STR: - on Mac, open the attached html file in two adjacent tabs; - start scrolling on the first tab in using the touchpad; - stop scrolling and quickly switch to the other tab in using cmd+option+arrow (left or right). The pink bar in the second tab shows "Wheel" which means that some wheel events have received by the second tab even if they've been triggered in the first tab. FYI, this bug has been found in the pdf.js context (see bug 1503412), a workaround has been implemented but it'd be better to fix this issue instead.
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STR: - on Mac, open the attached html file in two adjacent tabs; - start scrolling on the first tab in using the touchpad; - stop scrolling and quickly switch to the other tab in using cmd+option+arrow (left or right). The pink bar in the second tab shows "Wheel" which means that some wheel events have received by the second tab even if they've been triggered in the first tab. FYI, this bug has been found in the pdf.js context (see bug 1503412), a workaround has been implemented but it'd be better to fix this issue instead. It works as expected in Chrome.
STR: - on Mac, open the attached html file in two adjacent tabs; - start scrolling on the first tab in using the touchpad; - stop scrolling and quickly switch to the other tab in using cmd+option+arrow (left or right). The pink bar in the second tab shows "Wheel" which means that some wheel events have been received by the second tab even if they've been triggered in the first tab. FYI, this bug has been found in the pdf.js context (see bug 1503412), a workaround has been implemented but it'd be better to fix this issue instead. It works as expected in Chrome.