There is an update available by a "third party". It's
"Third Party Hotfix for Carbonite".
I just dpwnloaded and installed it and didn't get a chance to check it out yet. Hopefully...
By the way, the "official" Carbonite site is not the place you should be checking for updates. They haven't updated the addon in at least two years. They have "given it over" to Rythal, with their permission and their blessings, but Rythal's RL has gotten quite busy of late and it's taking a while to get an update out. Please be patient.
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Ahhhh, the vagueries of the aging mind. Wait.... What was I saying?
Carbonite <----- GitHub main module (Maps ONLY) download link. The other modules are also available on GitHub.
Carbonite-CLASSIC<----- GitHub link to Carbonite Classic. Thanks to ircdirk for this!