Do you mean, that east of China there is America again, which you usually find in the west of Europe?
If so, that's not a bug it's a feature. If you travel around the world you will eventually come back to where you started.
If you meant that the world map sometimes jumps strangely when clicking on a pin you have a point. I can not reproduce it here, but Chris has the issue and will hopefully fix it soon.
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Do you mean, that east of China there is America again, which you usually find in the west of Europe?
If so, that's not a bug it's a feature. If you travel around the world you will eventually come back to where you started.
If you meant that the world map sometimes jumps strangely when clicking on a pin you have a point. I can not reproduce it here, but Chris has the issue and will hopefully fix it soon.