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I fixed this problem by redirecting fnfn (change input source) to lftcntrl+spcbrLeft Ctrl+Space (previous input source) through a complex rule for Karabiner-Elements. This fix involves a 3rd party app, but I am not sure whether it is possible to fix this problem without such apps. The key for changing the input source remains the same.

Note that in the KeyboardKeyboard section of System PreferencesSystem Preferences the fnfn(globe) should be put to "Do Nothing" in Keyboardthe Keyboard tab and the previous input source shortcut to lftcntrl+spcbrLeft Ctrl+Space in HotkeysHotkeys tab. The

The complex rule was added to the app through the karabiner.json file in the .config folder. The rule is:{ "description":"fn -> previous input source", "manipulators":[ { "from":{ "key_code":"fn" }, "to":[ { "key_code":"fn" } ], "to_if_alone":[ { "key_code":"spacebar", "modifiers":[ "left_control" ] } ], "type":"basic" } ] }

`{ "description":"fn -> previous input source", "manipulators":[ { "from":{ "key_code":"fn" }, "to":[ { "key_code":"fn" } ], "to_if_alone":[ { "key_code":"spacebar", "modifiers":[ "left_control" ] } ], "type":"basic" } ] }` 

I fixed this problem by redirecting fn (change input source) to lftcntrl+spcbr (previous input source) through complex rule for Karabiner-Elements. This fix involves a 3rd party app, but I am not sure whether it is possible to fix this problem without such apps. The key for changing the input source remains the same.

Note that in the Keyboard section of System Preferences the fn(globe) should be put to "Do Nothing" in Keyboard tab and the previous input source shortcut to lftcntrl+spcbr in Hotkeys tab. The complex rule was added to the app through the karabiner.json file in the .config folder. The rule is:{ "description":"fn -> previous input source", "manipulators":[ { "from":{ "key_code":"fn" }, "to":[ { "key_code":"fn" } ], "to_if_alone":[ { "key_code":"spacebar", "modifiers":[ "left_control" ] } ], "type":"basic" } ] }

I fixed this problem by redirecting fn (change input source) to Left Ctrl+Space (previous input source) through a complex rule for Karabiner-Elements. This fix involves a 3rd party app, but I am not sure whether it is possible to fix this problem without such apps. The key for changing the input source remains the same.

Note that in the Keyboard section of System Preferences the fn(globe) should be put to "Do Nothing" in the Keyboard tab and the previous input source shortcut to Left Ctrl+Space in Hotkeys tab.

The complex rule was added to the app through the karabiner.json file in the .config folder. The rule is:

`{ "description":"fn -> previous input source", "manipulators":[ { "from":{ "key_code":"fn" }, "to":[ { "key_code":"fn" } ], "to_if_alone":[ { "key_code":"spacebar", "modifiers":[ "left_control" ] } ], "type":"basic" } ] }` 
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I fixed this problem by redirecting fn (change input source) to lftcntrl+spcbr (previous input source) through complex rule for Karabiner-Elements. This fix involves a 3rd party app, but I am not sure whether it is possible to fix this problem without such apps. The key for changing the input source remains the same.

Note that in the Keyboard section of System Preferences the fn(globe) should be put to "Do Nothing" in Keyboard tab and the previous input source shortcut to lftcntrl+spcbr in Hotkeys tab. The complex rule was added to the app through the karabiner.json file in the .config folder. The rule is:{ "description":"fn -> previous input source", "manipulators":[ { "from":{ "key_code":"fn" }, "to":[ { "key_code":"fn" } ], "to_if_alone":[ { "key_code":"spacebar", "modifiers":[ "left_control" ] } ], "type":"basic" } ] }