"The latest version as well as a good tutorial can be found here. (this links to latest version, with Steveice's changes)
Changes has been made by Steveice so that nobody shoud experience a full brick again (i.e. the 3DS doesn't boot, even in safe mode). Thus, this version should be almost brick-proof.
Menuhax users will have to remove their extdata folders 00000082...
For everybody wondering whether or not it is safe to downgrade - Here is a statement from TuxSH
Changes has been made by Steveice so that nobody shoud experience a full brick again (i.e. the 3DS doesn't boot, even in safe mode). Thus, this version should be almost brick-proof.
Menuhax users will have to remove their extdata folders 00000082...
For everybody wondering whether or not it is safe to downgrade - Here is a statement from TuxSH