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Didn't notice this forum for bug-reporting before and can't move my thread, so just to refer you to: http://cyreneforum.com/threads/loot-on-default-vanilla-settings.425/
May or may not be a bug - only you can tell us! ;)
Myself and a socmate have done quite a few mining drops and bashed a few mobs, but all loot seems to be generic (only lyst and oil in mining and the usual generic hides, eye oil, extractors from mobs).
Bit surprised to see no 'first colonist' msgs from anything other than crafting by now, like...