Steps to Reproduce:
Create a new Gift Exchange.
Open the challenge settings page.
Allow the "Title" field on both requests and offers
Make sure that you allow at least one type of tag for both requests and offers. (To avoid encountering AO3-5855.)
Save the challenge settings.
Sign up for your own gift exchange, making sure to use a unique title for your requests and offers.
Go to "Sign-ups (1)" in the sidebar.
Click "Download (CSV)".
View the resulting CSV file.
What Should Happen: You should see your unique titles somewhere in the CSV.
What Actually Happens: The unique titles are nowhere to be found.