The outfit had hinted that the move was possible some months ago but it was only officially confirmed yesterday.
Ironically the move is designed to combat piracy. If game players can't play imported games they tend to chip their consoles, which in turn allows pirates to release illegal copies. Illegal games also run better on chipped consoles.
The move would also enable games makers to do world-wide launches of games, particularly as Blu-Ray will mean that multiple languages can be stored on each disk.
More here. µ