Merely weeks after Samsung rolled out its v2.1 firmware update to enable HD Netflix streaming on the BD-P2500 / BD-P2550 Blu-ray players, in flies an update just before the dawn of 2009. As of right now, users can surf on over (courtesy of the read links provided below) in order to download version 2.3, which officially acts to "improve playback compatibility of some movie titles." Fire up the download and give it a go, and feel free to report back with any other, unnamed changes that you discover.
Read - BD-P2500 download
Read - BD-P2550 download