HAHAHA, my estimate was 2 weeks. This was 6 months ago. It is now a marvel of engineering with most of the 100 000 edge cases covered. You should read that as:

HAHAHA, my estimate was 2 weeks. This was 6 months ago. It is now a marvel of engineering with most of the 100 000 edge cases covered. You should read that as: not battle tested on (insane) users. (I'm so looking forwards to that) I estimate 2 years to completely finish it, give or take a decade or two.