[kk_cz]

AFAIK there is currently no extension that would support rocker gestures.

Also mouse gestures now have the same annoying "feature" they've always had in Chrome: they don't work in "system" tabs (think about:preferences).

So you can't use mouse gesture to quickly go through opened tabs if at least one of them is the "system" one, the navigation simply dies there.

[codelike]

I've tried out the Foxy Gestures add-on in the meantime. It turns out it has rocker gestures (called 'chord gestures' in the 'Other Gestures' setup tab) and besides the drawback you mentioned (doesn't work in system tabs) it works well so far.

[kk_cz]

That's great news, thank you.

I don't think they're ever going to fix the "system tabs" issue, since it's supposedly a "feature", but at least some good news. :)