On the changelog.cursor.com site, there is an element that is causing an excessive amount of CPU usage.
The element in question is the SVG stars in the background:
<svg viewBox="0 0 881 211" fill="white" aria-hidden="true" class="pointer-events-none absolute -right-44 top-14 w-[55.0625rem] origin-top-right rotate-[30deg] overflow-visible opacity-70">