This Product Ideas board is currently undergoing updates, but please continue to submit your ideas.
The default sort order of mixed numbers & text is usually numbers, then text. Airtable seems to do symbols, alpha, then numbers.
For example, normally in in Excel stored as text:
Airtable sorts as
While not necessarily a bug (which is why I put it here instead of the other forum), it is not what is typical for other applications so it is inconvenient.