No, not “amateur” in my perception; amateurs won’t create such a complex program with so stunning sceneries. But the forum is full of odd and weird problems again, like after every update. So, everything is quite normal; well, ok, except “polishing” for another week; anything went wrong with a part of that polishing … it happens …
It took me some hours to download the mandatory update - not interested in the World Update -, and to check all my self created addons. As of now, there is only the Manual Cache issue, we obviously all are affected of; no further damage caused to me by the update.
After an update is before an update …