Touchmove event requested to be made passive

Have an Ionic 1 app. Using swipe left/right. They work.

However in the Chrome debugger the below error message is occasionally displayed:

Handling of ‘touchmove’ input event was delayed for 128 ms due to main thread being busy. Consider marking event handler as ‘passive’ to make the page more responsive.

Cannot find in searching Ionic and Angular a solution to this issue. i.e. an example of how to make in an Ionic app the event handler passive.

If anyone can reference an Ionic example or suggest a solution it would be appreciated. Thanks in advance.

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I’m having the same problem.