If reports from WiiBrew are true (I have no reason to doubt, and therefore don’t really want to test…), System Menu 4.2 is likely the most proactive attack on Wii homebrew that Nintendo has released yet. The likely results are as follows – most of your homebrew will be deleted. The Homebrew Channel will be uninstalled. The Bannerbomb exploit no longer works. BootMii (as boot2) is overwritten. Preloader will not load. This is all do to a few technical changes – the System Menu now uses IOS70, earlier IOSes are modified, and boot2 is upgraded to boot2v4, the cause of strife to homebrew hopefuls on the so-called ‘LU64+’ machines. If your homebrew matters to you, best hold off on upgrading for a while.
