The Home Menu is the heart of the Nintendo 3DS. From there one can start games, channels, and manage contacts and settings. It is launched first, and is always running in the background in 3DS-mode except when using System Settings.

Versions

Version Title version Release date Changelog CDN Availability CDN Post Date
1.0.0-0 0 February 26, 2011 Shipped with 3DS on launch Available February 18, 2011
1.1.0-0 ? ? Update from some game cards Unavailable N/A
1.1.0-1 0 February ?, 2011 General bug fixes

Added 3D Video title to menu. ("For a Limited Time Only")

Available March 1, 2011
2.0.0-2 1029 June 6/7, 2011 From the update notification:(DSiWare management isn't mentioned in the notice but is available) Nintendo eShop added, web browser available, System Transfer added. Full DSiWare data management available. Automatic system updates added. Available June 6, 2011
2.1.0-1 ? ? Found as an update on some game cards. This firmware appears to build on 2.0.0-2 as if it is used to upgrade a 3DS from 1.1.0-1 all of the features introduced in 2.0.0-2 are not present. Despite the 3DS being on a higher version than 2.0.0-2, the Internet Browser is stubbed, and the E-Shop is not present and the Demonstration Video is still present. However the revised Home Menu, DSiWare Managment and other features found in firmware 2.0.0-2 are present in this firmware. Unavailable ?
2.1.0-3 2049 June 15, 2011 Fixes the Ridge Racer freeze. Available June 15, 2011
2.1.0-4 2049 July 25, 2011 System stability improvements and other adjustments. Available ?
2.2.0-4 ? November 6, 2011 Improve the arrangement of Friend List. Update from some game cards such as Mario 3D Land(JPN). Unavailable ?
3.0.0-5 4111 December 7, 2011 Added 3D video recording to the camera title, updated Mii Streetpass Plaza, downloaded 3DS titles transfer between systems, improved eShop, home menu QR code scanning with QR codes containing URLs. Nintendo Zone is now always accessible, 3D video streaming support was added to NZone. Available December 7, 2011
3.0.0-6 4111 December 21, 2011 Only StreetPass Mii Plaza and the NVer title were updated. From Nintendo's release notes: "System stability improvements and other adjustments". Available December 21, 2011
4.0.0-7 5131 April 24, 2012 Add folders to Home Menu, game patching added, buy more expensive games than 1000 yen.(JPN) Available April 24, 2012
4.1.0-8 5131 May 14, 2012 From changelog: "improvements to overall system stability and other minor adjustments". Once updated to 4.1.0-8, the parental-controls PIN is no longer required for future system updates. Available May 14, 2012


See Also

http://www.nintendo.com/consumer/systems/3ds/en_na/menu_update.jsp