Load labels list from the backend.

services/web/app/views/project/editor/history/toolbarV2.pug

@@ -20,6 +20,14 @@
 		i.fa.fa-exchange
 		|  #{translate("compare_to_another_version")}
 
+	.history-toolbar-entries-list
+		toggle-switch(
+			ng-model="history.showOnlyLabels"
+			label-true="Labels"
+			label-false="All history"
+			description="Show all of the project history or only labelled versions."
+		)
+
 script(type="text/ng-template", id="historyV2AddLabelModalTemplate")
 	form(
 		name="addLabelModalForm"

services/web/public/coffee/ide/history/HistoryV2Manager.coffee

@@ -12,6 +12,7 @@ define [
 	"ide/history/directives/infiniteScroll"
 	"ide/history/components/historyEntriesList"
 	"ide/history/components/historyEntry"
+	"ide/history/components/historyLabelsList"
 	"ide/history/components/historyLabel"
 	"ide/history/components/historyFileTree"
 	"ide/history/components/historyFileEntity"
@@ -72,6 +73,7 @@ define [
 						toV: null
 					}
 				}
+				showOnlyLabels: false
 				labels: null
 				files: []
 				diff: null # When history.viewMode == HistoryViewModes.COMPARE
@@ -134,17 +136,26 @@ define [
 			updatesURL = "/project/#{@ide.project_id}/updates?min_count=#{@BATCH_SIZE}"
 			if @$scope.history.nextBeforeTimestamp?
 				updatesURL += "&before=#{@$scope.history.nextBeforeTimestamp}"
+			labelsURL = "/project/#{@ide.project_id}/labels"
 
 			@$scope.history.loading = true
 			@$scope.history.loadingFileTree = true
 			
-			@ide.$http.get updatesURL
+			requests = 
+				updates: @ide.$http.get updatesURL
+			
+			if !@$scope.history.labels?
+				requests.labels = @ide.$http.get labelsURL
+
+			@ide.$q.all requests
 				.then (response) =>
-					updatesData = response.data
+					updatesData = response.updates.data
 					@_loadUpdates(updatesData.updates)
 					@$scope.history.nextBeforeTimestamp = updatesData.nextBeforeTimestamp
 					if !updatesData.nextBeforeTimestamp?
 						@$scope.history.atEnd = true
+					if response.labels?
+						@$scope.history.labels = response.labels.data
 					@$scope.history.loading = false
 
 		loadFileAtPointInTime: () ->