“4 Finger Tap” not working with “Action: F” ?

Device information: MacBook Air

Type of Mac: MacBook Air M3

macOS version: 26.5

BetterTouchTool version: 6.524

Additional information (e.g. crash logs, related issues, etc.):

Apps: Safari 26.5, Website: YouTube.com

Apps: Chrome 148.0.7778.179, Website: YouTube.com

Apps: IINA 1.3.5 Build 141

********** trackpad Case 1 **********

[Not working: (!!!???) ]

4 Finger Tap

Action: F

Notes: YouTube plays in full screen

[Operating normally: ]

4 Finger Click

Action: Enter Fullscreen (If Supported)

[Operating normally: ]

(Press the F key on the keyboard)

********** trackpad Case 2 **********

[Operating normally: ]

Finger Tap

Action: Enter Fullscreen (If Supported)

[Operating normally: ]

4 Finger Click

Action: F

Notes: YouTube plays in full screen

[Operating normally: ]

(Press the F key on the keyboard)