Nintendo 3DS team released a new firmware version-11.3.0-36 for New Nintendo 3DS, New Nintendo 3DS XL, Nintendo 3DS, Nintendo 3DS XL, Nintendo 2DS. From its official changelog, there is no big change for this new update.
Version 11.3.0-36U available via wireless Internet connection includes the following improvements:
Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience
Does sky3ds+ and sky3ds work with 3DS v11.3.0-36U? We have updated our 3DS console to v11.3.0-36 and test 3ds games with sky3d+ and sky3ds card. Afte testing, sky3ds+ and sky3ds works on 3DSv11.3.0-36.
Sky3ds+supports Nobunaga no Yabou 2 on 3DSv11.3.0-36
Sky3ds supports Cubic Ninja on 3DSv11.3.0-36
3DS homebrew exploits on 3DSv11.3.0 36
Mr. Smea says .hax might work on 3DS11.3. But do not update your 3DS firmware version until this is a confirmation about it.
Menuhax works with 3DSv11.3, that was the last known Home Menu vuln.
Fasthax is blocked by 3DS 11.3 while sounderhax works on 11.3