This is the system-version that ships with launch-day JPN New_3DS systems. The TMD HTTP Last-modified date for these titles is September 26, 2014.
Most of the system titles which are not New3DS specific, are from 8.1.0-18. When a New3DS version of a system-title is available, only the New3DS title is installed, the Old3DS version is not installed.
This launch system-version has title-versions specific to this launch system-version, for titles which aren't New3DS specific(and also titles from 9.0.0-20): CVer, 0004001B00018202, 0004001B00018102(same title-version as 9.0.0-20), NS CFA(same title-version as 9.0.0-20), Nintendo 3DS Camera(same title-version as 9.0.0-20), Download Play(same title-version as 9.0.0-20), Download Play(same title-version as 9.0.0-20), System Settings, ErrDisp(same title-version as 9.0.0-20), Home Menu, Camera applet(same title-version as 9.0.0-20), Instruction Manual applet(same title-version as 9.0.0-20), Game Notes applet(same title-version as 9.0.0-20), Friend List applet(same title-version as 9.0.0-20), Notifications applet, Miiverse applet(same title-version as 9.0.0-20), Software Keyboard applet(same title-version as 9.0.0-20), appletEd(same title-version as 9.0.0-20), PNOTE_AP, SNOTE_AP,(same title-version as 9.0.0-20), mint, extrapad, memolib, and error applet.
See Title_list for the full 8.1.0-0_New3DS title-listing, for titles which aren't New3DS-specific.
The system-transfer application is not installed with this system-version.
New3DS System Titles
New3DS versions of the SAFE_MODE system-modules were added, the only New3DS SAFE_MODE system-modules which were not added are: camera, cecd, MP, and NDM.
Besides the 3 new modules below, New3DS versions of the following native system-modules were added: camera, GSP, i2c, MCU, PTM, and spi.
The following 3 new sysmodules were added(not available for SAFE_MODE):
5 new applications for New3DS-only were added. See here regarding the new applications. Besides those applications, New3DS versions of the following applications were added: "Health and Safety Information" and Face Raiders.
The New3DS versions of the following SAFE_MODE applets were added: ErrDisp, error, and swkbd(Software Keyboard).
A New3DS version of NVer was added. Therefore, there could be future New3DS-only system-updates.
Note that the New3DS Internet Browser is not available on this system-version(spider and SKATER titles are not installed), it was added with this. Trying to launch the browser results in the system going to the system-update section under System Settings.
FIRM
New3DS versions of all 4 FIRM titles were added.
New3DS FIRM uses an additional crypto layer on the ARM9 FIRM section via a loader at the end of the ARM9 binary, see here.