Wunderlist app has received a new update for Windows phone. The new version is 3.1.0.8. However, store link still takes to older version 3.1.0.6, so it may take bit of time before the update is live in the store.
The new update brings live tile support for smart lists, background sync to keeps your local data up-to-date, miscellaneous bug fixes and more.
Wunderlist Changelog:
We have added live tile support for smart lists.
The background sync keeps your local data up-to-date. The app does not need to run for that.
There is a noticable performance boost when logging in with a large account.
Besides miscellaneous bug fixes, we fixed the problem when users tried signing in with non-latin email addresses.