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Elemental Forums
Once you load a saved game, some of the milestones will no longer be unlocked even after you research them.
Confirmed.
Also: Mining, Seamanship, City Defenses.
So far I've seen no crystals after successfully researching up to Enchantment and Enchantment has not unlocked from Magic.
I unlocked farming.
That is it.
Barracks also do not unlock. Light Weaponry does not unlock. I'll try for Trade, but I don't expect anything different.
I tried to reproduce this bug but was unsuccessful. I did notice that the progress bar in the research panel seems to lead the milestones by a few turns.
Same here, only reproducible so far in my saved game. A game I started fresh didn't have this bug.
Confirmed, it only seems to happen on a saved game. Updateing post now....
Confirmed. I also saw this bug when playing from a saved game: Researched Warfare and didn't get the Barracks or Light Weaponry medalions to be available after unlocking them.
Anyone heard that the December update will include a fix for this problem?
Having a 10x larger tech tree in the new build is gonna be really frustrating if this bug persists.
The new update revamps the research screen, so I think it very probable that it got fixed. 
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