Microsoft has pushed out an update to the store app for Windows 10 and Windows 10 Mobile. The update has been pushed out to Insiders in the Fast Ring. The update bumps the app to new version 11612.1001.4.0.
There has been no changelog accompanied with the update to the Store and also there are no new features or additions seen after the update. Hence we presume the update could be a bug fixing or performance improving update.
The update is currently live and you can get it by clicking the below link. Do let us know if you find anything new after the update.