A final determination will be made for the ones to be added to Unicode 9.0, which is set for release in June 2016. That means iOS 10 will probably include these new emoji once it becomes available ...

Alongside the drastic changes coming to the EU with iOS 17.4, Apple is also adding new emojis for iPhone users. Once iOS 17.4 is available to everyone in March, you’ll be able to use new emojis.

It's meant to be a sort of replacement for Emoji 14, which is delayed due to the COVID-19 pandemic. iOS 14.2 will likely ship out to users next month.