@katemorley@hachyderm.io Characters are added when somebody asks nicely, they only asked for pink/gray/light blue hearts, and nobody thought to add other shapes.
Digging around a bit, I've already found 6 different Unicode versions adding coloured hearts:
️ added in 1.1
6.0
9.0- 🧡 10.0
- 🤎 12.0
- 🩷 15.0
Totally well-organized 