Update: Looks like it fixes itself after a little bit. I'm wondering if Hover Zoom is to blame as it was on in incognito for me but I can't reproduce now so I don't know...
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OS X 10.10
Chrome 41.0.2272.89 (64-bit)
It's happening to me as well. I thought it may be Privacy Badger blocking some JS or something stupid like that but after trying in incognito mode I can confirm it's probably not a plugin causing it (The plugins still being loading in incognito mode are: 1Pass, EditThisCookie, HoverZoom, JsonView, and RES). In Chrome Canary (43.0.2330.4 and 43.0.2331.0 tested) scrolling seems to work fine. It also works fine in FF (34.0.5 and 36.0.1).
