\altaffiliation does not appear in footnote but after \affiliation

[rydia001]

https://github.com/josephwright/achemso/blob/main/achemso-demo.tex
lines 51 and 56 use \altaffiliation{}, which should be shown in the footnote based on the description, but is not shown in the footnote (after \affiliation{}) in the compiled PDF like
http://tug.ctan.org/macros/latex/contrib/achemso/achemso-demo.pdf .

The editor asked us to put our current affiliations in the footnote. How to do that?

[josephwright]

Could you forward the request to me by email? The class is working as expected (the affiliations are footnotes to the title, not the page): it's never been the exception to 'look like the journal'.

[rydia001]

We are submitting to ACS Omega. The relevant point of the formatting comment from the editor is:

• In case your current addresses differ from the research affiliations they should be included as footnotes. (affiliations in the system and manuscript must match)