Closed Bug 1886825 Opened 8 months ago Closed 5 months ago

Scrollbar is shown twice at openai.com

Categories

(Web Compatibility :: Site Reports, defect, P3)

Firefox 126
Desktop
Windows 10

Tracking

(firefox124 affected, firefox126 affected)

RESOLVED WORKSFORME
Tracking Status
firefox124 --- affected
firefox126 --- affected

People

(Reporter: railioaie, Unassigned)

References

()

Details

(Keywords: webcompat:needs-diagnosis)

User Story

platform:windows
impact:minor-visual
affects:all

Attachments

(3 files)

Environment:
Operating System: Windows 10 PRO x64
Firefox version: Firefox Nightly 126.0a1 (2024-03-21) (64-bit)

Preconditions:
Clean profile

Steps to reproduce:

  1. Navigate to: https://platform.openai.com/docs/overview
  2. Observe the scroll bar

Expected Behavior:
The scroll bar should be displayed once

Actual Behavior:
The scrollbar appears two times

Notes:

  • Reproducible regardless of the status of ETP
  • Reproducible on the latest build of Firefox Nightly and Release
  • Works as expected using Chrome
  • Attachment provided
  • Issue found during WebCompat team [Top100] websites testing

Hi Tom, could you please try reproducing this? I can't reproduce on my machine.

Flags: needinfo?(twisniewski)
Severity: -- → S4
User Story: (updated)
Priority: -- → P3

(In reply to Ksenia Berezina [:ksenia] from comment #1)

I can't reproduce on my machine.

I can't reproduce either, FWIW (in Firefox Nightly on Linux, Windows 10, or Windows 11). Reporter, can you still repro?

(Note: I can artificially cause something like the issue shown in the screencast if I use devtools to increase the height of <div id="root"> in the DOM -- that makes it trigger a scrollbar in the top-level viewport, separate from its own intended scrollbar. This happens in Firefox as well as Chrome, and it's to-be-expected. Maybe when this bug was reported, the site had a subtle issue where that element occasionally was too tall in some cases, only in Firefox, for some reason?)

Flags: needinfo?(railioaie)

Hi Daniel. Yes, still reproducible for me. I also asked another colleague to check and had the same behavior on his laptop.

Flags: needinfo?(railioaie)
Attached image Screenshot_12.png

Does this seem to depend on the pixel scaling level (i.e. is it High-DPI-dependent), by any chance?

In particular, if you go to this settings menu:
https://www.digitaltrends.com/wp-content/uploads/2021/01/windows-10-scale-and-layout-setting.jpg

...what's the percentage scale that shows up, on your machine that reproduces the issue? And does the bug go away if you change it to 100% and restart Firefox? (if it's currently something non-100%)

Flags: needinfo?(railioaie)

Hi, it's not reproducible anymore.
I've retested it now.
The pixel scaling level is 125%(recommended) on my laptop. I've never changed that.

Flags: needinfo?(railioaie)
Attached image Screenshot_90.png

(In reply to railioaie from comment #6)

Hi, it's not reproducible anymore.

Ah, they must have fixed the site I suppose? Let's close as WORKSFORME then; we can investigate more if it repro's again.

The pixel scaling level is 125%(recommended) on my laptop. I've never changed that.

Thanks for checking. (Note that the default/recommended scaling value does vary between machines, depending on your display resolution -- so it is still a piece of user-specific configuration that can produce different outcomes, even when it's not something that's ever been touched.)

Status: NEW → RESOLVED
Closed: 5 months ago
Flags: needinfo?(twisniewski)
Resolution: --- → WORKSFORME
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