> But in older browsers that don't support ... I think, regrettably, that 2023 might be roughly the time where the "old browser" support consideration is final

> But in older browsers that don't support ... I think, regrettably, that 2023 might be roughly the time where the "old browser" support consideration is finally put to bed. For example, you no doubt have to perform all sorts of code contortions to make things work in old Internet Exploder. It means you have to use old coding methods compared to things that are quicker and easier to implement and get working cross-browser & cross-platform in modern CSS. It also means you are writing more LOC, which means more scope for weird little bugs and time-consuming troubleshooting. Secondly (and perhaps more importantly), making things work in old browsers means you are removing further incentive for people to upgrade. Given the increasing prevalence of browser-based attacks where people can be pwned simply by visiting a website that contains "specially crafted code", I think the quicker everyone gets onto modern browsers the better...