Hi,
I think we may have already posted a ticket for this issue, but we can’t seem to find it. If posted before, I apologise.
As shown in the video, the mobile browser scrolls to the position of a tab being opened, then moves it to the top of the screen. Also, when loading a product page and the user immediately scrolls, the page tries to jump back to the top: (see private)
As per the suggestion I think your team already made (but unfortunately, we cannot find it anymore), we fumbled with these settings, but were unable to resolve the issue: https://imgur.com/yaV6RIG
Can you please have a look and see if your browser displays the same behaviour?