Don't try to use ⌘ ⇧ ⌥ ⌃ . for a macro Hot Key

[JMichaelTX]

@peternlewis

Starting with macOS Mojave, you can't override system shortcuts.

Which shortcuts?

@peternlewis, I finally found the statement you made about this:

@peternlewis

Also, simulated keystrokes that are intended to trigger hot keys in the system or other applications do not work in Mojave unless they are letters (optionally with modifiers). ==Simulated arrow keys or function keys do not trigger hot keys due to bugs in Mojave==.