The snowstorm occasionally lags quite a bit. It lags a LOT on the new reply page and makes typing in the reply input textbox rather unresponsive. This started recently, maybe a day or two ago?
However, this only occurs when the page is scrolled up enough that the sidebar stays in its default position. When the page is scrolled down enough that the sidebar detaches and scrolls with the window, the snowstorm doesn't lag at all.
Browser: Firefox 64.0 (64-bit)
OS: Windows 10
Scheme: [C3] Super Mario Odyssey - Menu right
However, this only occurs when the page is scrolled up enough that the sidebar stays in its default position. When the page is scrolled down enough that the sidebar detaches and scrolls with the window, the snowstorm doesn't lag at all.
Browser: Firefox 64.0 (64-bit)
OS: Windows 10
Scheme: [C3] Super Mario Odyssey - Menu right