Optimized Media no longer available in "custom column layout

I need to be able to determine which clips I generated optimized media for. In Resolve 17.1.1 on Mac the option to add it as a column in the bin window is gone. Anyone know where it went?
https://forum.blackmagicdesign.com/
https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=138569