WhatsApp team has updated the Beta App for Windows Phone and Windows 10 Mobile. The App has been bumped to version 188.8.131.52.
there is no changelog which has been given by the team, hence we can presume that this update could be bug fixing update for the Beta App.
The WhatsApp team is hard at work to improve the Application for both Windows Phone and Windows 10 Mobile.
The Update is currently live and you can grab by clicking here. Do let us know if you find anything new.
Note: The WhatsApp beta App is now available publicly to download for All.