tenative title, wtf???

Nintendo of Europe released there revised release date's in which twilight princess is listed as a tenative title, when did this happen i ask? perhaps the Wii and gamecube versions of the game will be given seperate names to distingwish between them? link

Nintendo DS Software
Big Brain Academy (Nintendo)	7 July 2006
Electroplankton (Nintendo)	7 July 2006
42 All-Time Classics (Nintendo)	29 Sep 2006
Nintendo DS Browser (Nintendo)	6 Oct 2006
Sudoku Master (Nintendo) (tentative name)	27 Oct 2006
Actionloop (Nintendo)	27 Oct 2006
Pokémon Mystery Dungeon: Blue Rescue Team (Nintendo)	10 Nov 2006
Mario Slam Basketball (Nintendo)	10 Nov 2006
Hotel Dusk: Room 215 (Nintendo) (tentative name)	24 Nov 2006
Yoshi’s Island 2 (Nintendo) (tentative name)	1 Dec 2006
Harvest Moon DS (Rising Star Games/Nintendo)	Q4 2006
Game Boy Advance Software
Pokémon Mystery Dungeon: Red Rescue Team	10 Nov 2006
Nintendo GameCube Software
Harvest Moon: Magical Melody (Rising Star Games/Nintendo)	Q4 2006
The Legend of Zelda: Twilight Princess (Nintendo) (tentative name)	Q4 2006