Key handling on macOS with QMK keyboard (ErgoDox EZ)

[Leandros]

With Ghostty, some of my keys don't work correctly in (works in iTerm2, Alacritty, WezTerm, etc.).

For example, I have the braces {/} bound on a modifier (where normal keyboard layouts would have caps-lock) and d and f. In all other programs, the layout correctly produces the desired characters.

However, in Ghostty the keys produce an odd escape sequence.

Here, I press {}{} in Ghostty with cat -vte:

The same thing in WezTerm:

To use with my keyboard, I use this macOS layout which disables Deadkeys: https://github.com/Leandros/osx-keyboard-layout-german-no-deadkeys (however, it should not be related).

When I'm looking at Karabiner EventViewer I can see that pressing the same keys produces the following key codes:

[
  {
    "type": "down",
    "name": {"key_code":"right_option"},
    "usagePage": "7 (0x0007)",
    "usage": "230 (0x00e6)",
    "misc": "flags right_option"
  },
  {
    "type": "down",
    "name": {"key_code":"8"},
    "usagePage": "7 (0x0007)",
    "usage": "37 (0x0025)",
    "misc": "flags right_option"
  },
  {
    "type": "up",
    "name": {"key_code":"8"},
    "usagePage": "7 (0x0007)",
    "usage": "37 (0x0025)",
    "misc": "flags right_option"
  },
  {
    "type": "up",
    "name": {"key_code":"right_option"},
    "usagePage": "7 (0x0007)",
    "usage": "230 (0x00e6)",
    "misc": ""
  },
  {
    "type": "down",
    "name": {"key_code":"right_option"},
    "usagePage": "7 (0x0007)",
    "usage": "230 (0x00e6)",
    "misc": "flags right_option"
  },
  {
    "type": "down",
    "name": {"key_code":"9"},
    "usagePage": "7 (0x0007)",
    "usage": "38 (0x0026)",
    "misc": "flags right_option"
  },
  {
    "type": "up",
    "name": {"key_code":"9"},
    "usagePage": "7 (0x0007)",
    "usage": "38 (0x0026)",
    "misc": "flags right_option"
  },
  {
    "type": "up",
    "name": {"key_code":"right_option"},
    "usagePage": "7 (0x0007)",
    "usage": "230 (0x00e6)",
    "misc": ""
  }
]