diff --git a/Kiwix-iOS/Info.plist b/Kiwix-iOS/Info.plist
index b850a49b..c7cea72d 100644
--- a/Kiwix-iOS/Info.plist
+++ b/Kiwix-iOS/Info.plist
@@ -49,7 +49,7 @@
 		</dict>
 	</array>
 	<key>CFBundleVersion</key>
-	<string>1.7.1719</string>
+	<string>1.7.1725</string>
 	<key>ITSAppUsesNonExemptEncryption</key>
 	<false/>
 	<key>LSRequiresIPhoneOS</key>
diff --git a/Kiwix-iOSWidgets/Bookmarks/Info.plist b/Kiwix-iOSWidgets/Bookmarks/Info.plist
index a571bf3c..8a616bd5 100644
--- a/Kiwix-iOSWidgets/Bookmarks/Info.plist
+++ b/Kiwix-iOSWidgets/Bookmarks/Info.plist
@@ -21,7 +21,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1.7.2223</string>
+	<string>1.7.2229</string>
 	<key>NSExtension</key>
 	<dict>
 		<key>NSExtensionMainStoryboard</key>
diff --git a/Kiwix/CoreData/Kiwix.xcdatamodeld/1.8.xcdatamodel/contents b/Kiwix/CoreData/Kiwix.xcdatamodeld/1.8.xcdatamodel/contents
index 63098f74..c8ec3770 100644
--- a/Kiwix/CoreData/Kiwix.xcdatamodeld/1.8.xcdatamodel/contents
+++ b/Kiwix/CoreData/Kiwix.xcdatamodeld/1.8.xcdatamodel/contents
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<model userDefinedModelVersionIdentifier="1.5" type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="10174" systemVersion="15F34" minimumToolsVersion="Automatic">
+<model type="com.apple.IDECoreDataModeler.DataModel" documentVersion="1.0" lastSavedToolsVersion="11224.2" systemVersion="15G1004" minimumToolsVersion="Xcode 7.3" sourceLanguage="Objective-C" userDefinedModelVersionIdentifier="1.8">
     <entity name="Article" representedClassName=".Article" syncable="YES">
-        <attribute name="bookmarkDate" optional="YES" attributeType="Date" syncable="YES"/>
-        <attribute name="isBookmarked" optional="YES" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
-        <attribute name="isMainPage" optional="YES" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
-        <attribute name="lastPosition" optional="YES" attributeType="Double" syncable="YES"/>
-        <attribute name="lastReadDate" optional="YES" attributeType="Date" indexed="YES" syncable="YES"/>
+        <attribute name="bookmarkDate" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="isBookmarked" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="isMainPage" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="lastPosition" optional="YES" attributeType="Double" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="lastReadDate" optional="YES" attributeType="Date" usesScalarValueType="NO" indexed="YES" syncable="YES"/>
         <attribute name="snippet" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="thumbImageURL" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="title" attributeType="String" syncable="YES"/>
@@ -14,37 +14,62 @@
         <relationship name="tags" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="Tag" inverseName="articles" inverseEntity="Tag" syncable="YES"/>
     </entity>
     <entity name="Book" representedClassName=".Book" syncable="YES">
-        <attribute name="articleCount" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" syncable="YES"/>
+        <attribute name="articleCount" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="creator" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="date" optional="YES" attributeType="Date" syncable="YES"/>
+        <attribute name="date" optional="YES" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
         <attribute name="desc" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="favIcon" optional="YES" attributeType="Binary" syncable="YES"/>
-        <attribute name="fileSize" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" syncable="YES"/>
-        <attribute name="globalCount" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" syncable="YES"/>
-        <attribute name="hasIndex" optional="YES" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
-        <attribute name="hasPic" optional="YES" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
+        <attribute name="fileSize" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="globalCount" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="hasIndex" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="hasPic" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="id" attributeType="String" defaultValueString="Unknown" syncable="YES"/>
-        <attribute name="includeInSearch" optional="YES" attributeType="Boolean" defaultValueString="YES" syncable="YES"/>
-        <attribute name="isLocal" optional="YES" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
-        <attribute name="mediaCount" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" syncable="YES"/>
+        <attribute name="includeInSearch" optional="YES" attributeType="Boolean" defaultValueString="YES" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="isLocal" optional="YES" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="mediaCount" optional="YES" attributeType="Integer 64" minValueString="0" defaultValueString="0" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="meta4URL" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="publisher" optional="YES" attributeType="String" syncable="YES"/>
         <attribute name="title" optional="YES" attributeType="String" indexed="YES" syncable="YES"/>
         <relationship name="articles" optional="YES" toMany="YES" deletionRule="Cascade" destinationEntity="Article" inverseName="book" inverseEntity="Article" syncable="YES"/>
+        <relationship name="collection" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Collection" inverseName="books" inverseEntity="Collection" syncable="YES"/>
         <relationship name="downloadTask" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="DownloadTask" inverseName="book" inverseEntity="DownloadTask" syncable="YES"/>
         <relationship name="language" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Language" inverseName="books" inverseEntity="Language" syncable="YES"/>
+        <uniquenessConstraints>
+            <uniquenessConstraint>
+                <constraint value="id"/>
+            </uniquenessConstraint>
+        </uniquenessConstraints>
+    </entity>
+    <entity name="Collection" syncable="YES">
+        <attribute name="id" attributeType="String" syncable="YES"/>
+        <relationship name="books" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="Book" inverseName="collection" inverseEntity="Book" syncable="YES"/>
+        <uniquenessConstraints>
+            <uniquenessConstraint>
+                <constraint value="id"/>
+            </uniquenessConstraint>
+        </uniquenessConstraints>
     </entity>
     <entity name="DownloadTask" representedClassName=".DownloadTask" syncable="YES">
-        <attribute name="creationTime" optional="YES" attributeType="Date" syncable="YES"/>
-        <attribute name="stateRaw" optional="YES" attributeType="Integer 16" defaultValueString="0" syncable="YES"/>
-        <attribute name="totalBytesWritten" optional="YES" attributeType="Integer 64" defaultValueString="0" syncable="YES"/>
+        <attribute name="creationTime" attributeType="Date" usesScalarValueType="NO" syncable="YES"/>
+        <attribute name="stateRaw" attributeType="Integer 16" defaultValueString="0" usesScalarValueType="YES" syncable="YES"/>
+        <attribute name="totalBytesWritten" optional="YES" attributeType="Integer 64" defaultValueString="0" usesScalarValueType="YES" syncable="YES"/>
         <relationship name="book" optional="YES" maxCount="1" deletionRule="Nullify" destinationEntity="Book" inverseName="downloadTask" inverseEntity="Book" syncable="YES"/>
+        <uniquenessConstraints>
+            <uniquenessConstraint>
+                <constraint value="creationTime"/>
+            </uniquenessConstraint>
+        </uniquenessConstraints>
     </entity>
     <entity name="Language" representedClassName=".Language" syncable="YES">
-        <attribute name="code" optional="YES" attributeType="String" syncable="YES"/>
-        <attribute name="isDisplayed" optional="YES" attributeType="Boolean" defaultValueString="NO" syncable="YES"/>
+        <attribute name="code" attributeType="String" syncable="YES"/>
+        <attribute name="isDisplayed" attributeType="Boolean" defaultValueString="NO" usesScalarValueType="YES" syncable="YES"/>
         <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
         <relationship name="books" optional="YES" toMany="YES" deletionRule="Nullify" destinationEntity="Book" inverseName="language" inverseEntity="Book" syncable="YES"/>
+        <uniquenessConstraints>
+            <uniquenessConstraint>
+                <constraint value="code"/>
+            </uniquenessConstraint>
+        </uniquenessConstraints>
     </entity>
     <entity name="Tag" representedClassName=".Tag" syncable="YES">
         <attribute name="name" optional="YES" attributeType="String" syncable="YES"/>
@@ -54,9 +79,10 @@
     <fetchRequest name="AllArticlesBookmarked" entity="Article" predicateString="isBookmarked == 1 AND book.downloadStateRaw == 1"/>
     <elements>
         <element name="Article" positionX="-108" positionY="-136" width="128" height="210"/>
-        <element name="Book" positionX="-405" positionY="-129" width="128" height="330"/>
-        <element name="DownloadTask" positionX="-108" positionY="54" width="128" height="105"/>
+        <element name="Book" positionX="-405" positionY="-129" width="128" height="343"/>
+        <element name="DownloadTask" positionX="-108" positionY="84" width="128" height="105"/>
         <element name="Language" positionX="-110" positionY="199" width="128" height="103"/>
         <element name="Tag" positionX="124" positionY="-126" width="128" height="73"/>
+        <element name="Collection" positionX="-144" positionY="63" width="128" height="75"/>
     </elements>
 </model>
\ No newline at end of file