Karabiner Elements

Karabiner Elements (earlier was Karabiner, and even earlier was KeyRemap4MacBook) is powerful and stable keyboard customizer for macOS.

Features:

• Simple Modifications: Map normal keys to arbitrary key functions
• Complex Modifications: Map keys by complex rules. e.g., key to modifiers, modifiers+key to key, send key event if pressed alone, etc
• Function Keys: Map function keys to arbitrary key functions
• Devices: Apply modifications to specified keyboards only
• Profiles: Support the creation of multiple profiles that the user can switch between
• Modifier Flag Sync:Synchronize modifier flags across all connected keyboards
• Secure Keyboard Entry Support:Work well on Secure Keyboard Entry environment such as a password prompt, terminal with Secure Keyboard Entry, etc

• Fixed a key stuck issue which occurs when the key is released, and at the exact same moment Karabiner-Elements opens the device.
• Fixed a issue which Karabiner-Elements mistakes a remote user for a current console user if another user is logged in from Screen Sharing while console is used.
• Improved `XXX is ignored temporarily until YYY is pressed again` behavior.
• Added `Delay before open device` configuration into `Karabiner-Elements Preferences > Devices > Advanced` tab.
• Moved `Disable the built-in keyboard while one of the following selected devices is connected` configuration into `Karabiner-Elements Preferences > Devices > Advanced` tab.
• Added `Show key code in hexadecimal format` option into EventViewer.