Currency Conversion latest Update

There has been some update and all currency rates have been disturbed in already posted transactions. Even when we set the rate it still doesnt convert during transaction posting. Please guide about this latest update or how to resolve

You need to explain exactly what you did and post screen shots of the screen with the exchange rates

The explanation on how to use the new feature was given by lubos and was fairly clear, I thought
Added ability to pull exchange rates from online web service - Manager Forum