diff --git a/app/assets/javascripts/app/controllers/_application_controller_generic.coffee b/app/assets/javascripts/app/controllers/_application_controller_generic.coffee
index 763826791..e6c2c963c 100644
--- a/app/assets/javascripts/app/controllers/_application_controller_generic.coffee
+++ b/app/assets/javascripts/app/controllers/_application_controller_generic.coffee
@@ -1117,7 +1117,7 @@ class App.ObserverController extends App.Controller
           currentAttributes[key] = object[key]
     if @observeNot
       for key, value of object
-        if !@observeNot[key] && !_.isFunction(value) && !_.isObject(value)
+        if key isnt 'cid' && !@observeNot[key] && !_.isFunction(value) && !_.isObject(value)
           currentAttributes[key] = value
 
     if !@lastAttributres
@@ -1128,13 +1128,13 @@ class App.ObserverController extends App.Controller
         @log 'debug', 'maybeRender no diff, no rerender'
         return
 
-    @log 'debug', 'maybeRender.diff', diff
+    @log 'debug', 'maybeRender.diff', diff, @observe, @model
     @lastAttributres = currentAttributes
 
-    @render(object)
+    @render(object, diff)
 
-  render: (object) =>
-    @log 'debug', 'render', @template, object
+  render: (object, diff) =>
+    @log 'debug', 'render', @template, object, diff
     @html App.view(@template)(
       object: object
     )
@@ -1144,5 +1144,5 @@ class App.ObserverController extends App.Controller
 
   release: =>
     #console.trace()
-    @log 'debug', 'release', @object_id, @model
+    @log 'debug', 'release', @object_id, @model, @subscribeId
     App[@model].unsubscribe(@subscribeId)
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom.coffee b/app/assets/javascripts/app/controllers/ticket_zoom.coffee
index ce4d921ed..e658c033c 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom.coffee
@@ -18,11 +18,10 @@ class App.TicketZoom extends App.Controller
       App.TaskManager.remove(@task_key)
       return
 
-    @formMeta             = undefined
-    @ticket_id            = params.ticket_id
-    @article_id           = params.article_id
-    @sidebarState         = {}
-    @ticketLastAttributes = {}
+    @formMeta     = undefined
+    @ticket_id    = params.ticket_id
+    @article_id   = params.article_id
+    @sidebarState = {}
 
     # if we are in init task startup, ignore overview_id
     if !params.init
@@ -51,7 +50,7 @@ class App.TicketZoom extends App.Controller
       update = =>
         @fetch(@ticket_id, false)
       if !@ticketUpdatedAtLastCall || ( new Date(data.updated_at).toString() isnt new Date(@ticketUpdatedAtLastCall).toString() )
-        @delay(update, 1200, "ticket-zoom-#{@ticket_id}")
+        @delay(update, 1100, "ticket-zoom-#{@ticket_id}")
     )
 
     # rerender view, e. g. on langauge change
@@ -59,6 +58,98 @@ class App.TicketZoom extends App.Controller
       @fetch(@ticket_id, true)
     )
 
+  fetch: (ticket_id, force) ->
+    return if !@Session.get()
+
+    # get data
+    @ajax(
+      id:    "ticket_zoom_#{ticket_id}"
+      type:  'GET'
+      url:   "#{@apiPath}/tickets/#{ticket_id}?all=true"
+      processData: true
+      success: (data, status, xhr) =>
+
+        # check if ticket has changed
+        newTicketRaw = data.assets.Ticket[ticket_id]
+        if @ticketUpdatedAtLastCall && !force
+
+          # return if ticket hasnt changed
+          return if @ticketUpdatedAtLastCall is newTicketRaw.updated_at
+
+          # notify if ticket changed not by my self
+          if newTicketRaw.updated_by_id isnt @Session.get('id')
+            App.TaskManager.notify(@task_key)
+
+        # remember current data
+        @ticketUpdatedAtLastCall = newTicketRaw.updated_at
+
+        @load(data)
+        App.SessionStorage(@key, data)
+
+        if !@doNotLog
+          @doNotLog = 1
+          @recentView('Ticket', ticket_id)
+
+      error: (xhr) =>
+        @renderDone = false
+        statusText = xhr.statusText
+        status     = xhr.status
+        detail     = xhr.responseText
+
+        # ignore if request is aborted
+        return if statusText is 'abort'
+
+        # if ticket is already loaded, ignore status "0" - network issues e. g. temp. not connection
+        if @ticketUpdatedAtLastCall && status is 0
+          console.log('network issues e. g. temp. not connection', status, statusText, detail)
+          return
+
+        # show error message
+        if status is 401 || statusText is 'Unauthorized'
+          @taskHead      = '» ' + App.i18n.translateInline('Unauthorized') + ' «'
+          @taskIconClass = 'diagonal-cross'
+          @renderScreenUnauthorized(objectName: 'Ticket')
+        else if status is 404 || statusText is 'Not Found'
+          @taskHead      = '» ' + App.i18n.translateInline('Not Found') + ' «'
+          @taskIconClass = 'diagonal-cross'
+          @renderScreenNotFound(objectName: 'Ticket')
+        else
+          @taskHead      = '» ' + App.i18n.translateInline('Error') + ' «'
+          @taskIconClass = 'diagonal-cross'
+
+          if !detail
+            detail = 'General communication error, maybe internet is not available!'
+          @renderScreenError(
+            status:     status
+            detail:     detail
+            objectName: 'Ticket'
+          )
+    )
+
+  load: (data) =>
+
+    # remember article ids
+    @ticket_article_ids = data.ticket_article_ids
+
+    # remember link
+    @links = data.links
+
+    # remember tags
+    @tags = data.tags
+
+    # get edit form attributes
+    @formMeta = data.form_meta
+
+    # load assets
+    App.Collection.loadAssets(data.assets)
+
+    # get data
+    @ticket = App.Ticket.fullLocal(@ticket_id)
+    @ticket.article = undefined
+
+    # render page
+    @render()
+
   meta: =>
 
     # default attributes
@@ -73,14 +164,14 @@ class App.TicketZoom extends App.Controller
       meta.head = @taskHead
 
     # set icon and title based on ticket
-    if @ticket
-      @ticket        = App.Ticket.fullLocal(@ticket.id)
-      meta.head      = @ticket.title
-      meta.title     = '#' + @ticket.number + ' - ' + @ticket.title
-      meta.class     = "task-state-#{ @ticket.getState() }"
+    if @ticket_id && App.Ticket.exists(@ticket_id)
+      ticket         = App.Ticket.find(@ticket_id)
+      meta.head      = ticket.title
+      meta.title     = "##{ticket.number} - #{ticket.title}"
+      meta.class     = "task-state-#{ ticket.getState() }"
       meta.type      = 'task'
-      meta.iconTitle = @ticket.iconTitle()
-      meta.iconClass = @ticket.iconClass()
+      meta.iconTitle = ticket.iconTitle()
+      meta.iconClass = ticket.iconClass()
     meta
 
   url: =>
@@ -137,107 +228,9 @@ class App.TicketZoom extends App.Controller
     @autosaveStop()
     @positionPageHeaderStop()
 
-  fetch: (ticket_id, force) ->
-    return if !@Session.get()
-
-    # get data
-    @ajax(
-      id:    "ticket_zoom_#{ticket_id}"
-      type:  'GET'
-      url:   "#{@apiPath}/tickets/#{ticket_id}?full=true"
-      processData: true
-      success: (data, status, xhr) =>
-
-        # check if ticket has changed
-        newTicketRaw = data.assets.Ticket[ticket_id]
-        if @ticketUpdatedAtLastCall && !force
-
-          # return if ticket hasnt changed
-          return if @ticketUpdatedAtLastCall is newTicketRaw.updated_at
-
-          # notify if ticket changed not by my self
-          if newTicketRaw.updated_by_id isnt @Session.get('id')
-            App.TaskManager.notify(@task_key)
-
-        # remember current data
-        @ticketUpdatedAtLastCall = newTicketRaw.updated_at
-
-        @load(data, force)
-        App.SessionStorage(@key, data)
-
-        if !@doNotLog
-          @doNotLog = 1
-          @recentView('Ticket', ticket_id)
-
-        # scroll to end of page
-        if force
-          @scrollToBottom()
-          @positionPageHeaderUpdate()
-
-      error: (xhr) =>
-        statusText = xhr.statusText
-        status     = xhr.status
-        detail     = xhr.responseText
-
-        # ignore if request is aborted
-        if statusText is 'abort'
-          return
-
-        # if ticket is already loaded, ignore status "0" - network issues e. g. temp. not connection
-        if @ticketUpdatedAtLastCall && status is 0
-          console.log('network issues e. g. temp. not connection', status, statusText, detail)
-          return
-
-        # show error message
-        if status is 401 || statusText is 'Unauthorized'
-          @taskHead      = '» ' + App.i18n.translateInline('Unauthorized') + ' «'
-          @taskIconClass = 'diagonal-cross'
-          @renderScreenUnauthorized(objectName: 'Ticket')
-        else if status is 404 || statusText is 'Not Found'
-          @taskHead      = '» ' + App.i18n.translateInline('Not Found') + ' «'
-          @taskIconClass = 'diagonal-cross'
-          @renderScreenNotFound(objectName: 'Ticket')
-        else
-          @taskHead      = '» ' + App.i18n.translateInline('Error') + ' «'
-          @taskIconClass = 'diagonal-cross'
-
-          if !detail
-            detail = 'General communication error, maybe internet is not available!'
-          @renderScreenError(
-            status:     status
-            detail:     detail
-            objectName: 'Ticket'
-          )
-    )
-
-
   muteTask: =>
     App.TaskManager.mute(@task_key)
 
-  load: (data, force) =>
-
-    # remember article ids
-    @ticket_article_ids = data.ticket_article_ids
-
-    # remember link
-    @links = data.links
-
-    # remember tags
-    @tags = data.tags
-
-    # get edit form attributes
-    @formMeta = data.form_meta
-
-    # load assets
-    App.Collection.loadAssets(data.assets)
-
-    # get data
-    @ticket = App.Ticket.fullLocal(@ticket_id)
-    @ticket.article = undefined
-
-    # render page
-    @render()
-
   positionPageHeaderStart: =>
 
     # init header update needed for safari, scroll event is fired
@@ -281,10 +274,9 @@ class App.TicketZoom extends App.Controller
     # update taskbar with new meta data
     App.TaskManager.touch(@task_key)
 
-    @formEnable( @$('.submit') )
-
     if !@renderDone
       @renderDone = true
+      @autosaveLast = {}
       elLocal = $(App.view('ticket_zoom')
         ticket:         @ticket
         nav:            @nav
@@ -294,24 +286,23 @@ class App.TicketZoom extends App.Controller
 
       new App.TicketZoomOverviewNavigator(
         el:          elLocal.find('.overview-navigator')
-        ticket_id:   @ticket.id
+        ticket_id:   @ticket_id
         overview_id: @overview_id
       )
 
       new App.TicketZoomTitle(
-        object_id:   @ticket.id
+        object_id:   @ticket_id
         overview_id: @overview_id
         el:          elLocal.find('.ticket-title')
         task_key:    @task_key
       )
 
       new App.TicketZoomMeta(
-        object_id: @ticket.id
+        object_id: @ticket_id
         el:        elLocal.find('.ticket-meta')
       )
 
       new App.TicketZoomAttributeBar(
-        ticket:      @ticket
         el:          elLocal.find('.js-attributeBar')
         overview_id: @overview_id
         callback:    @submit
@@ -322,7 +313,7 @@ class App.TicketZoom extends App.Controller
 
       @articleNew = new App.TicketZoomArticleNew(
         ticket:    @ticket
-        ticket_id: @ticket.id
+        ticket_id: @ticket_id
         el:        elLocal.find('.article-new')
         formMeta:  @formMeta
         form_id:   @form_id
@@ -333,7 +324,7 @@ class App.TicketZoom extends App.Controller
 
       @highligher = new App.TicketZoomHighlighter(
         el:        elLocal.find('.highlighter')
-        ticket_id: @ticket.id
+        ticket_id: @ticket_id
       )
 
       @articleView = new App.TicketZoomArticleView(
@@ -344,27 +335,20 @@ class App.TicketZoom extends App.Controller
         ticket_article_ids: @ticket_article_ids
       )
 
-    # rerender whole sidebar if customer or organization has changed
-    if @ticketLastAttributes.customer_id isnt @ticket.customer_id || @ticketLastAttributes.organization_id isnt @ticket.organization_id
-      if elLocal
-        el = elLocal
-      else
-        el = @el
-      new App.WidgetAvatar(
-        el:        el.find('.ticketZoom-header .js-avatar')
-        object_id: @ticket.customer_id
-        size:      50
+      new App.TicketCustomerAvatar(
+        object_id: @ticket_id
+        el:        elLocal.find('.ticketZoom-header')
       )
+
       @sidebar = new App.TicketZoomSidebar(
-        el:           el.find('.tabsSidebar')
+        el:           elLocal
         sidebarState: @sidebarState
-        object_id:    @ticket.id
+        object_id:    @ticket_id
         model:        'Ticket'
         taskGet:      @taskGet
         task_key:     @task_key
-        tags:         @tags
-        links:        @links
         formMeta:     @formMeta
+        markForm:     @markForm
       )
 
     # render init content
@@ -377,25 +361,35 @@ class App.TicketZoom extends App.Controller
         ticket_article_ids: @ticket_article_ids
       )
 
+    if @sidebar
+
+      # update tags
+      if @sidebar.tagWidget
+        @sidebar.tagWidget.reload(@tags)
+
+      # update links
+      if @sidebar.linkWidget
+        @sidebar.linkWidget.reload(@links)
+
     # scroll to article if given
-    if @article_id && document.getElementById('article-' + @article_id)
-      offset = document.getElementById('article-' + @article_id).offsetTop
+    if @article_id && document.getElementById("article-#{@article_id}")
+      offset = document.getElementById("article-#{@article_id}").offsetTop
       offset = offset - 45
       scrollTo = ->
         @scrollTo(0, offset)
       @delay(scrollTo, 100, false)
 
-    @ticketLastAttributes = @ticket.attributes()
+    if @shown
 
-    if @shown && !@initDone
+      # scroll to end if new article has been added
+      if !@last_ticket_article_ids || !_.isEqual(_.sortBy(@last_ticket_article_ids), _.sortBy(@ticket_article_ids))
+        @last_ticket_article_ids = @ticket_article_ids
+        @scrollToBottom()
+        @positionPageHeaderUpdate()
+
+      return if @initDone
       @initDone = true
 
-      # scroll to end of page
-      @scrollToBottom()
-
-      # observe content header position
-      @positionPageHeaderStart()
-
       # trigger shown if init shown render
       App.Event.trigger('ui::ticket::shown', { ticket_id: @ticket_id })
 
@@ -403,32 +397,34 @@ class App.TicketZoom extends App.Controller
     @main.scrollTop( @main.prop('scrollHeight') )
 
   autosaveStop: =>
+    console.log('autosaveStop')
     @clearDelay('ticket-zoom-form-update')
     @autosaveLast = {}
     @el.off('change.local blur.local keyup.local paste.local input.local')
 
   autosaveStart: =>
+    console.log('autosaveStart')
+    @el.on('change.local blur.local keyup.local paste.local input.local', 'form, .js-textarea', (e) =>
+      @delay(@markForm, 250, 'ticket-zoom-form-update')
+    )
+    @delay(@markForm, 800, 'ticket-zoom-form-update')
+
+  markForm: (force) =>
     if !@autosaveLast
       @autosaveLast = @taskGet()
-    update = =>
-      return if !@ticket
-      currentParams = @formCurrent()
+    return if !@ticket
+    currentParams = @formCurrent()
 
-      # check changed between last autosave
-      sameAsLastSave = _.isEqual(currentParams, @autosaveLast)
-      return if sameAsLastSave
-      @autosaveLast = clone(currentParams)
+    # check changed between last autosave
+    sameAsLastSave = _.isEqual(currentParams, @autosaveLast)
+    return if !force && sameAsLastSave
+    @autosaveLast = clone(currentParams)
 
-      # update changes in ui
-      currentStore = @currentStore()
-      modelDiff = @formDiff(currentParams, currentStore)
-      @markFormDiff(modelDiff)
-      @taskUpdateAll(modelDiff)
-
-    @el.on('change.local blur.local keyup.local paste.local input.local', 'form, .js-textarea', (e) =>
-      @delay(update, 250, 'ticket-zoom-form-update')
-    )
-    @delay(update, 800, 'ticket-zoom-form-update')
+    # update changes in ui
+    currentStore = @currentStore()
+    modelDiff = @formDiff(currentParams, currentStore)
+    @markFormDiff(modelDiff)
+    @taskUpdateAll(modelDiff)
 
   currentStore: =>
     return if !@ticket
@@ -534,7 +530,7 @@ class App.TicketZoom extends App.Controller
     ticketParams = @formParam( @$('.edit') )
 
     # validate ticket
-    ticket = App.Ticket.fullLocal(@ticket.id)
+    ticket = App.Ticket.find(@ticket_id)
 
     # reset article - should not be resubmited on next ticket update
     ticket.article = undefined
@@ -550,13 +546,13 @@ class App.TicketZoom extends App.Controller
 
         # apply tag changes
         if attributes[1] is 'tags'
-          if @sidebar && @sidebar.tagWidget
+          if @sidebar && @sidebar.edit && @sidebar.edit.tagWidget
             tags = content.value.split(',')
             for tag in tags
               if content.operator is 'remove'
-                @sidebar.tagWidget.remove(tag)
+                @sidebar.edit.tagWidget.remove(tag)
               else
-                @sidebar.tagWidget.add(tag)
+                @sidebar.edit.tagWidget.add(tag)
 
         # apply user changes
         else if attributes[1] is 'owner_id'
@@ -671,7 +667,7 @@ class App.TicketZoom extends App.Controller
 
         @autosaveStart()
         @muteTask()
-        @fetch(ticket.id, true)
+        @fetch(ticket.id, false)
 
         # enable form
         @formEnable(e)
@@ -701,7 +697,7 @@ class App.TicketZoom extends App.Controller
     @$('.js-reset').addClass('hide')
 
     # reset edit ticket / reset new article
-    App.Event.trigger('ui::ticket::taskReset', { ticket_id: @ticket.id })
+    App.Event.trigger('ui::ticket::taskReset', { ticket_id: @ticket_id })
 
     # remove change flag on tab
     @$('.tabsSidebar-tab[data-tab="ticket"]').removeClass('is-changed')
@@ -744,7 +740,7 @@ class TicketZoomRouter extends App.ControllerPermanent
       shown:      true
 
     App.TaskManager.execute(
-      key:        'Ticket-' + @ticket_id
+      key:        "Ticket-#{@ticket_id}"
       controller: 'TicketZoom'
       params:     clean_params
       show:       true
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
index 58d98d44e..343308813 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/article_new.coffee
@@ -257,7 +257,8 @@ class App.TicketZoomArticleNew extends App.Controller
           ticket: ticket
           user: App.Session.get()
         )
-      @subscribeIdTextModule = ticket.subscribe(callback)
+      if !@subscribeIdTextModule
+        @subscribeIdTextModule = ticket.subscribe(callback)
 
   params: =>
     params = @formParam( @$('.article-add') )
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee
index 116e30e27..92a71239a 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/article_view.coffee
@@ -86,6 +86,8 @@ class ArticleViewItem extends App.ObserverController
     @el.attr('id', "article-#{article.id}")
     if article.internal
       @el.addClass('is-internal')
+    else
+      @el.removeClass('is-internal')
 
     # prepare html body
     if article.content_type is 'text/html'
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/customer_avatar.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/customer_avatar.coffee
new file mode 100644
index 000000000..f9a632078
--- /dev/null
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/customer_avatar.coffee
@@ -0,0 +1,11 @@
+class App.TicketCustomerAvatar extends App.ObserverController
+  model: 'Ticket'
+  observe:
+    customer_id: true
+
+  render: (ticket) =>
+    new App.WidgetAvatar(
+      el:        @el.find('.js-avatar')
+      object_id: ticket.customer_id
+      size:      50
+    )
diff --git a/app/assets/javascripts/app/controllers/ticket_zoom/sidebar.coffee b/app/assets/javascripts/app/controllers/ticket_zoom/sidebar.coffee
index 2a58e5af4..a07c37781 100644
--- a/app/assets/javascripts/app/controllers/ticket_zoom/sidebar.coffee
+++ b/app/assets/javascripts/app/controllers/ticket_zoom/sidebar.coffee
@@ -1,59 +1,66 @@
-class App.TicketZoomSidebar extends App.ObserverController
+class Edit extends App.ObserverController
   model: 'Ticket'
   observeNot:
     created_at: true
     updated_at: true
 
+  render: (ticket, diff) =>
+    defaults = ticket.attributes()
+    delete defaults.article # ignore article infos
+    taskState = @taskGet('ticket')
+
+    if !_.isEmpty(taskState)
+      defaults = _.extend(defaults, taskState)
+
+    form = new App.ControllerForm(
+      model:    App.Ticket
+      screen:   'edit'
+      handlers: [
+        @ticketFormChanges
+      ]
+      filter:    @formMeta.filter
+      params:    defaults
+      #bookmarkable: true
+    )
+    @html form.html()
+
+    @markForm(true)
+
+    return if @resetBind
+    @resetBind = true
+    @bind('ui::ticket::taskReset', (data) =>
+      return if data.ticket_id isnt ticket.id
+      @render(ticket)
+    )
+
+class App.TicketZoomSidebar extends App.ObserverController
+  model: 'Ticket'
+  observe:
+    customer_id: true
+    organization_id: true
+
   render: (ticket) =>
 
     editTicket = (el) =>
-      el.append('<form class="edit"></form>')
-      @editEl = el
+      el.append('<form><fieldset class="edit"></fieldset></form><div class="tags"></div><div class="links"></div>')
 
-      show = (ticket) =>
-        el.find('.edit').html('')
-
-        defaults = ticket.attributes()
-        delete defaults.article # ignore article infos
-        taskState = @taskGet('ticket')
-        modelDiff = App.Utils.formDiff(taskState, defaults)
-
-        if !_.isEmpty(taskState)
-          defaults = _.extend(defaults, taskState)
-
-        new App.ControllerForm(
-          el:       el.find('.edit')
-          model:    App.Ticket
-          screen:   'edit'
-          handlers: [
-            @ticketFormChanges
-          ]
-          filter:    @formMeta.filter
-          params:    defaults
-          #bookmarkable: true
-        )
-        #console.log('Ichanges', modelDiff, taskState, ticket.attributes(), defaults)
-        #@markFormDiff( modelDiff )
-
-      show(ticket)
-      @bind(
-        'ui::ticket::taskReset'
-        (data) ->
-          if data.ticket_id is ticket.id
-            show(ticket)
+      @edit = new Edit(
+        object_id: ticket.id
+        el:        el.find('.edit')
+        taskGet:   @taskGet
+        formMeta:  @formMeta
+        markForm:  @markForm
       )
 
       if !@isRole('Customer')
-        el.append('<div class="tags"></div>')
         @tagWidget = new App.WidgetTag(
-          el:          el.find('.tags')
+          el:          @el.find('.tags')
           object_type: 'Ticket'
           object:      ticket
           tags:        @tags
         )
-        el.append('<div class="links"></div>')
         @linkWidget = new App.WidgetLink(
-          el:          el.find('.links')
+          el:          @el.find('.links')
           object_type: 'Ticket'
           object:      ticket
           links:       @links
@@ -166,7 +173,7 @@ class App.TicketZoomSidebar extends App.ObserverController
           callback: showOrganization
         }
     new App.Sidebar(
-      el:           @el
+      el:           @el.find('.tabsSidebar')
       sidebarState: @sidebarState
       items:        @sidebarItems
     )
diff --git a/app/assets/javascripts/app/controllers/widget/link.coffee b/app/assets/javascripts/app/controllers/widget/link.coffee
index ba16440c4..595533aaf 100644
--- a/app/assets/javascripts/app/controllers/widget/link.coffee
+++ b/app/assets/javascripts/app/controllers/widget/link.coffee
@@ -30,7 +30,13 @@ class App.WidgetLink extends App.Controller
         @render()
     )
 
+  reload: (links) ->
+    @links = links
+    @render()
+
   render: =>
+    return if @lastLinks && _.isEqual(@lastLinks, @links)
+    lastLinks = @links
     list = {}
     for item in @links
       if !list[ item['link_type'] ]
diff --git a/app/assets/javascripts/app/controllers/widget/tag.coffee b/app/assets/javascripts/app/controllers/widget/tag.coffee
index 53894a279..41f89fbb9 100644
--- a/app/assets/javascripts/app/controllers/widget/tag.coffee
+++ b/app/assets/javascripts/app/controllers/widget/tag.coffee
@@ -29,7 +29,7 @@ class App.WidgetTag extends App.Controller
     @ajax(
       id:    @key
       type:  'GET'
-      url:   @apiPath + '/tags'
+      url:   "#{@apiPath}/tags"
       data:
         object: @object_type
         o_id:   @object.id
@@ -39,7 +39,13 @@ class App.WidgetTag extends App.Controller
         @render()
     )
 
+  reload: (tags) ->
+    @tags = tags
+    @render()
+
   render: ->
+    return if @lastTags && _.isEqual(@lastTags, @tags)
+    lastTags = @tags
     @html App.view('widget/tag')(
       tags: @tags || [],
     )
@@ -87,7 +93,7 @@ class App.WidgetTag extends App.Controller
 
     @ajax(
       type:  'GET'
-      url:   @apiPath + '/tags/add'
+      url:   "#{@apiPath}/tags/add"
       data:
         object: @object_type
         o_id:   @object.id
@@ -110,7 +116,7 @@ class App.WidgetTag extends App.Controller
 
     @ajax(
       type:  'GET'
-      url:   @apiPath + '/tags/remove'
+      url:   "#{@apiPath}/tags/remove"
       data:
         object: @object_type
         o_id:   @object.id
diff --git a/app/assets/javascripts/app/lib/app_post/collection.coffee b/app/assets/javascripts/app/lib/app_post/collection.coffee
index cb99b3832..973d3c765 100644
--- a/app/assets/javascripts/app/lib/app_post/collection.coffee
+++ b/app/assets/javascripts/app/lib/app_post/collection.coffee
@@ -65,8 +65,17 @@ class _collectionSingleton extends Spine.Module
 
   loadAssets: (assets) ->
     @log 'debug', 'loadAssets', assets
+
+    # proess not existing assets / to avoid not exising ref errors
+    loadAssetsLater = []
     for type, collections of assets
-      @load(type: type, data: collections)
+      later = @load(type: type, data: collections, later: true)
+      if later
+        loadAssetsLater[type] = later
+
+    # proess existing assets
+    for type, collections of loadAssetsLater
+      App[type].refresh(collections)
 
   load: (params) ->
 
@@ -81,11 +90,13 @@ class _collectionSingleton extends Spine.Module
 
     # load full array once
     if _.isArray(params.data)
+      @log 'debug', 'refresh', params.data
       appObject.refresh(params.data)
       return
 
     # load data from object
     listToRefresh = []
+    listToRefreshLater = []
     for key, object of params.data
       if !params.refresh && appObject
         @log 'debug', 'refrest try', params.type, key
@@ -93,15 +104,22 @@ class _collectionSingleton extends Spine.Module
         # check if new object is newer, just load newer objects
         if object.updated_at && appObject.exists(key)
           exists = appObject.find(key)
+          objectToLoad = undefined
           if exists.updated_at
             if exists.updated_at < object.updated_at
-              listToRefresh.push object
+              objectToLoad = object
               @log 'debug', 'refrest newser', params.type, key
           else
-            listToRefresh.push object
+            objectToLoad = object
             @log 'debug', 'refrest try no updated_at', params.type, key
+          if objectToLoad
+            if params.later
+              listToRefreshLater.push objectToLoad
+            else
+              listToRefresh.push object
         else
           listToRefresh.push object
           @log 'debug', 'refrest new', params.type, key
-    return if _.isEmpty(listToRefresh)
+    return listToRefreshLater if _.isEmpty(listToRefresh)
     appObject.refresh(listToRefresh)
+    listToRefreshLater
diff --git a/app/assets/javascripts/app/models/_application_model.coffee b/app/assets/javascripts/app/models/_application_model.coffee
index 9c8cc2fc5..24901b29a 100644
--- a/app/assets/javascripts/app/models/_application_model.coffee
+++ b/app/assets/javascripts/app/models/_application_model.coffee
@@ -347,7 +347,7 @@ class App.Model extends Spine.Model
             clear: true
           )
 
-        'Collection::Subscribe::' + @className
+        "Collection::Subscribe::#{@className}"
       )
 
     key = @className + '-' + Math.floor( Math.random() * 99999 )
@@ -454,9 +454,9 @@ class App.Model extends Spine.Model
               if !genericObject || new Date(item.updated_at) >= new Date(genericObject.updated_at)
                 App.Log.debug('Model', "request #{@className}.find(#{item.id}) from server")
                 @full(item.id, false, true)
-            App.Delay.set(callback, 500, item.id, "full-#{@className}")
+            App.Delay.set(callback, 500, item.id, "full-#{@className}-#{item.id}")
 
-        'Item::Subscribe::' + @className
+        "Item::Subscribe::#{@className}"
       )
 
     # remember item callback
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 455cf6f81..c7cce27e4 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -339,6 +339,13 @@ class ApplicationController < ActionController::Base
     false
   end
 
+  def article_permission(article)
+    ticket = Ticket.lookup(id: article.ticket_id)
+    return true if ticket.permission(current_user: current_user)
+    response_access_deny
+    false
+  end
+
   def deny_if_not_role(role_name)
     return false if role?(role_name)
     response_access_deny
@@ -445,6 +452,12 @@ class ApplicationController < ActionController::Base
 
   def model_show_render (object, params)
 
+    if params[:expand]
+      generic_object = object.find(params[:id])
+      model_show_render_item(generic_object)
+      return
+    end
+
     if params[:full]
       generic_object_full = object.full(params[:id])
       render json: generic_object_full, status: :ok
diff --git a/app/controllers/organizations_controller.rb b/app/controllers/organizations_controller.rb
index 8abc20cdd..2fdc72f3c 100644
--- a/app/controllers/organizations_controller.rb
+++ b/app/controllers/organizations_controller.rb
@@ -113,7 +113,7 @@ curl http://localhost/api/v1/organizations/#{id} -v -u #{login}:#{password}
       end
     end
     if params[:full]
-      full = Organization.full( params[:id] )
+      full = Organization.full(params[:id])
       render json: full
       return
     end
diff --git a/app/controllers/taskbar_controller.rb b/app/controllers/taskbar_controller.rb
index e93cb3f10..dd643d5f2 100644
--- a/app/controllers/taskbar_controller.rb
+++ b/app/controllers/taskbar_controller.rb
@@ -5,13 +5,13 @@ class TaskbarController < ApplicationController
 
   def index
 
-    current_user_tasks = Taskbar.where( user_id: current_user.id )
+    current_user_tasks = Taskbar.where(user_id: current_user.id)
     model_index_render_result(current_user_tasks)
 
   end
 
   def show
-    taskbar = Taskbar.find( params[:id] )
+    taskbar = Taskbar.find(params[:id])
     return if !access(taskbar)
 
     model_show_render_item(taskbar)
@@ -22,15 +22,15 @@ class TaskbarController < ApplicationController
   end
 
   def update
-    taskbar = Taskbar.find( params[:id] )
+    taskbar = Taskbar.find(params[:id])
     return if !access(taskbar)
 
-    taskbar.update_attributes!( Taskbar.param_cleanup(params) )
+    taskbar.update_attributes!(Taskbar.param_cleanup(params))
     model_update_render_item(taskbar)
   end
 
   def destroy
-    taskbar = Taskbar.find( params[:id] )
+    taskbar = Taskbar.find(params[:id])
     return if !access(taskbar)
 
     taskbar.destroy
diff --git a/app/controllers/ticket_articles_controller.rb b/app/controllers/ticket_articles_controller.rb
index a80438273..e1b23a1ff 100644
--- a/app/controllers/ticket_articles_controller.rb
+++ b/app/controllers/ticket_articles_controller.rb
@@ -19,19 +19,24 @@ class TicketArticlesController < ApplicationController
 
   # POST /articles
   def create
-    form_id = params[:ticket_article][:form_id]
-    params[:ticket_article].delete(:form_id)
-    @article = Ticket::Article.new(Ticket::Article.param_validation( params[:ticket_article]))
+    form_id = params[:form_id]
+
+    clean_params = Ticket::Article.param_association_lookup(params)
+    clean_params = Ticket::Article.param_cleanup(clean_params, true)
+    article = Ticket::Article.new(clean_params)
+
+    # permission check
+    return if !article_permission(article)
 
     # find attachments in upload cache
     if form_id
-      @article.attachments = Store.list(
+      article.attachments = Store.list(
         object: 'UploadCache',
         o_id: form_id,
       )
     end
 
-    if @article.save
+    if article.save
 
       # remove attachments from upload cache
       Store.remove(
@@ -39,27 +44,34 @@ class TicketArticlesController < ApplicationController
         o_id: form_id,
       )
 
-      render json: @article, status: :created
+      render json: article, status: :created
     else
-      render json: @article.errors, status: :unprocessable_entity
+      render json: article.errors, status: :unprocessable_entity
     end
   end
 
   # PUT /articles/1
   def update
-    @article = Ticket::Article.find(params[:id])
 
-    if @article.update_attributes(Ticket::Article.param_validation(params[:ticket_article]))
-      render json: @article, status: :ok
+    # permission check
+    article = Ticket::Article.find(params[:id])
+    return if !article_permission(article)
+
+    clean_params = Ticket::Article.param_association_lookup(params)
+    clean_params = Ticket::Article.param_cleanup(clean_params, true)
+
+    if article.update_attributes(clean_params)
+      render json: article, status: :ok
     else
-      render json: @article.errors, status: :unprocessable_entity
+      render json: article.errors, status: :unprocessable_entity
     end
   end
 
   # DELETE /articles/1
   def destroy
-    @article = Ticket::Article.find(params[:id])
-    @article.destroy
+    article = Ticket::Article.find(params[:id])
+    return if !article_permission(article)
+    article.destroy
 
     head :ok
   end
@@ -121,18 +133,18 @@ class TicketArticlesController < ApplicationController
     }
   end
 
-  # GET /ticket_attachment/1
+  # GET /ticket_attachment/:ticket_id/:article_id/:id
   def attachment
 
     # permission check
     ticket = Ticket.lookup(id: params[:ticket_id])
     if !ticket_permission(ticket)
-      render(json: 'No such ticket.', status: :unauthorized)
+      render json: 'No such ticket.', status: :unauthorized
       return
     end
     article = Ticket::Article.find(params[:article_id])
     if ticket.id != article.ticket_id
-      render(json: 'No access, article_id/ticket_id is not matching.', status: :unauthorized)
+      render json: 'No access, article_id/ticket_id is not matching.', status: :unauthorized
       return
     end
 
@@ -144,7 +156,7 @@ class TicketArticlesController < ApplicationController
       end
     }
     if !access
-      render(json: 'Requested file id is not linked with article_id.', status: :unauthorized)
+      render json: 'Requested file id is not linked with article_id.', status: :unauthorized
       return
     end
 
@@ -163,7 +175,7 @@ class TicketArticlesController < ApplicationController
 
     # permission check
     article = Ticket::Article.find(params[:id])
-    return if !ticket_permission(article.ticket)
+    return if !article_permission(article)
 
     list = Store.list(
       object: 'Ticket::Article::Mail',
diff --git a/app/controllers/tickets_controller.rb b/app/controllers/tickets_controller.rb
index 17dc0da70..2c1c21fa8 100644
--- a/app/controllers/tickets_controller.rb
+++ b/app/controllers/tickets_controller.rb
@@ -41,7 +41,13 @@ class TicketsController < ApplicationController
     return if !ticket_permission(ticket)
 
     if params[:full]
-      render json: ticket_full(ticket)
+      full = Ticket.full(params[:id])
+      render json: full
+      return
+    end
+
+    if params[:all]
+      render json: ticket_all(ticket)
       return
     end
 
@@ -555,7 +561,7 @@ class TicketsController < ApplicationController
     )
   end
 
-  def ticket_full(ticket)
+  def ticket_all(ticket)
 
     # get attributes to update
     attributes_to_change = Ticket::ScreenOptions.attributes_to_change(user: current_user, ticket: ticket)
diff --git a/app/models/application_model.rb b/app/models/application_model.rb
index 3ad603ddf..1d6620c1c 100644
--- a/app/models/application_model.rb
+++ b/app/models/application_model.rb
@@ -1280,6 +1280,24 @@ get assets and record_ids of selector
     assets
   end
 
+=begin
+
+touch references by params
+
+  Model.touch_reference_by_params(
+    object: 'Ticket',
+    o_id: 123,
+  )
+
+=end
+
+  def self.touch_reference_by_params(data)
+    object_class = Kernel.const_get(data[:object])
+    object = object_class.lookup(id: data[:o_id])
+    return if !object
+    object.touch
+  end
+
   private
 
   def attachments_buffer
diff --git a/app/models/link.rb b/app/models/link.rb
index 78beb34ba..76178eafa 100644
--- a/app/models/link.rb
+++ b/app/models/link.rb
@@ -75,21 +75,29 @@ class Link < ApplicationModel
   def self.add(data)
 
     if data.key?(:link_type)
-      linktype = link_type_get( name: data[:link_type] )
+      linktype = link_type_get(name: data[:link_type])
       data[:link_type_id] = linktype.id
-      data.delete( :link_type )
+      data.delete(:link_type)
     end
 
     if data.key?(:link_object_source)
-      linkobject = link_object_get( name: data[:link_object_source] )
+      linkobject = link_object_get(name: data[:link_object_source])
       data[:link_object_source_id] = linkobject.id
-      data.delete( :link_object_source )
+      touch_reference_by_params(
+        object: data[:link_object_source],
+        o_id: data[:link_object_source_value],
+      )
+      data.delete(:link_object_source)
     end
 
     if data.key?(:link_object_target)
-      linkobject = link_object_get( name: data[:link_object_target] )
+      linkobject = link_object_get(name: data[:link_object_target])
       data[:link_object_target_id] = linkobject.id
-      data.delete( :link_object_target )
+      touch_reference_by_params(
+        object: data[:link_object_target],
+        o_id: data[:link_object_target_value],
+      )
+      data.delete(:link_object_target)
     end
 
     Link.create(data)
@@ -109,18 +117,18 @@ class Link < ApplicationModel
 
   def self.remove(data)
     if data.key?(:link_object_source)
-      linkobject = link_object_get( name: data[:link_object_source] )
+      linkobject = link_object_get(name: data[:link_object_source])
       data[:link_object_source_id] = linkobject.id
     end
 
     if data.key?(:link_object_target)
-      linkobject = link_object_get( name: data[:link_object_target] )
+      linkobject = link_object_get(name: data[:link_object_target])
       data[:link_object_target_id] = linkobject.id
     end
 
     # from one site
     if data.key?(:link_type)
-      linktype = link_type_get( name: data[:link_type] )
+      linktype = link_type_get(name: data[:link_type])
       data[:link_type_id] = linktype.id
     end
     links = Link.where(
@@ -130,11 +138,23 @@ class Link < ApplicationModel
       link_object_target_id: data[:link_object_target_id],
       link_object_target_value: data[:link_object_target_value]
     )
-    links.each(&:destroy)
+
+    # touch references
+    links.each {|link|
+      link.destroy
+      touch_reference_by_params(
+        object: Link::Object.lookup(id: link.link_object_source_id).name,
+        o_id: link.link_object_source_value,
+      )
+      touch_reference_by_params(
+        object: Link::Object.lookup(id: link.link_object_target_id).name,
+        o_id: link.link_object_target_value,
+      )
+    }
 
     # from the other site
     if data.key?(:link_type)
-      linktype = link_type_get( name: @map[ data[:link_type] ] )
+      linktype = link_type_get(name: @map[ data[:link_type] ])
       data[:link_type_id] = linktype.id
     end
     links = Link.where(
@@ -144,25 +164,33 @@ class Link < ApplicationModel
       link_object_source_id: data[:link_object_target_id],
       link_object_source_value: data[:link_object_target_value]
     )
-    links.each(&:destroy)
+
+    # touch references
+    links.each {|link|
+      link.destroy
+      touch_reference_by_params(
+        object: Link::Object.lookup(id: link.link_object_source_id).name,
+        o_id: link.link_object_source_value,
+      )
+      touch_reference_by_params(
+        object: Link::Object.lookup(id: link.link_object_target_id).name,
+        o_id: link.link_object_target_value,
+      )
+    }
   end
 
   def self.link_type_get(data)
-    linktype = Link::Type.find_by( name: data[:name] )
+    linktype = Link::Type.find_by(name: data[:name])
     if !linktype
-      linktype = Link::Type.create(
-        name: data[:name]
-      )
+      linktype = Link::Type.create(name: data[:name])
     end
     linktype
   end
 
   def self.link_object_get(data)
-    linkobject = Link::Object.find_by( name: data[:name] )
+    linkobject = Link::Object.find_by(name: data[:name])
     if !linkobject
-      linkobject = Link::Object.create(
-        name: data[:name]
-      )
+      linkobject = Link::Object.create(name: data[:name])
     end
     linkobject
   end
diff --git a/app/models/tag.rb b/app/models/tag.rb
index 368dd732c..6f5d682ca 100644
--- a/app/models/tag.rb
+++ b/app/models/tag.rb
@@ -7,7 +7,20 @@ class Tag < ApplicationModel
   # rubocop:disable Style/ClassVars
   @@cache_item = {}
   @@cache_object = {}
-  # rubocop:enable Style/ClassVars
+# rubocop:enable Style/ClassVars
+
+=begin
+
+add tags for certain object
+
+  Tag.tag_add(
+    object: 'Ticket',
+    o_id: ticket.id,
+    item: 'some tag',
+    created_by_id: current_user.id,
+  )
+
+=end
 
   def self.tag_add(data)
 
@@ -30,9 +43,25 @@ class Tag < ApplicationModel
       o_id: data[:o_id],
       created_by_id: data[:created_by_id],
     )
+
+    # touch reference
+    touch_reference_by_params(data)
     true
   end
 
+=begin
+
+remove tags of certain object
+
+  Tag.tag_add(
+    object: 'Ticket',
+    o_id: ticket.id,
+    item: 'some tag',
+    created_by_id: current_user.id,
+  )
+
+=end
+
   def self.tag_remove(data)
 
     # lookups
@@ -50,9 +79,29 @@ class Tag < ApplicationModel
       o_id: data[:o_id],
     )
     result.each(&:destroy)
+
+    # touch reference
+    touch_reference_by_params(data)
     true
   end
 
+=begin
+
+tag list for certain object
+
+  tags = Tag.tag_list(
+    object: 'Ticket',
+    o_id: ticket.id,
+    item: 'some tag',
+    created_by_id: current_user.id,
+  )
+
+returns
+
+  ['tag 1', 'tag2', ...]
+
+=end
+
   def self.tag_list(data)
     tag_object_id_requested = tag_object_lookup(data[:object])
     tag_search = Tag.where(
diff --git a/app/models/ticket/assets.rb b/app/models/ticket/assets.rb
index 65b5c5f76..906650574 100644
--- a/app/models/ticket/assets.rb
+++ b/app/models/ticket/assets.rb
@@ -6,16 +6,16 @@ module Ticket::Assets
 get all assets / related models for this ticket
 
   ticket = Ticket.find(123)
-  result = ticket.assets( assets_if_exists )
+  result = ticket.assets(assets_if_exists)
 
 returns
 
   result = {
-    :users => {
-      123  => user_model_123,
-      1234 => user_model_1234,
-    }
-    :tickets => [ ticket_model1 ]
+    users: {
+      123: user_model_123,
+      1234: user_model_1234,
+    },
+    tickets: [ ticket_model1 ]
   }
 
 =end