IgxGrid with a lot of columns and rows does not have consitant scrolling

[mddragnev]

Description

Having a grid with a lot of rows and columns has broken scrolling behavior when scrolling fast.

Framework

Angular

Angular Version

latest

Ignite UI for Angular Version

latest

Component / Area

Grid

Browser

Chrome

Operating System

No response

Command Not Working

Steps to Reproduce

1. Open grid performance dev sample
2. Scroll with the scrollbar thumb down and up fast

Actual Result

The scrollbar thumb position goes to the top but does not show the first row. The grid state is desynced. This is happening because of the scroll throttle.

Screen.Recording.2026-08-05.at.16.57.30.mov

Expected Result

The grid should scroll correctly to the top.

Reproduction URL

No response

Attachments

No response