Release /
Karabiner-Elements v15.4.0
Adjust mouse movement and scrolling independently for each device.
Before you upgrade to v15.4.0
2 to fixTouch ID's implicit conversion to the Lock key now works while modifiers are held.
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EventViewer can now pause and resume event monitoring.
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Expert settings exposes filtering of noisy USB Nintendo Pro Controller events and modifier-first ordering of same-timestamp events; both default to on.
Build with macOS 15 or later and Xcode 16.3 or later; the prior documented minimums were macOS 13 and Xcode 15.0.1.
Use CMake 3.24 or later when building the CMake-based appendix utilities.
What changed in v15.4.0
Devices settings adds movement and wheel multipliers; complex rules gain conditional outputs and application-history selection.
Also: Also adds headset input, conditional output events and controls for noisy or simultaneous input.
Download the v15.4.0 macOS package from this release.
New things you can do
Devices settings adds `XY movement multiplier` and `Wheels multiplier`.
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Headset buttons are now supported.
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The `to` definition now accepts `conditions`.
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`open_application.frontmost_application_history_index` selects a previous application.
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Devices settings adds `Ignore vendor events`.
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Adds `ac_zoom_in`, `ac_zoom_out`, `system_sleep`, `stop`, `bass_boost`, `loudness`, `bass_increment`, `bass_decrement` and `ac_search` event codes.
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Fixed and improved
Mouse-key movements no longer suffer from the reported overflow issue.
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Using media keys with standard F1–F12 mode enabled no longer unintentionally taps `fn`.
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Seeded by 