WhatsApp for Android beta update brings a new voice note look and the feature to forward sticker packs1
WhatsApp beta update: new voice note waveforms option and the ability to forward sticker packs
The two new additions to WhatsApp on Android are found in WhatsApp v188.8.131.52. Of course, this version is a beta version so these are features that are still under development and now available to the general public.
The second new option is in relation to sticker packs. It will allow you to forward sticker packs, but for now, this feature is limited only to sticker packs you have downloaded from WhatsApp, and not to third-party ones.
From WhatsApp v184.108.40.206 you are able to forward sticker packs, while the v.220.127.116.11 is the one that brings the new note waveform. You can download this beta version right now, if you are enrolled in WhatsApp's beta program.