Was this changed or is it a bug that new adepts won't get a free lvl1 sphere promotion, if you have at least 2 of those mana-spheres.
I have 2 earth mana (now even 3), but my new Khazad adepts don't get earth I for free.
I don't know exactly what was changed precisely, but new promotions are now available when you upgrade those adepts to mages, not before. I don't know exactly which promotions those mages get for multiple nodes of the same type, though.
EDIT: 0) The thing above might be a bug for Khazad and other civilisations who can get Adepts but not Mages, because they can never get free promotions for multiple nodes (in spite of the fact that building multiple earth nodes seems pretty in flavor for Khazad). Just throwing it in for discussion.
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1) I received Galean in the first ~10 turns, too. It was one of the Armageddon Scenarios (#1) by Sureshot (-> I played Amurites and thus already had Mage Guilds), but it was still ridiculously fast

. It's great that this works now, though!
2) I don't know exactly what has to happen to give all Mage Guilds in the empire +3 beakers when the Circle of Gaelan is founded. I might simply not have spread the guild properly (however that works), but I also had Catacomb Libralus (sp?), so the guild might not work with these buildings. In that case, changing the Circle to a building that simply changes Mage Guilds directly (i.e. like a wonder like those in vanilla civ that gave +gold/beakers to religious buildings) might work better.
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3) I used the Slavery civic and had Gaelan summon a Spectre (the red text said it would die in one turn), and this Spectre attacked and defeated an enemy living unit, thus giving me a Slave. Said slave, however, apparently thought it had been summoned, too, and had the same red text stating it would die next turn. This bug was stated somewhere already, I think, but it hasn't been fixed so far.
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4) As a sidenote, before this small scenario, I only played Nikis-Knight's huge map of Erebus and had an almost nonexistant amount of events (this was in 0.31c to 0.31e, I think). Is the chance of events somehow a global chance (i.e. 8% chance with Living World (which I had always turned on, or whatever the option to double the chance of events is called) for ONE event this turn, no matter who gets it) instead of per player? If that's the case, I'd propose changing that so there are more events for the player instead of just the AIs on huge maps.
I might be wrong about this last point, though.
Great game by the way! Hope these bug reports help somewhat.