New AppGroup and added new app group in build settings, which seem to work better now offline with xdrip4iOS

FreeAPS/Resources/FreeAPS.entitlements

@@ -4,7 +4,7 @@
 <dict>
 	<key>com.apple.security.application-groups</key>
 	<array>
-		<string>$(APP_GROUP_ID)</string>
+		<string>group.com.T7VZ6LU6H3.xdripswift.JBMgroup</string>
 	</array>
 </dict>
 </plist>

FreeAPS/Resources/Info.plist

@@ -3,7 +3,9 @@
 <plist version="1.0">
 <dict>
 	<key>AppGroupID</key>
-	<string>$(APP_GROUP_ID)</string>
+	<string>group.com.T7VZ6LU6H3.xdripswift.JBMgroup</string>
+	<key>AppGroupIdentifier</key>
+	<string>$(APP_GROUP_IDENTIFIER)</string>
 	<key>CFBundleDevelopmentRegion</key>
 	<string>$(DEVELOPMENT_LANGUAGE)</string>
 	<key>CFBundleDisplayName</key>