If you are on the Test channel then the updater will install/update the Test build of your Forge subscriptions, if one is available. If you are on any other channel (Live, Dev, Prev) then the updater will install/update the Live build.
Printable View
If you are on the Test channel then the updater will install/update the Test build of your Forge subscriptions, if one is available. If you are on any other channel (Live, Dev, Prev) then the updater will install/update the Live build.
That's certainly not what I would have expected from it, but very good to know!