After major app updates many devs find themselves releasing a follow up bug fix update. That is exactly what Foursquare is doing with their latest v5.0.1 release for BlackBerry smartphones. The new update includes bug fixes for the recently updated v5.0 which recently brought a new UI and GPS improvements. It also includes a new plugin support but I am not sure what that means.
Check out the updated Foursquare v5.0.1 in App World