1910072 - The x.com right side panel jitters when scrolling down on tablets

Status: NEW

(Firefox for Android :: Browser Engine, defect)

Description

[Delia Pop (Android QA)]

Attachment: media_20240726_123013_1490181506370902007.mp4

Steps to reproduce

1. Go to x.com and sign in.
2. Scroll down on the main feed.
3. Observe the <country> trends panel.

Expected behavior

The right side panel (with the "You might like" or the <country> trends sections if signed in) remains static while scrolling, without visual defects.

Actual behavior

The x.com right side panel (with the "You might like" or the <country> trends sections if signed in) panel jitters when scrolling down on tablet devices.

Device information

• Firefox version: Nightly 130.0a1 from 07/26, Beta 129.0b8, RC 128.0.3
• Android device model/ OS version:: only tablet devices, Samsung Tab S8 Ultra 5G (Android 14), Lenovo Yoga Tab 11 (Android 12)

Any additional information?

Not reproducible on phone devices.
Not reproducible with Chrome.
Reproducible with Focus browser as well.