Add a new bookmarklet in Chrome called "Zap History". For the URL, enter the following:
javascript:(function()%7Bwindow.open(location.href.split("%2Fapp%2F")%5B0%5D %2B "%2Fapp%2Fhistory%3Fpage%3D1%26root_id%3D" %2B location.href.split("%2Feditor%2F")%5B1%5D.split("%2F")%5B0%5D%2C "_blank")%7D)()```
Now, when editing a Zap in Zapier, you can click the Bookmarklet to go directly to the Zap's History: