User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; WOW64; en-US; rv:1.9.3a5pre) Gecko/20100504 Minefield/3.7a5pre Firefox/3.6 Build Identifier: 20100504040059 Scrolling at the given URL is extremely slow. Memory appears to be leaking as you scroll. Reproducible: Always Steps to Reproduce: 1. Go to https://launchpad.net/ubuntu/+bugs 2. Scroll up/down 3. Actual Results: scrolling is extremely slow and choppy with high memory usage. Expected Results: Smooth scrolling with minimal memory usage.