Nokia Store has recently received a quick update via over the air (OTA). There is no such a detail what features or fixes this update brings but a week ago Nokia Beta Labs released Store client version 3.20.049 which is still listed at Beta Labs as the latest update.
Current update OTA version 3.20.050:
For this version 3.20.050, just open your store client, you will be prompted for the update as shown above.