[paxys]

I personally find timezones more annoying. At least with encoding once you figure things out it will work indefinitely. Timezones can simply change from under you with or without notice.

[ethbr0]

You think timezones are simple, and then you realize this, when you try to implement them (in the US): https://en.wikipedia.org/wiki/Time_in_the_United_States#Boun...

(And that's not counting daylight savings time, and its varied observance!)

[remram]

Unicode 14 just came out. If you are using collation, NFD, ... you need to update your libs.