Enabling pinch zoom on a touchscreen

Ni! I’d like to have a plot zoom in and out with pinching on a touchscreen.

According to https://docs.bokeh.org/en/latest/docs/user_guide/interaction/tools.html#scroll-pinch-tools, wheelzoomtool is supposed to enable pinching, but while scrolling zooms fine pinching has no effect other than the browser’s default action of zooming the viewport.

Am I missing something?

Best!

Seems like a recent regression. Please open a GitHub Issue

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Thanks, will open.

Filing the issue I tested on a different browser I have installed (Gnome Web, i.e. WebKitGTK 2.36.8) and the result was different but also not the expected behavior. All details are in the issue:

Thanks!

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