Hi @emmabrostrom the list of charms is correct, however AFAIK, you can NOT delete the latest track, but only close it. E.g. check mysql charm:
> charmcraft status mysql
Track Base Channel Version Revision Expires at
latest - stable - -
candidate - -
beta - -
edge - -
8.0 ubuntu 22.04 (amd64) stable 240 240
candidate 240 240
beta 240 240
edge 255 255
ubuntu 22.04 (arm64) stable - -
candidate - -
beta - -
edge 254 254
the track latest is still here, but closed/invisible on https://charmhub.io/mysql.
You can refer to Request: switch default track from `latest` to `14` for postgresql(-k8s) charms - #3 by taurus