10 May 11 Nintendo released a new system update, System Menu 1.4.2, globally. This blocks flash cards, and blocks copying all current and future DSiWare exploits to "internal memory".(A final Sudokuhax update will be released at same time as the final DSiWareHax mentioned in that post)
24 March 11 An updated USA Sudoku was released, which fixed all Sudoku string bugs. On roughly March 30 2011, EUR Sudoku was updated.
28 January 11 19 and 24 hours after the Sudokuhax release Nintendo removed EA's Sudoku from the EUR/AU and USA DSi Shop.
27 January 11 Team Twiizers released DSiWare exploit Sudokuhax, loads full DSi-mode homebrew from SD card.
14 January 11 The DSi Common key has been disclosed to the public. Please do not post it here.
25 August 10 Dave J Murphy (WinterMute) released DSi Link, allowing running larger DSi mode homebrew binaries 
9 February 10 Nintendo has released an update for the DSi System. The DSi Nintendo Zone client was updated to version 3.0, but the system still runs on System Menu 1.4. No other changes have been identified.
3 August 09 Nintendo has released System Menu 1.4 in every supported country.
2 August 09 The Drunken Coders have released the exploit they are using to run unsigned code in DSi mode.
9 July 09: Team Twiizers successfully ran DSi-Mode Homebrew. More details can be found over at HackMii
25 June 09: Voting has begun for the DSiBrew logo contest! Please cast your vote here.
8 June 09: The DSiBrew logo contest is now closed to submissions.