User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:45.0) Gecko/20100101 Firefox/45.0 Build ID: 20160315153207 Steps to reproduce: 1. visit very long page(height or width is over 150000px?) 2. scroll to bottom of page(or right end) 3. autoscroll to top very slowly(or left end) Actual results: noise appears at the edge of window and scroll awkwardly Expected results: scroll smoothly
I don't know exactly what the best questions to ask here are, at least a screenshot would be good!
Can you provide a screenshot of the noise?
Yeah, that seems likely.
Created attachment 8736617 [details] screenshot you can look noise at the bottom of image(height is 1px)