When scrolling a table horizontally, the headers are laggy compared to the table body. The header scrolling is both delayed compared to the body (body scrolls immediately with finger, headers are delayed) and janky (not smooth, low frame rate).
What device are you using?
MacBook Pro 2016
Safari Version 16.2
I see this issue all the time in Chrome Browser, and I have a very capable machine
Chrome Browser Version 111.0.5563.147 (Official Build) (64-bit) Processor AMD Ryzen 9 5900X 12-Core Processor 3.70 GHz Installed RAM 32.0 GB System type 64-bit operating system, x64-based processor Edition Windows 10 Pro Version 21H2 OS build 19044.2728 Experience Windows Feature Experience Pack 120.2212.4190.0\