Hi,
I asked for this a few months ago but it seems that it isn't that big of a priority for the developers.
The HUD does not reset when a new player joins a table. This means that a new player joining any table will inherit the stats of the person sitting there before them, effectively rendering the PT4 hud useless for players because you can never be certain if the session stats of a given player are even his own! This is a huge step back vs HM2, which should provide an incentive to fix this, because partypoker is a major site and growing. For example, I switched to HM2, despite loving PT4 since day 1, because I can't use it in game.
I would like to ask for the developers to reconsider how important this feature is.