Why Do My Emojis Appear Different on Twitter or Another Platform?
Various platforms handle and support Unicode differently. Certain emojis may not appear exactly the same due to how the platform renders their emojis.
Some platforms have custom link formats like twitter for ex The vision here is that as Yats expand in use, platforms will do a better job of supporting emoji URLs. Emojis are a core part of Unicode so there is really no excuse for the mediocre support.
We have submitted bug reports to Twitter and a few other platforms, but there is currently no ETA on a fix.