D300 firmware update

[Harold Davis]

http://support.nikontech.com/cgi-bin/nikonusa.cfg/php/enduser/std_adp.php?p_faqid=14491&p_created=1202489124&p_sid=BGG3RdYi&p_accessibility=0&p_redirect=&p_lva=61&p_sp=cF9zcmNoPTEmcF9zb3J0X2J5PSZwX2dyaWRzb3J0PSZwX 3Jvd19jbnQ9MiwyJnBfcHJvZHM9MTksNDUzJnBfY2F0cz0xODY mcF9wdj0yLjQ1MyZwX2N2PTEuMTg2JnBfc2VhcmNoX3R5cGU9Y W5zd2Vycy5zZWFyY2hfbmwmcF9wYWdlPTE*&p_li=&p_topview=1

anyone know what i fixes or improves?

[George DeCamp]

It fixes some banding issue people had with long exposures on the D300.