1. The Federal Reserve has no plans to cut interest rates in the near future.
2. Oil prices have surged due to the Middle East wars.
I think these two points basically explain the currency depreciation in most Asian countries.
Don't know much about Turkey, but for Japan:
1. Major industries (ship building, car making, consumer electronics) losing competitiveness. South Korea is also somewhat impacted but South Korea has things like chip making to cushion the impact.
2. Long term mismanagement domestically - you all saw the problem with agriculture causing high rice prices
3. China's ban on dual use goods starting to bite, one estimate I saw this week is two more month and we should see zero stockpile remaining for some on the list. You can see in recent days they're starting make noise about tungsten.
4. Government is not even admitting to the above problems due to winnism, much less doing anything about it. See how the government was trying to stop chips (the potato kind) producers from switching to black and white packaging to reduce naphtha usage.