return / control remapping with forked karabiner elements

gistfile1.txt

Via https://github.com/tekezo/Karabiner-Elements/pull/247#issuecomment-265033986

Download & install https://github.com/wwwjfy/Karabiner-Elements/releases/tag/0.90.83

To remap caps lock and return to control and return when pressed alone

Edit ~/.config/karabiner/karabiner.json to include

{
    "global": {
        "check_for_updates_on_startup": false,
        "show_in_menu_bar": true
    },
    "profiles": [
        {
            "devices": [],
            "fn_function_keys": {
                "f1": "display_brightness_decrement",
                "f10": "mute",
                "f11": "volume_decrement",
                "f12": "volume_increment",
                "f2": "display_brightness_increment",
                "f3": "mission_control",
                "f4": "launchpad",
                "f5": "illumination_decrement",
                "f6": "illumination_increment",
                "f7": "rewind",
                "f8": "play_or_pause",
                "f9": "fastforward"
            },
            "name": "Default profile",
            "selected": true,
            "simple_modifications": {
                "caps_lock": "left_control",
                "return_or_enter": "right_control"
            },
            "standalone_keys": {
                "caps_lock": "return_or_enter",
                "return_or_enter": "return_or_enter"
            },
            "virtual_hid_keyboard": {
                "caps_lock_delay_milliseconds": 150,
                "keyboard_type": "ansi",
                "standalone_keys_delay_milliseconds": 150
            }
        }
    ]
}