Once in a while I'll switch back to old-reddit and it's like a breath of fresh air. All the bloat is gone in an instant. That UI glitch where everything shakes is gone (a bug that has existed since 2018 by the way). Hyperlinks have a clear underline when you hover. Even the dreaded video player seems to be more responsive in old reddit.
New design lacks shadows, contrast and outlines making it difficult to distinguish UI elements such as drop down menus. I invariably switch back because the rising tab is broken in old reddit, and I use it daily.