[Webkit-unassigned] [Bug 203110] Broken rendering for horizontally scrolled element started with Safari iOS 13.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203110

--- Comment #2 from Flavio <flaviop at google.com> ---
We created a testcase to better isolate this.
See repro steps in the inline comment.
https://jsbin.com/hivijalero/1/edit?html,output

In particular, we identified that the bug where the horizontal carousel is scrolled back to its initial position only occurs after the page is scrolled vertically. In addition, we verified this is unrelated to history events, but simply to hiding/showing the carousel: adding/removing "display: none" is enough to simulate the effect.

To reproduce:
1) Scroll the carousel horizontally.
2) Hide and re-show the carousel.
3) Scroll the page down vertically to see the flash + carousel snapping to initial position.

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