Microsoft is fixing Chromium’s pinch-zoom on Windows 10

Last year Microsoft announced that it plans to become a significant contributor to the Chromium project. The firm’s contributions could benefit all browsers like new Edge and Google Chrome on Windows 10 and even other platforms.

In addition to improvements for mouse scrolling performance, Microsoft is now also looking into Chromium’s weird pinch-zoom behaviour on some Windows 10 devices such as the Surface Pro and Surface Book.

According to a months-old bug post, users cannot prevent pinch-zoom gesture on a Windows 10 device like Surface Pro with the touchpad. The bug can be reproduced on some webpages when you try to pinch to zoom with two fingers, and move a finger away from the touchpad centre point and still have one finger on the location.

As a user explains, you won’t be able to prevent pinch-zoom gesture in the following case:

  • Place cursor over the “Real prevent default handler” scroller
  • Do a fast touchpad fling (note, the scroller won’t actually scroll).
  • Immediately perform a pinch zoom gesture.

According to a Microsoft engineer, it’s easier to reproduce this behaviour on Surface devices, though it could be also experienced on MacBook 2016 and MacBoook Pro 2018.

“It’s hard to reproduce intentionally. During work, a bug occurs 5 times per day. Also error is not reproduced on every computer. I’m facing it on MacBook 2016 and MacBook Pro 2018 13 inch sans touch bar,” the engineer noted. “According to my subjective feelings, it’s easier to reproduce on Surface Book Pro”.

*Read the rest of the article from: Windows Latest

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