         {/key}
       </div>
-      <AttachmentDocList value={issue} />
+      <div class="mt-6">
+        <AttachmentDocList value={issue} />
+      </div>
     {/if}
 
     <span slot="actions-label">
diff --git a/plugins/tracker-resources/src/components/issues/edit/SubIssueList.svelte b/plugins/tracker-resources/src/components/issues/edit/SubIssueList.svelte
index af0af20cb3..badb4dc9bc 100644
--- a/plugins/tracker-resources/src/components/issues/edit/SubIssueList.svelte
+++ b/plugins/tracker-resources/src/components/issues/edit/SubIssueList.svelte
@@ -32,6 +32,7 @@
   import DueDateEditor from '../DueDateEditor.svelte'
   import PriorityEditor from '../PriorityEditor.svelte'
   import StatusEditor from '../StatusEditor.svelte'
+  import EstimationEditor from '../timereport/EstimationEditor.svelte'
 
   export let issues: Issue[]
   export let issueStatuses: WithLookup<IssueStatus>[]
@@ -148,6 +149,7 @@
       </span>
     </div>
     <div class="flex-center flex-no-shrink">
+      <EstimationEditor value={issue} kind={'list'} />
       {#if issue.dueDate !== null}
         <DueDateEditor value={issue} />
       {/if}
diff --git a/plugins/tracker-resources/src/components/issues/timereport/EstimationEditor.svelte b/plugins/tracker-resources/src/components/issues/timereport/EstimationEditor.svelte
index e34f84b6fe..464ee20999 100644
--- a/plugins/tracker-resources/src/components/issues/timereport/EstimationEditor.svelte
+++ b/plugins/tracker-resources/src/components/issues/timereport/EstimationEditor.svelte
@@ -13,15 +13,18 @@
 // limitations under the License.
 -->
 <script lang="ts">
+  import { AttachedData } from '@anticrm/core'
+
   import { getClient } from '@anticrm/presentation'
   import { Issue } from '@anticrm/tracker'
   import { Button, ButtonKind, ButtonSize, eventToHTMLElement, Label, showPopup } from '@anticrm/ui'
+  import EditBoxPopup from '@anticrm/view-resources/src/components/EditBoxPopup.svelte'
   import { createEventDispatcher } from 'svelte'
   import tracker from '../../../plugin'
   import EstimationPopup from './EstimationPopup.svelte'
   import EstimationProgressCircle from './EstimationProgressCircle.svelte'
 
-  export let value: Issue
+  export let value: Issue | AttachedData<Issue>
   export let isEditable: boolean = true
 
   export let kind: ButtonKind = 'link'
@@ -39,16 +42,24 @@
       return
     }
 
-    showPopup(
-      EstimationPopup,
-      { value: value.estimation, format: 'number', object: value },
-      eventToHTMLElement(event),
-      (res) => {
-        if (res != null) {
+    if (kind === 'list') {
+      showPopup(
+        EstimationPopup,
+        { value: value.estimation, format: 'number', object: value },
+        eventToHTMLElement(event),
+        (res) => {
+          if (res != null) {
+            changeEstimation(res)
+          }
+        }
+      )
+    } else {
+      showPopup(EditBoxPopup, { value, format: 'number' }, eventToHTMLElement(event), (res) => {
+        if (res !== undefined) {
           changeEstimation(res)
         }
-      }
-    )
+      })
+    }
   }
 
   const changeEstimation = async (newEstimation: number | undefined) => {
@@ -60,22 +71,67 @@
 
     if ('_id' in value) {
       await client.update(value, { estimation: newEstimation })
+    } else {
+      value.estimation = newEstimation
     }
   }
+
+  $: childReportTime = (value.childInfo ?? []).map((it) => it.reportedTime).reduce((a, b) => a + b, 0)
+  $: childEstimationTime = (value.childInfo ?? []).map((it) => it.estimation).reduce((a, b) => a + b, 0)
+
+  function hourFloor (value: number): number {
+    const days = Math.ceil(value)
+    const hours = value - days
+    return days + Math.floor(hours * 10) / 10
+  }
 </script>
 
 {#if value}
   {#if kind === 'list'}
     <div class="estimation-container" on:click={handleestimationEditorOpened}>
       <div class="icon">
-        <EstimationProgressCircle value={value.reportedTime} max={value.estimation} />
+        <EstimationProgressCircle value={Math.max(value.reportedTime, childReportTime)} max={value.estimation} />
       </div>
-      <span class="overflow-label label">
-        {#if value.reportedTime > 0}
-          <Label label={tracker.string.TimeSpendValue} params={{ value: value.reportedTime }} />
-          /
+      <span class="overflow-label label flex-row-center flex-nowrap text-md">
+        {#if value.reportedTime > 0 || childReportTime > 0}
+          {#if childReportTime}
+            {@const rchildReportTime = hourFloor(childReportTime)}
+            {@const reportDiff = rchildReportTime - hourFloor(value.reportedTime)}
+            {#if reportDiff !== 0 && value.reportedTime !== 0}
+              <div class="flex flex-nowrap mr-1" class:showError={reportDiff > 0}>
+                <Label label={tracker.string.TimeSpendValue} params={{ value: rchildReportTime }} />
+              </div>
+              <div class="romColor">
+                (<Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(value.reportedTime) }} />)
+              </div>
+            {:else if value.reportedTime === 0}
+              <Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(childReportTime) }} />
+            {:else}
+              <Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(value.reportedTime) }} />
+            {/if}
+          {:else}
+            <Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(value.reportedTime) }} />
+          {/if}
+          <div class="p-1">/</div>
+        {/if}
+        {#if childEstimationTime}
+          {@const childEstTime = Math.round(childEstimationTime)}
+          {@const estimationDiff = childEstTime - Math.round(value.estimation)}
+          {#if estimationDiff !== 0}
+            <div class="flex flex-nowrap mr-1" class:showWarning={estimationDiff !== 0}>
+              <Label label={tracker.string.TimeSpendValue} params={{ value: childEstTime }} />
+            </div>
+            {#if value.estimation !== 0}
+              <div class="romColor">
+                (<Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(value.estimation) }} />)
+              </div>
+            {/if}
+          {:else}
+            <Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(value.estimation) }} />
+          {/if}
+        {:else}
+          <Label label={tracker.string.TimeSpendValue} params={{ value: hourFloor(value.estimation) }} />
         {/if}
-        <Label label={tracker.string.TimeSpendValue} params={{ value: value.estimation }} />
       </span>
     </div>
   {:else}
@@ -122,5 +178,15 @@
         color: var(--caption-color) !important;
       }
     }
+
+    .showError {
+      color: var(--error-color) !important;
+    }
+    .showWarning {
+      color: var(--warning-color) !important;
+    }
+    .romColor {
+      color: var(--content-color) !important;
+    }
   }
 </style>
diff --git a/plugins/tracker-resources/src/components/issues/timereport/EstimationPopup.svelte b/plugins/tracker-resources/src/components/issues/timereport/EstimationPopup.svelte
index 656acad162..f8b5852a96 100644
--- a/plugins/tracker-resources/src/components/issues/timereport/EstimationPopup.svelte
+++ b/plugins/tracker-resources/src/components/issues/timereport/EstimationPopup.svelte
@@ -16,14 +16,15 @@
 <script lang="ts">
   import contact from '@anticrm/contact'
   import { FindOptions } from '@anticrm/core'
-  import { Card } from '@anticrm/presentation'
+  import presentation, { Card } from '@anticrm/presentation'
   import { Issue, TimeSpendReport } from '@anticrm/tracker'
-  import { Button, EditBox, EditStyle, eventToHTMLElement, IconAdd, Scroller, showPopup } from '@anticrm/ui'
+  import { Button, EditBox, EditStyle, eventToHTMLElement, IconAdd, Label, Scroller, showPopup } from '@anticrm/ui'
   import { TableBrowser } from '@anticrm/view-resources'
   import { createEventDispatcher } from 'svelte'
   import tracker from '../../../plugin'
+  import IssuePresenter from '../IssuePresenter.svelte'
+  import ParentNamesPresenter from '../ParentNamesPresenter.svelte'
   import TimeSpendReportPopup from './TimeSpendReportPopup.svelte'
-  import presentation from '@anticrm/presentation'
 
   export let value: string | number | undefined
   export let format: 'text' | 'password' | 'number'
@@ -39,8 +40,9 @@
     if (ev.key === 'Enter') dispatch('close', _value)
   }
   const options: FindOptions<TimeSpendReport> = {
-    lookup: { employee: contact.class.Employee }
+    lookup: { employee: contact.class.Employee, attachedTo: tracker.class.Issue }
   }
+  $: childIds = Array.from((object.childInfo ?? []).map((it) => it.childId))
 </script>
 
 <Card
@@ -54,6 +56,9 @@
     dispatch('close', null)
   }}
 >
+  <svelte:fragment slot="header">
+    <IssuePresenter value={object} disableClick />
+  </svelte:fragment>
   <div class="header no-border flex-col p-1">
     <div class="flex-row-center flex-between">
       <EditBox
@@ -67,11 +72,28 @@
       />
     </div>
   </div>
+  <Label label={tracker.string.ChildEstimation} />:
+  <Scroller tableFade>
+    <TableBrowser
+      _class={tracker.class.Issue}
+      query={{ _id: { $in: childIds } }}
+      config={['', { key: '$lookup.attachedTo', presenter: ParentNamesPresenter }, 'estimation']}
+      {options}
+    />
+  </Scroller>
+  <Label label={tracker.string.ReportedTime} />:
   <Scroller tableFade>
     <TableBrowser
       _class={tracker.class.TimeSpendReport}
-      query={{ attachedTo: object._id }}
-      config={['', '$lookup.employee', 'date', 'description']}
+      query={{ attachedTo: { $in: [object._id, ...childIds] } }}
+      config={[
+        '$lookup.attachedTo',
+        { key: '$lookup.attachedTo', presenter: ParentNamesPresenter },
+        '',
+        '$lookup.employee',
+        'date',
+        'description'
+      ]}
       {options}
     />
   </Scroller>
diff --git a/plugins/tracker-resources/src/components/issues/timereport/EstimationProgressCircle.svelte b/plugins/tracker-resources/src/components/issues/timereport/EstimationProgressCircle.svelte
index 7c94de53c1..5141ab1431 100644
--- a/plugins/tracker-resources/src/components/issues/timereport/EstimationProgressCircle.svelte
+++ b/plugins/tracker-resources/src/components/issues/timereport/EstimationProgressCircle.svelte
@@ -25,9 +25,6 @@
   export let greenColor: string = FernColor
   export let overdueColor = FlamingoColor
 
-  if (value > max) value = max
-  if (value < min) value = min
-
   const lenghtC: number = Math.PI * 14 - 1
   $: procC = lenghtC / (max - min)
   $: dashOffset = (Math.min(value, max) - min) * procC
diff --git a/plugins/tracker-resources/src/components/issues/timereport/ReportedTimeEditor.svelte b/plugins/tracker-resources/src/components/issues/timereport/ReportedTimeEditor.svelte
index 2a18624949..d69ea86367 100644
--- a/plugins/tracker-resources/src/components/issues/timereport/ReportedTimeEditor.svelte
+++ b/plugins/tracker-resources/src/components/issues/timereport/ReportedTimeEditor.svelte
@@ -36,12 +36,18 @@
   function showReports (event: MouseEvent): void {
     showPopup(ReportsPopup, { issue: object }, eventToHTMLElement(event))
   }
+  $: childTime = (object.childInfo ?? []).map((it) => it.reportedTime).reduce((a, b) => a + b, 0)
 </script>
 
 {#if kind === 'link'}
   <div class="link-container flex-between" on:click={showReports}>
     {#if value !== undefined}
-      <span class="overflow-label">{value}</span>
+      <span class="overflow-label">
+        {value}
+        {#if childTime !== 0}
+          / {childTime}
+        {/if}
+      </span>
     {:else}
       <span class="dark-color"><Label label={placeholder} /></span>
     {/if}
@@ -50,7 +56,12 @@
     </div>
   </div>
 {:else if value !== undefined}
-  <span class="overflow-label">{value}</span>
+  <span class="overflow-label">
+    {value}
+    {#if childTime !== 0}
+      / {childTime}
+    {/if}
+  </span>
 {:else}
   <span class="dark-color"><Label label={placeholder} /></span>
 {/if}
diff --git a/plugins/tracker-resources/src/components/issues/timereport/ReportsPopup.svelte b/plugins/tracker-resources/src/components/issues/timereport/ReportsPopup.svelte
index c042c7e6e1..bafd4645e0 100644
--- a/plugins/tracker-resources/src/components/issues/timereport/ReportsPopup.svelte
+++ b/plugins/tracker-resources/src/components/issues/timereport/ReportsPopup.svelte
@@ -20,6 +20,7 @@
   import { Button, eventToHTMLElement, IconAdd, Scroller, showPopup } from '@anticrm/ui'
   import { TableBrowser } from '@anticrm/view-resources'
   import tracker from '../../../plugin'
+  import IssuePresenter from '../IssuePresenter.svelte'
   import TimeSpendReportPopup from './TimeSpendReportPopup.svelte'
   export let issue: Issue
 
@@ -27,7 +28,10 @@
     return true
   }
   const options: FindOptions<TimeSpendReport> = {
-    lookup: { employee: contact.class.Employee }
+    lookup: {
+      attachedTo: tracker.class.Issue,
+      employee: contact.class.Employee
+    }
   }
   function addReport (event: MouseEvent): void {
     showPopup(
@@ -45,11 +49,23 @@
   okAction={() => {}}
   okLabel={presentation.string.Ok}
 >
+  <svelte:fragment slot="header">
+    <IssuePresenter value={issue} disableClick />
+  </svelte:fragment>
   <Scroller tableFade>
     <TableBrowser
       _class={tracker.class.TimeSpendReport}
-      query={{ attachedTo: issue._id }}
-      config={['', '$lookup.employee', 'description', 'date', 'modifiedOn', 'modifiedBy']}
+      query={{ attachedTo: { $in: [issue._id, ...issue.childInfo.map((it) => it.childId)] } }}
+      config={[
+        '$lookup.attachedTo',
+        '$lookup.attachedTo.title',
+        '',
+        '$lookup.employee',
+        'description',
+        'date',
+        'modifiedOn',
+        'modifiedBy'
+      ]}
       {options}
     />
   </Scroller>
diff --git a/plugins/tracker-resources/src/components/sprints/SprintEditor.svelte b/plugins/tracker-resources/src/components/sprints/SprintEditor.svelte
index 17cad3a2a8..bc4a1e9c34 100644
--- a/plugins/tracker-resources/src/components/sprints/SprintEditor.svelte
+++ b/plugins/tracker-resources/src/components/sprints/SprintEditor.svelte
@@ -55,12 +55,15 @@
     )
   }
 
-  $: totalEstimation = (issues ?? [{ estimation: 0 }])
+  $: ids = new Set(issues?.map((it) => it._id) ?? [])
+
+  $: noParents = issues?.filter((it) => !ids.has(it.attachedTo as Ref<Issue>))
+  $: totalEstimation = (noParents ?? [{ estimation: 0 }])
     .map((it) => it.estimation)
     .reduce((it, cur) => {
       return it + cur
     })
-  $: totalReported = (issues ?? [{ reportedTime: 0 }])
+  $: totalReported = (noParents ?? [{ reportedTime: 0 }])
     .map((it) => it.reportedTime)
     .reduce((it, cur) => {
       return it + cur
@@ -108,13 +111,15 @@
     {@const now = Date.now()}
     {#if sprint.startDate < now && now < sprint.targetDate}
       <!-- Active sprint in time -->
-      <Label
-        label={tracker.string.SprintPassed}
-        params={{
-          from: getDayOfSprint(sprint.startDate, now),
-          to: getDayOfSprint(sprint.startDate, sprint.targetDate) - 1
-        }}
-      />
+      <div class="ml-2">
+        <Label
+          label={tracker.string.SprintPassed}
+          params={{
+            from: getDayOfSprint(sprint.startDate, now),
+            to: getDayOfSprint(sprint.startDate, sprint.targetDate) - 1
+          }}
+        />
+      </div>
     {/if}
   {/if}
   <!-- <Label label={tracker.string.SprintDay} value={}/> -->
diff --git a/plugins/tracker-resources/src/plugin.ts b/plugins/tracker-resources/src/plugin.ts
index 5c86490485..6001e101ff 100644
--- a/plugins/tracker-resources/src/plugin.ts
+++ b/plugins/tracker-resources/src/plugin.ts
@@ -224,7 +224,10 @@ export default mergeIds(trackerId, tracker, {
     TimeSpendReportValue: '' as IntlString,
     TimeSpendReportDescription: '' as IntlString,
     TimeSpendValue: '' as IntlString,
-    SprintPassed: '' as IntlString
+    SprintPassed: '' as IntlString,
+
+    ChildEstimation: '' as IntlString,
+    ChildReportedTime: '' as IntlString
   },
   component: {
     NopeComponent: '' as AnyComponent,
diff --git a/plugins/tracker/src/index.ts b/plugins/tracker/src/index.ts
index 7ee434a692..aeedf11c58 100644
--- a/plugins/tracker/src/index.ts
+++ b/plugins/tracker/src/index.ts
@@ -160,10 +160,13 @@ export interface Issue extends AttachedDoc {
 
   // Estimation in man days
   estimation: number
+
   // ReportedTime time, auto updated using trigger.
   reportedTime: number
   // Collection of reportedTime entries, for proper time estimations per person.
   reports: number
+
+  childInfo: IssueChildInfo[]
 }
 
 /**
@@ -191,6 +194,15 @@ export interface IssueParentInfo {
   parentTitle: string
 }
 
+/**
+ * @public
+ */
+export interface IssueChildInfo {
+  childId: Ref<Issue>
+  estimation: number
+  reportedTime: number
+}
+
 /**
  * @public
  */
diff --git a/server-plugins/tracker-resources/src/index.ts b/server-plugins/tracker-resources/src/index.ts
index e6885231a1..a2a5e57584 100644
--- a/server-plugins/tracker-resources/src/index.ts
+++ b/server-plugins/tracker-resources/src/index.ts
@@ -21,10 +21,11 @@ import core, {
   TxCreateDoc,
   TxCUD,
   TxProcessor,
-  TxUpdateDoc
+  TxUpdateDoc,
+  WithLookup
 } from '@anticrm/core'
 import { TriggerControl } from '@anticrm/server-core'
-import tracker, { Issue, TimeSpendReport } from '@anticrm/tracker'
+import tracker, { Issue, IssueParentInfo, TimeSpendReport } from '@anticrm/tracker'
 
 async function updateSubIssues (
   updateTx: TxUpdateDoc<Issue>,
@@ -57,13 +58,32 @@ export async function OnIssueUpdate (tx: Tx, control: TriggerControl): Promise<T
     }
   }
 
-  if (actualTx._class !== core.class.TxUpdateDoc) {
-    return []
+  if (actualTx._class === core.class.TxCreateDoc) {
+    const createTx = actualTx as TxCreateDoc<Issue>
+    if (control.hierarchy.isDerived(createTx.objectClass, tracker.class.Issue)) {
+      const issue = TxProcessor.createDoc2Doc(createTx)
+      const res: Tx[] = []
+      for (const pinfo of issue.parents) {
+        res.push(
+          control.txFactory.createTxUpdateDoc(tracker.class.Issue, issue.space, pinfo.parentId, {
+            $push: {
+              childInfo: {
+                childId: issue._id,
+                estimation: issue.estimation,
+                reportedTime: issue.reportedTime
+              }
+            }
+          })
+        )
+      }
+    }
   }
 
-  const updateTx = actualTx as TxUpdateDoc<Issue>
-  if (control.hierarchy.isDerived(updateTx.objectClass, tracker.class.Issue)) {
-    return await doIssueUpdate(updateTx, control)
+  if (actualTx._class === core.class.TxUpdateDoc) {
+    const updateTx = actualTx as TxUpdateDoc<Issue>
+    if (control.hierarchy.isDerived(updateTx.objectClass, tracker.class.Issue)) {
+      return await doIssueUpdate(updateTx, control)
+    }
   }
   return []
 }
@@ -80,11 +100,15 @@ async function doTimeReportUpdate (cud: TxCUD<TimeSpendReport>, tx: Tx, control:
   switch (cud._class) {
     case core.class.TxCreateDoc: {
       const ccud = cud as TxCreateDoc<TimeSpendReport>
-      return [
+      const res = [
         control.txFactory.createTxUpdateDoc<Issue>(parentTx.objectClass, parentTx.objectSpace, parentTx.objectId, {
           $inc: { reportedTime: ccud.attributes.value }
         })
       ]
+      const [currentIssue] = await control.findAll(tracker.class.Issue, { _id: parentTx.objectId }, { limit: 1 })
+      currentIssue.reportedTime += ccud.attributes.value
+      updateIssueParentEstimations(currentIssue, res, control, currentIssue.parents, currentIssue.parents)
+      return res
     }
     case core.class.TxUpdateDoc: {
       const upd = cud as TxUpdateDoc<TimeSpendReport>
@@ -96,16 +120,21 @@ async function doTimeReportUpdate (cud: TxCUD<TimeSpendReport>, tx: Tx, control:
           })
         ).map(TxProcessor.extractTx)
         const doc: TimeSpendReport | undefined = TxProcessor.buildDoc2Doc(logTxes)
+
+        const res: Tx[] = []
+        const [currentIssue] = await control.findAll(tracker.class.Issue, { _id: parentTx.objectId }, { limit: 1 })
         if (doc !== undefined) {
-          return [
+          res.push(
             control.txFactory.createTxUpdateDoc<Issue>(parentTx.objectClass, parentTx.objectSpace, parentTx.objectId, {
-              $inc: { reportedTime: -1 * doc.value }
-            }),
-            control.txFactory.createTxUpdateDoc<Issue>(parentTx.objectClass, parentTx.objectSpace, parentTx.objectId, {
-              $inc: { reportedTime: upd.operations.value }
+              $inc: { reportedTime: upd.operations.value - doc.value }
             })
-          ]
+          )
+          currentIssue.reportedTime -= doc.value
+          currentIssue.reportedTime += upd.operations.value
         }
+
+        updateIssueParentEstimations(currentIssue, res, control, currentIssue.parents, currentIssue.parents)
+        return res
       }
       break
     }
@@ -118,11 +147,15 @@ async function doTimeReportUpdate (cud: TxCUD<TimeSpendReport>, tx: Tx, control:
       ).map(TxProcessor.extractTx)
       const doc: TimeSpendReport | undefined = TxProcessor.buildDoc2Doc(logTxes)
       if (doc !== undefined) {
-        return [
+        const res = [
           control.txFactory.createTxUpdateDoc<Issue>(parentTx.objectClass, parentTx.objectSpace, parentTx.objectId, {
             $inc: { reportedTime: -1 * doc.value }
           })
         ]
+        const [currentIssue] = await control.findAll(tracker.class.Issue, { _id: parentTx.objectId }, { limit: 1 })
+        currentIssue.reportedTime -= doc.value
+        updateIssueParentEstimations(currentIssue, res, control, currentIssue.parents, currentIssue.parents)
+        return res
       }
     }
   }
@@ -132,13 +165,26 @@ async function doTimeReportUpdate (cud: TxCUD<TimeSpendReport>, tx: Tx, control:
 async function doIssueUpdate (updateTx: TxUpdateDoc<Issue>, control: TriggerControl): Promise<Tx[]> {
   const res: Tx[] = []
 
+  let currentIssue: WithLookup<Issue> | undefined
+
+  async function getCurrentIssue (): Promise<WithLookup<Issue>> {
+    if (currentIssue !== undefined) {
+      return currentIssue
+    }
+    // We need to remove estimation information from out parent issue
+    ;[currentIssue] = await control.findAll(tracker.class.Issue, { _id: updateTx.objectId }, { limit: 1 })
+    return currentIssue
+  }
+
   if (Object.prototype.hasOwnProperty.call(updateTx.operations, 'attachedTo')) {
     const [newParent] = await control.findAll(
       tracker.class.Issue,
       { _id: updateTx.operations.attachedTo as Ref<Issue> },
       { limit: 1 }
     )
+
     const updatedProject = newParent !== undefined ? newParent.project : null
+    const updatedSprint = newParent !== undefined ? newParent.sprint : null
     const updatedParents =
       newParent !== undefined ? [{ parentId: newParent._id, parentTitle: newParent.title }, ...newParent.parents] : []
 
@@ -149,20 +195,44 @@ async function doIssueUpdate (updateTx: TxUpdateDoc<Issue>, control: TriggerCont
           ? {}
           : { parents: [...issue.parents].slice(0, parentInfoIndex + 1).concat(updatedParents) }
 
-      return { ...parentsUpdate, project: updatedProject }
+      return { ...parentsUpdate, project: updatedProject, sprint: updatedSprint }
     }
 
     res.push(
       control.txFactory.createTxUpdateDoc(updateTx.objectClass, updateTx.objectSpace, updateTx.objectId, {
         parents: updatedParents,
-        project: updatedProject
+        project: updatedProject,
+        sprint: updatedSprint
       }),
       ...(await updateSubIssues(updateTx, control, update))
     )
+
+    // Remove from parent estimation list.
+    const issue = await getCurrentIssue()
+    updateIssueParentEstimations(issue, res, control, issue.parents, updatedParents)
   }
 
   if (Object.prototype.hasOwnProperty.call(updateTx.operations, 'project')) {
-    res.push(...(await updateSubIssues(updateTx, control, { project: updateTx.operations.project })))
+    res.push(
+      ...(await updateSubIssues(updateTx, control, {
+        project: updateTx.operations.project,
+        sprint: updateTx.operations.sprint
+      }))
+    )
+  }
+  if (
+    Object.prototype.hasOwnProperty.call(updateTx.operations, 'estimation') ||
+    Object.prototype.hasOwnProperty.call(updateTx.operations, 'reportedTime')
+  ) {
+    const issue = await getCurrentIssue()
+
+    issue.estimation = updateTx.operations.estimation ?? issue.estimation
+    issue.reportedTime = updateTx.operations.reportedTime ?? issue.reportedTime
+
+    updateIssueParentEstimations(issue, res, control, issue.parents, issue.parents)
+  }
+  if (Object.prototype.hasOwnProperty.call(updateTx.operations, 'sprint')) {
+    res.push(...(await updateSubIssues(updateTx, control, { sprint: updateTx.operations.sprint })))
   }
 
   if (Object.prototype.hasOwnProperty.call(updateTx.operations, 'title')) {
@@ -181,3 +251,33 @@ async function doIssueUpdate (updateTx: TxUpdateDoc<Issue>, control: TriggerCont
 
   return res
 }
+function updateIssueParentEstimations (
+  issue: WithLookup<Issue>,
+  res: Tx[],
+  control: TriggerControl,
+  sourceParents: IssueParentInfo[],
+  targetParents: IssueParentInfo[]
+): void {
+  for (const pinfo of sourceParents) {
+    res.push(
+      control.txFactory.createTxUpdateDoc(tracker.class.Issue, issue.space, pinfo.parentId, {
+        $pull: {
+          childInfo: { childId: issue._id }
+        }
+      })
+    )
+  }
+  for (const pinfo of targetParents) {
+    res.push(
+      control.txFactory.createTxUpdateDoc(tracker.class.Issue, issue.space, pinfo.parentId, {
+        $push: {
+          childInfo: {
+            childId: issue._id,
+            estimation: issue.estimation,
+            reportedTime: issue.reportedTime
+          }
+        }
+      })
+    )
+  }
+}
diff --git a/server/mongo/src/storage.ts b/server/mongo/src/storage.ts
index d37d64047a..73216aa56b 100644
--- a/server/mongo/src/storage.ts
+++ b/server/mongo/src/storage.ts
@@ -178,9 +178,10 @@ abstract class MongoAdapterBase extends TxProcessor {
     parent?: string
   ): Promise<any | undefined> {
     const fullKey = parent !== undefined ? parent + '.' + '_id' : '_id'
-    for (const key in lookup._id) {
+    const lid = lookup?._id ?? {}
+    for (const key in lid) {
       const as = parent !== undefined ? parent + key : key
-      const value = lookup._id[key]
+      const value = lid[key]
 
       let _class: Ref<Class<Doc>>
       let attr = 'attachedTo'