diff --git a/gui/app/services/category.js b/gui/app/services/category.js
index 386f5656..2fa2a8aa 100644
--- a/gui/app/services/category.js
+++ b/gui/app/services/category.js
@@ -36,6 +36,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('category', obj);
@@ -52,6 +53,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('category', obj);
@@ -89,6 +91,7 @@ export default BaseService.extend({
 		}).then((response) => {
 			// return response;
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('category-permission', obj);
@@ -105,6 +108,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('user', obj);
@@ -173,6 +177,7 @@ export default BaseService.extend({
 				membership: [],
 				summary: []
 			};
+			if (is.not.array(response)) response = [];
 
 			let cats = response.category.map((obj) => {
 				let data = this.get('store').normalize('category', obj);
diff --git a/gui/app/services/document.js b/gui/app/services/document.js
index 1fa79b9e..de385573 100644
--- a/gui/app/services/document.js
+++ b/gui/app/services/document.js
@@ -45,6 +45,7 @@ export default Service.extend({
 			let documents = ArrayProxy.create({
 				content: A([])
 			});
+			if (is.not.array(response)) response = [];
 
 			documents = response.map((doc) => {
 				let data = this.get('store').normalize('document', doc);
@@ -112,6 +113,7 @@ export default Service.extend({
 		return this.get('ajax').request(`documents/${documentId}/pages`, {
 			method: 'GET'
 		}).then((response) => {
+			if (is.not.array(response)) response = [];
 			let pages = [];
 
 			pages = response.map((page) => {
@@ -214,6 +216,8 @@ export default Service.extend({
 		return this.get('ajax').request(`documents/${documentId}/pages?content=0`, {
 			method: 'GET'
 		}).then((response) => {
+			if (is.not.array(response)) response = [];
+
 			let data = [];
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('page', obj);
@@ -282,6 +286,7 @@ export default Service.extend({
 		return this.get('ajax').request(`sections/targets`, {
 			method: 'GET'
 		}).then((response) => {
+			if (is.not.array(response)) response = [];
 			let data = [];
 
 			data = response.map((obj) => {
diff --git a/gui/app/services/folder.js b/gui/app/services/folder.js
index 4a344546..0ac8802b 100644
--- a/gui/app/services/folder.js
+++ b/gui/app/services/folder.js
@@ -102,6 +102,7 @@ export default BaseService.extend({
 			method: "GET"
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('folder', obj);
@@ -118,6 +119,7 @@ export default BaseService.extend({
 			method: "GET"
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('space-permission', obj);
@@ -176,6 +178,7 @@ export default BaseService.extend({
 			method: "GET"
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('folder', obj);
diff --git a/gui/app/services/group.js b/gui/app/services/group.js
index 66604eb7..a4f0af1b 100644
--- a/gui/app/services/group.js
+++ b/gui/app/services/group.js
@@ -35,6 +35,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('group', obj);
@@ -81,7 +82,7 @@ export default BaseService.extend({
 			return data;
 		});
 	},
-	
+
 	// join adds user to group.
 	join(groupId, userId) {
 		return this.get('ajax').request(`group/${groupId}/join/${userId}`, {
diff --git a/gui/app/services/pinned.js b/gui/app/services/pinned.js
index 5c4a5c66..74967154 100644
--- a/gui/app/services/pinned.js
+++ b/gui/app/services/pinned.js
@@ -25,7 +25,7 @@ export default Service.extend({
 		this._super(...arguments);
 		this.pins = [];
 	},
-	
+
 	getUserPins() {
 		let userId = this.get('session.user.id');
 
@@ -93,9 +93,8 @@ export default Service.extend({
 				method: 'POST',
 				data: JSON.stringify(data)
 			}).then((response) => {
-				if (is.not.array(response)) {
-					response = [];
-				}
+				if (is.not.array(response)) response = [];
+
 				let pins = ArrayProxy.create({
 					content: A([])
 				});
diff --git a/gui/app/services/search.js b/gui/app/services/search.js
index df7aab1d..6bc27d5a 100644
--- a/gui/app/services/search.js
+++ b/gui/app/services/search.js
@@ -25,6 +25,8 @@ export default Service.extend({
 			data: JSON.stringify(payload),
 			contentType: 'json'
 		}).then((response) => {
+			if (is.not.array(response)) response = [];
+
 			let results = ArrayProxy.create({
 				content: A([])
 			});
diff --git a/gui/app/services/section.js b/gui/app/services/section.js
index 5476e757..2f111b54 100644
--- a/gui/app/services/section.js
+++ b/gui/app/services/section.js
@@ -24,6 +24,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('section', obj);
@@ -55,6 +56,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let pages = [];
+			if (is.not.array(response)) response = [];
 
 			if (is.not.null(response) && is.array(response) && response.length > 0) {
 				pages = response.map((page) => {
@@ -103,6 +105,7 @@ export default BaseService.extend({
 			method: 'GET'
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('block', obj);
diff --git a/gui/app/services/session.js b/gui/app/services/session.js
index b3d2ac00..d8cafb85 100644
--- a/gui/app/services/session.js
+++ b/gui/app/services/session.js
@@ -12,6 +12,7 @@
 import { inject as service } from '@ember/service';
 import { computed } from '@ember/object';
 import { Promise as EmberPromise } from 'rsvp';
+import miscUtil from '../utils/misc';
 import SimpleAuthSession from 'ember-simple-auth/services/session';
 
 export default SimpleAuthSession.extend({
@@ -88,7 +89,8 @@ export default SimpleAuthSession.extend({
 	hasWhatsNew() {
 		return new EmberPromise((resolve) => {
 			return this.get('userSvc').getUser(this.get('user.id')).then((user) => {
-				resolve(user.get('lastVersion') !== this.get('appMeta.version'));
+				let isNew = miscUtil.isNewVersion(user.get('lastVersion'), this.get('appMeta.version'), false);
+				resolve(isNew);
 			});
 		});
 	}
diff --git a/gui/app/services/template.js b/gui/app/services/template.js
index 556e1a0a..5be16722 100644
--- a/gui/app/services/template.js
+++ b/gui/app/services/template.js
@@ -35,9 +35,8 @@ export default Service.extend({
 		return this.get('ajax').request(`templates/${folderId}`, {
 			method: 'GET'
 		}).then((response) => {
-			if (is.not.array(response)) {
-				response = [];
-			}
+			if (is.not.array(response)) response = [];
+
 			let templates = ArrayProxy.create({
 				content: A([])
 			});
diff --git a/gui/app/services/user.js b/gui/app/services/user.js
index 9e2a3335..1ad19bd0 100644
--- a/gui/app/services/user.js
+++ b/gui/app/services/user.js
@@ -56,6 +56,8 @@ export default Service.extend({
 	// Returns all active users for organization.
 	getAll() {
 		return this.get('ajax').request(`users?active=1`).then((response) => {
+			if (is.not.array(response)) response = [];
+
 			return response.map((obj) => {
 				let data = this.get('store').normalize('user', obj);
 				return this.get('store').push(data);
@@ -71,6 +73,8 @@ export default Service.extend({
 		if (filter.length > 0) filter = encodeURIComponent(filter);
 
 		return this.get('ajax').request(`users?active=0&filter=${filter}`).then((response) => {
+			if (is.not.array(response)) response = [];
+
 			return response.map((obj) => {
 				let data = this.get('store').normalize('user', obj);
 				return this.get('store').push(data);
@@ -86,6 +90,7 @@ export default Service.extend({
 			method: "GET"
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('user', obj);
@@ -167,10 +172,11 @@ export default Service.extend({
 		return this.get('ajax').request('users/match', {
 			method: 'POST',
 			dataType: 'json',
-			contentType: 'text',			
+			contentType: 'text',
 			data: text
 		}).then((response) => {
 			let data = [];
+			if (is.not.array(response)) response = [];
 
 			data = response.map((obj) => {
 				let data = this.get('store').normalize('user', obj);
@@ -179,5 +185,5 @@ export default Service.extend({
 
 			return data;
 		});
-	}	
+	}
 });