Update your configuration file for Alacritty alacritty.yml
key_bindings:
# (macOS Italian Logitech MX Keys)
- { key: Key2, mods: Alt, chars: "\x40" } # @
- { key: Key3, mods: Alt, chars: "\x23" } # #
- { key: Grave, mods: Alt, chars: "\x7E" } # ~
- { key: Key9, mods: Alt, chars: "\x60" } # `
- { key: LBracket, mods: Alt, chars: "\x5B" } # [
- { key: RBracket, mods: Alt, chars: "\x5D" } # ]
- { key: LBracket, mods: Alt|Shift, chars: "\x7B" } # {
- { key: RBracket, mods: Alt|Shift, chars: "\x7D" } # }