Wasabi has released a firmware upgrade, 3.0 beta, for all versions of the Wasabi modchip (http://www.wasabi.net.cn/downloads.html):
From the README.TXT file included in its RAR archive:
WASABI DVD UPGRADE AND CONFIG DISC 3.0 BETA
What's new in 3.0 ?
+ Adds BCA fix for games such as NSMB