A lot of these are heart emojis (then of course, the Boundless specific ones haven’t been added yet, I believe). The text works, but not this unicode:
1F498
1F49D
1F496
1F497
1F49C
1FA90
1F419
1F449
1F9A9
1F493
1F49E
1F495
1F49F
1F499
1F49A
1F49B
These Boundless specific ones don’t work:
and the Oort alphabet chars