Comment by thaumasiotes
8 months ago
Well, I can report that 𒎙 isn't rendering on Windows 10 either. Your "sent at" renders fine. Whatever it is, it isn't specific to Android.
I assume it's mostly down to fonts, but I don't know why a font would implement some of the cuneiform block without doing all of it.
U+12399 was not an assigned code point until Unicode 8. The other code points were in Unicode 7.