Hi scvdesigns,
Welcome to the Apple Community.
There may be changes in the way Apple does things now.
Apple support have articles online that may or may not be helpful.
Use Reminders on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT205890
Organise reminders on your iPhone, iPad or iPod touch
https://support.apple.com/en-au/HT212715
Also the latest
iPhone User Guide
(NB: Click on Table of Contents at the top of the Welcome page, to see topics leading to detailed articles.
You can also choose your iPhone's iOS at the top of articles for accurate info.)
https://support.apple.com/en-au/guide/iphone/welcome/ios
Or
If needed:
you might want to send feedback to those who may make changes in future updates,
ie: if enough people send feedback on an issue.
https://www.apple.com/feedback/reminders/
All the best.