Greetings Admiral.
Regarding news in Xsolla launcher there is no bug, the latest patch notes are posted on discord and Steam forums. (the game itself is up to date in Xsolla launcher)
There should be mail from Xsolla with the Steam Key, please make sure to check junk/spam folder. In case you cannot find it, please follow this guide:
If you have not received the key and link to download after the payment and you checked the junk/spam folder, please, contact Xsolla support directly, and they will resolve the problem with you.
Contact Details:
Support Email: support@xsolla.com
24/7 Live Chat: http://help.xsolla.com
If you do not find a solution with Xsolla, email us at ink@navalaction.com and provide email address that was used to purchase and/or receipt number. We will make sure to fix it.
We apologize for the inconvenience this might have caused you.