It seems unlikely that Chrome will get tree style tabs any time soon, despite some popular interest: http://code.google.com/p/chromium/issues/detail?id=99332&c

It seems unlikely that Chrome will get tree style tabs any time soon, despite some popular interest: http://code.google.com/p/chromium/issues/detail?id=99332&can=1&q=%22side%20tabs%22&colspec=ID%20Stars%20Pri%20Area%20Feature%20Type%20Status%20Summary%20Modified%20Owner%20Mstone%20OS http://code.google.com/p/chromium/issues/detail?id=99332&#38... "If I stop using the dev version, and switch to beta or (shudder) released, and turn off updating, will that give me the tabs back, or is it too late?"