http://wiibrew.org/wiki/System_Menu_3.4
Version 3.4 of the System Menu was announced on November 17, 2008, by Nintendo sending notices to the Wii Message Board. The announcement lists these changes:
* USB keyboard support in Mii Channel
* Enhanced parental controls
*[b]Twilight Hack version 0.1beta1 cannot be copied to the console.[/b]
Two other changes have been noted:
* Improved SD card read/write speed
* Improved disc reading
Update appears to include IOS50 (used by menu) and IOS254 (a copy of IOS9, to block PatchMii).
[quote]Nintendo has updated the Wii Network Service Privacy Policy along side the update. The most notable change details how your Wii may download updates without your permission or even without notifying you first.
Old Policy
[i]“To ensure that your Wii Console is operating properly and efficiently, we may download updates, patches, upgrades and similar software to your Wii Console. In addition, we may disable unauthorized or illegal software that has been placed on your Wii Console without notifying you where necessary, in order to comply with applicable laws, assist law enforcement, protect us and our customers, and prevent the use and distribution of software obtained through improper channels.”
New Policy
“We may without notifying you, download updates, patches, upgrades and similar software to your Wii Console and may disable unauthorized or illegal software placed on your Wii Console to ensure that your Wii Console is operating properly and efficiently, comply with applicable laws, assist law enforcement, protect us and our customers, or prevent the use and distribution of software obtained through improper channels.” (editor’s emphasis) [/quote][/i]
It’s also said they now monitor what you do online.