Recent changes this month pushed completed lessons into lower units, changed lingots to gems, stopped awarding lingots for decades of consecutive practice days and for some reason deducts points when I log on some days, as many as fifteen. I was on unit 26 one day and then with the changes my highest was unit 21. Unit challenges used to 'cost' 10 lingots which took two days to earn. Now it costs 100 gems which can take 5 or more days to earn. I didn't mind the 'updates' earlier this year, but I am unhappy with the punitive changes. I tried to get answers from Duoling with a bug report and got an email back saying thanks, but they wouldn't respond to me personally.
