WhatsApp has updated its Beta app for Windows Phone app to version 2.17.308.0.
According to WABetaInfo the update brings along a slew of new emojis.
WhatsApp also recently introduced the ability to delete messages from your phone, as well as the devices of other users you engaged with, if you do it before 7 minutes have passed.
WhatsApp is one of the few messaging apps which still actively supports Windows phone, and it is available from the store link below.
Via WBI