Downloaded & installed the latest version from Curse Forge & I've accessed the settings by right clicking on the minimap and via the addons page & the only options available are to lock the minimap or change the scale. Any help would be appreciated.

Thanks in advance

I believe this can happen when the Retail version is installed. I deleted all files, made sure to download and install the Classic version, and the options started working.

A warning about addon version would be handy, along the lines of what DBM or Details do when the Retail version is incorrectly installed.

I am having this same issue as well. Tried uninstalling and reinstalling and still the same.

Warnings have been added for when you accidentally install the wrong version.