Hey! i’m on a latin distribution keyboard, and i can’t type @ or \ in Atom. When i try to write, it nothing happens. Also with altgr+q or when i try to do it with numbers, alt+64 just change to other tabs and then put the at in the 4 tab, that never happen in other text editor. i don’t know what is the issue.
Regarding AltGr, see the FAQ:
Regarding entering characters using the numeric keypad on Windows, this is a known issue: