The up and down arrows not working correctly in Safari

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The up and down arrows not working correctly in Safari

M1 Mac Mini running Monterey 12.6.5 - Safari 16.4.1

Problem is with trying to use the up and down arrows on a wired keyboard in Safari.

The expected behavior is that every time I press the down (or up) arrow, the web page would move down (or up) 1 line.

Actual behavior is pressing the down (or up) arrow leads to continuous scrolling that ends when it reaches the bottom (top) of the web page or if override by using scroll wheel on mouse.

Arrow keys work as expected in Firefox and elsewhere on Mac.

2nd keyboard behaves identically.

The problem does not exist when I log in as different user.

Any idea on how to fix?

Mac mini (M1, 2020)

Posted on Apr 22, 2023 6:13 AM

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Answer 1

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sfmitch Author

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May 29, 2023 7:46 AM in response to sfmitch

Got an answer on Stack Exchange / Ask Different from user Willie Abrams and it fixed issue for me.

It's a dumb change they made in Safari 16.4.

Give Terminal Full Disk Access in the System Settings -> Privacy & Security panel.
Quit Safari.
Open Terminal and enter: defaults write com.apple.Safari IncludeInternalDebugMenu -bool true
Open Safari. Click on Debug menu, WebKit Internal features, and UNCHECK EventHandler driven smooth keyboard scrolling.

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Answer 2

sfmitch Author

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Apr 23, 2023 9:26 AM in response to sfmitch

quick update - the up & down arrows work properly in Reader View

don't know if that offers any clues.

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The up and down arrows not working correctly in Safari

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