diff --git a/internal_packages/notifications/lib/sidebar/activity-sidebar.cjsx b/internal_packages/notifications/lib/sidebar/activity-sidebar.cjsx
index 15622d84e..9705e894f 100644
--- a/internal_packages/notifications/lib/sidebar/activity-sidebar.cjsx
+++ b/internal_packages/notifications/lib/sidebar/activity-sidebar.cjsx
@@ -4,15 +4,19 @@ ReactCSSTransitionGroup = require 'react-addons-css-transition-group'
 _ = require 'underscore'
 classNames = require 'classnames'
 
-StreamingSyncActivity = require './streaming-sync-activity'
-InitialSyncActivity = require('./initial-sync-activity').default
+SyncActivity = require("./sync-activity").default
+SyncbackActivity = require("./syncback-activity").default
 
 {Utils,
  Actions,
  TaskQueue,
  AccountStore,
  NylasSyncStatusStore,
- TaskQueueStatusStore} = require 'nylas-exports'
+ TaskQueueStatusStore
+ PerformSendActionTask,
+ SendDraftTask} = require 'nylas-exports'
+
+SEND_TASK_CLASSES = [PerformSendActionTask, SendDraftTask]
 
 class ActivitySidebar extends React.Component
   @displayName: 'ActivitySidebar'
@@ -38,12 +42,14 @@ class ActivitySidebar extends React.Component
     unlisten() for unlisten in @_unlisteners
 
   render: =>
-    items = @_renderTaskActivityItems()
+    sendTasks = []
+    nonSendTasks = []
+    @state.tasks.forEach (task) ->
+      if SEND_TASK_CLASSES.some(((taskClass) -> task instanceof taskClass ))
+        sendTasks.push(task)
+      else
+        nonSendTasks.push(task)
 
-    if @state.isInitialSyncComplete
-      items.push <StreamingSyncActivity key="streaming-sync" />
-    else
-      items.push <InitialSyncActivity key="initial-sync-activity" />
 
     names = classNames
       "sidebar-activity": true
@@ -51,16 +57,17 @@ class ActivitySidebar extends React.Component
 
     wrapperClass = "sidebar-activity-transition-wrapper "
 
-    if items.length is 0
-      wrapperClass += "sidebar-activity-empty"
-    else
-      inside = <ReactCSSTransitionGroup
-        className={names}
-        transitionLeaveTimeout={625}
-        transitionEnterTimeout={125}
-        transitionName="activity-opacity">
-        {items}
-      </ReactCSSTransitionGroup>
+    inside = <ReactCSSTransitionGroup
+      className={names}
+      transitionLeaveTimeout={625}
+      transitionEnterTimeout={125}
+      transitionName="activity-opacity">
+        <SyncbackActivity syncbackTasks={sendTasks} />
+        <SyncActivity
+          initialSync={!@state.isInitialSyncComplete}
+          syncbackTasks={nonSendTasks}
+        />
+    </ReactCSSTransitionGroup>
 
     <ReactCSSTransitionGroup
       className={wrapperClass}
@@ -70,23 +77,6 @@ class ActivitySidebar extends React.Component
         {inside}
     </ReactCSSTransitionGroup>
 
-  _renderTaskActivityItems: =>
-    summary = {}
-
-    @state.tasks.map (task) ->
-      label = task.label?()
-      return unless label
-      summary[label] ?= 0
-      summary[label] += task.numberOfImpactedItems()
-
-    _.pairs(summary).map ([label, count]) ->
-      <div className="item" key={label}>
-        <div className="inner">
-          <span className="count">({new Number(count).toLocaleString()})</span>
-          {label}
-        </div>
-      </div>
-
   _onDataChanged: =>
     @setState(@_getStateFromStores())
 
diff --git a/internal_packages/notifications/lib/sidebar/initial-sync-activity.jsx b/internal_packages/notifications/lib/sidebar/initial-sync-activity.jsx
index aba59866c..dfe560ebc 100644
--- a/internal_packages/notifications/lib/sidebar/initial-sync-activity.jsx
+++ b/internal_packages/notifications/lib/sidebar/initial-sync-activity.jsx
@@ -1,7 +1,6 @@
 import _ from 'underscore';
 import _str from 'underscore.string';
-import classNames from 'classnames';
-import {Utils, Actions, AccountStore, NylasSyncStatusStore, React} from 'nylas-exports';
+import {Utils, AccountStore, NylasSyncStatusStore, React} from 'nylas-exports';
 
 const MONTH_SHORT_FORMATS = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul',
   'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
@@ -12,7 +11,6 @@ export default class InitialSyncActivity extends React.Component {
   constructor(props) {
     super(props);
     this.state = {
-      isExpanded: false,
       syncState: NylasSyncStatusStore.getSyncState(),
       syncProgress: NylasSyncStatusStore.getSyncProgress(),
     }
@@ -21,10 +19,7 @@ export default class InitialSyncActivity extends React.Component {
 
   componentDidMount() {
     this.mounted = true;
-    this.unsubs = [
-      NylasSyncStatusStore.listen(this.onDataChanged),
-      Actions.expandInitialSyncState.listen(this.showExpandedState),
-    ]
+    this.unsub = NylasSyncStatusStore.listen(this.onDataChanged)
   }
 
   shouldComponentUpdate(nextProps, nextState) {
@@ -33,9 +28,7 @@ export default class InitialSyncActivity extends React.Component {
   }
 
   componentWillUnmount() {
-    if (this.unsubs) {
-      this.unsubs.forEach((unsub) => unsub())
-    }
+    this.unsub();
     this.mounted = false;
   }
 
@@ -45,24 +38,42 @@ export default class InitialSyncActivity extends React.Component {
     this.setState({syncState, syncProgress});
   }
 
-  hideExpandedState = () => {
-    this.setState({isExpanded: false});
-  }
-
-  showExpandedState = () => {
-    if (!this.state.isExpanded) {
-      this.setState({isExpanded: true});
+  renderFolderProgress(name, progress, oldestProcessedDate) {
+    let status = 'busy';
+    let progressLabel = 'In Progress'
+    let syncedThrough = 'Syncing this past month';
+    if (progress === 1) {
+      status = 'complete';
+      progressLabel = '';
+      syncedThrough = 'Up to date'
     } else {
-      this.setState({blink: true});
-      setTimeout(() => {
-        if (this.mounted) {
-          this.setState({blink: false});
+      let month = oldestProcessedDate.getMonth();
+      let year = oldestProcessedDate.getFullYear();
+      const currentDate = new Date();
+      if (month !== currentDate.getMonth() || year !== currentDate.getFullYear()) {
+        // We're currently syncing in `month`, which mean's we've synced through all
+        // of the month *after* it.
+        month++;
+        if (month === 12) {
+          month = 0;
+          year++;
         }
-      }, 1000)
+        syncedThrough = `Synced through ${MONTH_SHORT_FORMATS[month]} ${year}`;
+      }
     }
+
+    return (
+      <div className={`model-progress ${status}`} key={name} title={syncedThrough}>
+        {_str.titleize(name)} <span className="progress-label">{progressLabel}</span>
+      </div>
+    )
   }
 
-  renderExpandedSyncState() {
+  render() {
+    if (!AccountStore.accountsAreSyncing() || this.state.syncProgress.progress === 1) {
+      return false;
+    }
+
     let maxHeight = 0;
     let accounts = _.map(this.state.syncState, (accountSyncState, accountId) => {
       const account = _.findWhere(AccountStore.accounts(), {id: accountId});
@@ -101,70 +112,9 @@ export default class InitialSyncActivity extends React.Component {
         key="expanded-sync-state"
         style={{maxHeight: `${maxHeight + 500}px`}}
       >
-        <a className="close-expanded" onClick={this.hideExpandedState}>
-          <span style={{cursor: "pointer"}}>Hide</span>
-        </a>
         {accounts}
       </div>
     )
   }
 
-  renderFolderProgress(name, progress, oldestProcessedDate) {
-    let status = 'busy';
-    let progressLabel = 'In Progress'
-    let syncedThrough = 'Syncing this past month';
-    if (progress === 1) {
-      status = 'complete';
-      progressLabel = '';
-      syncedThrough = 'Up to date'
-    } else {
-      let month = oldestProcessedDate.getMonth();
-      let year = oldestProcessedDate.getFullYear();
-      const currentDate = new Date();
-      if (month !== currentDate.getMonth() || year !== currentDate.getFullYear()) {
-        // We're currently syncing in `month`, which mean's we've synced through all
-        // of the month *after* it.
-        month++;
-        if (month === 12) {
-          month = 0;
-          year++;
-        }
-        syncedThrough = `Synced through ${MONTH_SHORT_FORMATS[month]} ${year}`;
-      }
-    }
-
-    return (
-      <div className={`model-progress ${status}`} key={name} title={syncedThrough}>
-        {_str.titleize(name)} <span className="progress-label">{progressLabel}</span>
-      </div>
-    )
-  }
-
-  render() {
-    if (!AccountStore.accountsAreSyncing()) {
-      return false;
-    }
-
-    const {syncProgress: {progress}} = this.state
-    if (progress === 1) {
-      return false;
-    }
-
-    const classSet = classNames({
-      'item': true,
-      'expanded-sync': this.state.isExpanded,
-      'blink': this.state.blink,
-    });
-
-    return (
-      <div
-        className={classSet}
-        key="initial-sync"
-        onClick={() => (this.setState({isExpanded: !this.state.isExpanded}))}
-      >
-        <div className="inner">Syncing your mailbox</div>
-        {this.state.isExpanded ? this.renderExpandedSyncState() : false}
-      </div>
-    )
-  }
 }
diff --git a/internal_packages/notifications/lib/sidebar/sync-activity.jsx b/internal_packages/notifications/lib/sidebar/sync-activity.jsx
new file mode 100644
index 000000000..b4a1f4f96
--- /dev/null
+++ b/internal_packages/notifications/lib/sidebar/sync-activity.jsx
@@ -0,0 +1,97 @@
+import classNames from 'classnames';
+import {Actions, React, Utils} from 'nylas-exports';
+
+import InitialSyncActivity from './initial-sync-activity';
+import SyncbackActivity from './syncback-activity';
+
+export default class SyncActivity extends React.Component {
+
+  static propTypes = {
+    initialSync: React.PropTypes.bool,
+    syncbackTasks: React.PropTypes.array,
+  }
+
+  constructor() {
+    super()
+    this.state = {
+      expanded: false,
+      blink: false,
+    }
+    this.mounted = false;
+  }
+
+  componentDidMount() {
+    this.mounted = true;
+    this.unsub = Actions.expandInitialSyncState.listen(this.showExpandedState);
+  }
+
+  shouldComponentUpdate(nextProps, nextState) {
+    return !Utils.isEqualReact(nextProps, this.props) ||
+    !Utils.isEqualReact(nextState, this.state);
+  }
+
+  componentWillUnmount() {
+    this.mounted = false;
+    this.unsub();
+  }
+
+  showExpandedState = () => {
+    if (!this.state.expanded) {
+      this.setState({expanded: true});
+    } else {
+      this.setState({blink: true});
+      setTimeout(() => {
+        if (this.mounted) {
+          this.setState({blink: false});
+        }
+      }, 1000)
+    }
+  }
+
+  hideExpandedState = () => {
+    this.setState({expanded: false});
+  }
+
+  _renderInitialSync() {
+    if (!this.props.initialSync) { return false; }
+    return <InitialSyncActivity />
+  }
+
+  _renderSyncbackTasks() {
+    return <SyncbackActivity syncbackTasks={this.props.syncbackTasks} />
+  }
+
+  _renderExpandedDetails() {
+    return (
+      <div>
+        <a className="close-expanded" onClick={this.hideExpandedState}>Hide</a>
+        {this._renderSyncbackTasks()}
+        {this._renderInitialSync()}
+      </div>
+    )
+  }
+
+  render() {
+    const {initialSync, syncbackTasks} = this.props;
+    if (!initialSync && (!syncbackTasks || syncbackTasks.length === 0)) {
+      return false;
+    }
+
+    const classSet = classNames({
+      'item': true,
+      'expanded-sync': this.state.expanded,
+      'blink': this.state.blink,
+    });
+
+    return (
+      <div
+        className={classSet}
+        key="sync-activity"
+        onClick={() => (this.setState({expanded: !this.state.expanded}))}
+      >
+        <div className="inner clickable">Syncing your mailbox</div>
+        {this.state.expanded ? this._renderExpandedDetails() : false}
+      </div>
+    )
+  }
+}
diff --git a/internal_packages/notifications/lib/sidebar/syncback-activity.jsx b/internal_packages/notifications/lib/sidebar/syncback-activity.jsx
new file mode 100644
index 000000000..2f6875fe8
--- /dev/null
+++ b/internal_packages/notifications/lib/sidebar/syncback-activity.jsx
@@ -0,0 +1,55 @@
+import _ from 'underscore';
+import {React, Utils} from 'nylas-exports';
+
+export default class SyncbackActivity extends React.Component {
+  static propTypes = {
+    syncbackTasks: React.PropTypes.array,
+  }
+
+  shouldComponentUpdate(nextProps, nextState) {
+    return !Utils.isEqualReact(nextProps, this.props) ||
+      !Utils.isEqualReact(nextState, this.state);
+  }
+
+  render() {
+    const {syncbackTasks} = this.props;
+    if (!syncbackTasks || syncbackTasks.length === 0) { return false; }
+
+    const counts = {}
+    this.props.syncbackTasks.forEach((task) => {
+      const label = task.label ? task.label() : null;
+      if (!label) { return; }
+      if (!counts[label]) {
+        counts[label] = 0;
+      }
+      counts[label] += +task.numberOfImpactedItems()
+    });
+
+    const items = _.pairs(counts).map(([label, count]) => {
+      return (
+        <div className="item" key={label}>
+          <div className="inner">
+            <span className="count">({count.toLocaleString()})</span>
+            {label}
+          </div>
+        </div>
+      )
+    });
+
+    if (items.length === 0) {
+      items.push(
+        <div className="item" key="no-labels">
+          <div className="inner">
+            Applying tasks
+          </div>
+        </div>
+      )
+    }
+
+    return (
+      <div>
+        {items}
+      </div>
+    )
+  }
+}
diff --git a/internal_packages/notifications/stylesheets/notifications.less b/internal_packages/notifications/stylesheets/notifications.less
index 2aef7b5a5..dc4426b1b 100644
--- a/internal_packages/notifications/stylesheets/notifications.less
+++ b/internal_packages/notifications/stylesheets/notifications.less
@@ -5,12 +5,6 @@
   order: 2;
   z-index: 2;
   overflow-y: auto;
-
-  &.sidebar-activity-empty {
-    position: absolute;
-    bottom: 0;
-    width: 100%;
-  }
 }
 
 .sidebar-activity {
@@ -24,12 +18,14 @@
   box-shadow:inset 0 1px 0 @border-color-divider;
   &:hover { cursor: default }
 
+
   .item {
-    border-bottom:1px solid @border-color-divider;
     &:hover { cursor: default }
+    .clickable { cursor: pointer; }
 
     .inner {
       padding: @padding-large-vertical @padding-base-horizontal @padding-large-vertical @padding-base-horizontal;
+      border-bottom: 1px solid rgba(0,0,0,0.1);
     }
     .inner::after {
       content: '...';
@@ -115,10 +111,11 @@
       color: @text-color-subtle;
     }
     .close-expanded {
-      display: block;
-      text-align: right;
-      border-top: 1px solid rgba(0,0,0,0.1);
-      padding: @padding-large-vertical @padding-base-horizontal 0 @padding-base-horizontal;
+      padding: @padding-large-vertical @padding-base-horizontal;
+      position: absolute;
+      top: 0;
+      right: 0;
+      cursor: pointer;
     }
   }
 
diff --git a/src/K2 b/src/K2
index ae9d6f75d..32c1caa6c 160000
--- a/src/K2
+++ b/src/K2
@@ -1 +1 @@
-Subproject commit ae9d6f75defbab23fe5859d313132125844f5266
+Subproject commit 32c1caa6c6f38e60e15d1919e71559aec9c19ffc
diff --git a/src/flux/tasks/change-unread-task.es6 b/src/flux/tasks/change-unread-task.es6
index 93735b90c..70f800bfa 100644
--- a/src/flux/tasks/change-unread-task.es6
+++ b/src/flux/tasks/change-unread-task.es6
@@ -10,6 +10,10 @@ export default class ChangeUnreadTask extends ChangeMailTask {
     this.unread = options.unread;
   }
 
+  label() {
+    return this.unread ? "Marking as unread" : "Marking as read";
+  }
+
   description() {
     const count = this.threads.length;
     const type = count > 1 ? 'threads' : 'thread';
diff --git a/src/flux/tasks/ensure-message-in-sent-folder-task.es6 b/src/flux/tasks/ensure-message-in-sent-folder-task.es6
index 082adb5f8..269ab8cbd 100644
--- a/src/flux/tasks/ensure-message-in-sent-folder-task.es6
+++ b/src/flux/tasks/ensure-message-in-sent-folder-task.es6
@@ -13,6 +13,10 @@ export default class EnsureMessageInSentFolderTask extends Task {
     this.sentPerRecipient = opts.sentPerRecipient;
   }
 
+  label() {
+    return "Saving to sent folder";
+  }
+
   isDependentOnTask(other) {
     return (other instanceof SendDraftTask) && (other.message) && (other.message.clientId === this.message.clientId);
   }