2.0 - 21 February 2017
Facebook began testing this emoji update in September 2016. This updat showed for all website users as of February 2017.
This release added compatibility with emojis from Unicode 7.0, Unicode 8.0 and Unicode 9.0.
None of the emojis in Facebook 2.0 are shared with the original set from 2014. Additionally, this release is separate from Facebook Messenger emojis.