We wrote a guide for updating Luma3DS to support system version 11.14 : r/3dshacks
Luma3DS failed to apply 1 firm patch help!! | GBAtemp.net - The Independent Video Game Community
Nintendo 3DS Releases: Luma3DS 10.0 with Network Time Client, Blue Light Filters and more; 3DS Homebrew Menu 2.1.0 and TWiLightMenu++ 8.5.0 released and 3DS Shell updated to version 4.3.1 - Wololo.net
An Exception Occurred" error when loading Smash for 3DS · Issue #493 · LumaTeam/Luma3DS · GitHub