Possible missing emojis (?) after migration

[Fort Apocalypse]

I just noticed there were a number of question marks in a different font where emojis might have been in the old forum, prior to migration.

 

This thread has a number of them:

 

For example: https://forums.atariage.com/topic/327234-atari-sa-releasing-limited-run-2600-cartridges/?do=findComment&comment=4947446

 

Is shown as the attached (question mark circled in red)