Yes, the Plus Donation is now just history. The lastest update of WhatsApp Plus v6.50 made it free to hide your last seen without buying Plus Donation from the Play Store. It will make the WhatsApp Plus user much happy that they can use the premium feature without donating / paying a single penny.
Just about 3 days ago, a moderator of official WhatsApp Plus community on Google+ had a poll about – “Whatsapp+ hide last seen feature and all features become free or should it remain a premium option that is only bought “. About 2000 people voted for it and 74% people voted to make it completely free.
Giving respect to the decision of the [...]