Thanking for Upvotes
As of August 29, 2017, Quora has implemented a feature in which users can thank people for upvoting their answers.
As emphasized in the below screenshot, people can be thanked by the answer author for upvoting answers:
The iOS app also contains this feature:
It is currently unknown if this feature is an A/B test or if it has been rolled out to everyone.
Let us know what you think of this change by writing a response!