Search EPG: duplicated results

One thing I noticed is when I use the search function (either form EPG or main menu) to look e.g. for future broadcasts of my favorite tv-series, I always get duplicated results. Most of the times it is two identical entries in the list and somtimes they show the identical episode title and channel but with a small offset (one or two minutes) for the start time.

Not sure if this is related to my setup having a twin tuner card or is this something that is going to be “improved” over the next releases?

Also I noticed that some entries in the search form seems to be persistent from previous searches. I’d rather see entries for start or end time cleared when starting a new search. Is there are setting for making these entries non-persistent.