Tomek

Thanks for your reply @RikkiGibson! It's good to hear that you guys care and thanks for providing the tools in the first place!

Hi, Thanks for your reply. The way I'm using the DataGrid is to render a matrix of results with ~5000 rows and 30-100 column. There is maybe ~1500 cells rendered...

Here is a live example: [link](https://codesandbox.io/p/sandbox/friendly-montalcini-yfkfvd?layout=%257B%2522sidebarPanel%2522%253A%2522EXPLORER%2522%252C%2522rootPanelGroup%2522%253A%257B%2522direction%2522%253A%2522horizontal%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522id%2522%253A%2522ROOT_LAYOUT%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522UNKNOWN%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522clvp9gzpy00063b6n59f3j5c2%2522%252C%2522sizes%2522%253A%255B100%252C0%255D%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522EDITOR%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522EDITOR%2522%252C%2522id%2522%253A%2522clvp9gzpy00023b6n5loszfba%2522%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522direction%2522%253A%2522horizontal%2522%252C%2522id%2522%253A%2522SHELLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522SHELLS%2522%252C%2522id%2522%253A%2522clvp9gzpy00033b6nw5881dzl%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%257D%252C%257B%2522type%2522%253A%2522PANEL_GROUP%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522direction%2522%253A%2522vertical%2522%252C%2522id%2522%253A%2522DEVTOOLS%2522%252C%2522panels%2522%253A%255B%257B%2522type%2522%253A%2522PANEL%2522%252C%2522contentType%2522%253A%2522DEVTOOLS%2522%252C%2522id%2522%253A%2522clvp9gzpy00053b6ntga5znak%2522%257D%255D%252C%2522sizes%2522%253A%255B100%255D%257D%255D%252C%2522sizes%2522%253A%255B50%252C50%255D%257D%252C%2522tabbedPanels%2522%253A%257B%2522clvp9gzpy00023b6n5loszfba%2522%253A%257B%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clvp9gzpy00013b6nr8ugrsg8%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522FILE%2522%252C%2522filepath%2522%253A%2522%252Fsrc%252Findex.tsx%2522%252C%2522state%2522%253A%2522IDLE%2522%257D%255D%252C%2522id%2522%253A%2522clvp9gzpy00023b6n5loszfba%2522%252C%2522activeTabId%2522%253A%2522clvp9gzpy00013b6nr8ugrsg8%2522%257D%252C%2522clvp9gzpy00053b6ntga5znak%2522%253A%257B%2522tabs%2522%253A%255B%257B%2522id%2522%253A%2522clvp9gzpy00043b6nlv4hblmc%2522%252C%2522mode%2522%253A%2522permanent%2522%252C%2522type%2522%253A%2522UNASSIGNED_PORT%2522%252C%2522port%2522%253A0%252C%2522path%2522%253A%2522%252F%2522%257D%255D%252C%2522id%2522%253A%2522clvp9gzpy00053b6ntga5znak%2522%252C%2522activeTabId%2522%253A%2522clvp9gzpy00043b6nlv4hblmc%2522%257D%252C%2522clvp9gzpy00033b6nw5881dzl%2522%253A%257B%2522tabs%2522%253A%255B%255D%252C%2522id%2522%253A%2522clvp9gzpy00033b6nw5881dzl%2522%257D%257D%252C%2522showDevtools%2522%253Atrue%252C%2522showShells%2522%253Afalse%252C%2522showSidebar%2522%253Atrue%252C%2522sidebarPanelSize%2522%253A15%257D) Try hovering across the header titles and see the highlighted column lagging behind. It's not the case for the highlighted row. Cell values increment...

Oh, ok 🤦‍♂️ Yes, it works as expected. Thank you.